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MAX2321TIN/a236avaiAdjustable, High-Linearity, SiGe, Dual-Band, LNA/Mixer ICs


MAX2321 ,Adjustable, High-Linearity, SiGe, Dual-Band, LNA/Mixer ICsApplicationsCDMA/TDMA/PDC/WCDMA/GSM Cellular Phones Pin ConfigurationsSingle/Dual/Triple-Mode Phone ..
MAX2321EUP ,Adjustable / High-Linearity / SiGe Dual-Band LNA/Mixer ICsfeatures such as an Pin-Selectable Low-Gain Mode Reduces Gain byLO frequency doubler and divider, ..
MAX2323EGI ,Triple/Dual-Mode CDMA LNA/MixersApplications Functional DiagramDual-Band, Triple-Mode PCS/Cellular PhonesTOP VIEWDual-Mode Cellular ..
MAX2323EGI ,Triple/Dual-Mode CDMA LNA/MixersELECTRICAL CHARACTERISTICS(V = +2.7V to +3.6V, R = 20kΩ , R = 24kΩ , T = -40°C to +85°C, no RF appl ..
MAX2323EGI ,Triple/Dual-Mode CDMA LNA/MixersFeaturesThe MAX2323/MAX2325 are low-noise amplifier (LNA)  2.7V Operationplus mixer ICs optimized ..
MAX2324EUP ,Adjustable / High-Linearity / SiGe Dual-Band LNA/Mixer ICsMAX2320/21/22/24/26/2719-1535; Rev 1; 6/00Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs
MAX536BCPE ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceELECTRICAL CHARACTERISTICS—MAX536(V = +15V, V = -5V, REFAB/REFCD = 10V, AGND = DGND = 0V, R = 5kΩ, ..
MAX536BCPE+ ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceMAX536/MAX53719-0230; Rev 3; 3/11Calibrated, Quad, 12-BitVoltage-Output DACs with Serial Interface_ ..
MAX536BCWE ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceMAX536/MAX53719-0230; Rev 2a; 1/97Calibrated, Quad, 12-BitVoltage-Output DACs with Serial Interface ..
MAX536BCWE+ ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceFeatures♦ Four 12-Bit DACs with Output BuffersThe MAX536/MAX537 combine four 12-bit, voltage-output ..
MAX536BCWE+T ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceMAX536/MAX53719-0230; Rev 3; 3/11Calibrated, Quad, 12-BitVoltage-Output DACs with Serial Interface_ ..
MAX536BEPE ,Calibrated, Quad, 12-Bit Voltage-Output DACs with Serial InterfaceMAX536/MAX53719-0230; Rev 2a; 1/97Calibrated, Quad, 12-BitVoltage-Output DACs with Serial Interface ..


MAX2321
Adjustable, High-Linearity, SiGe, Dual-Band, LNA/Mixer ICs
General Description
The MAX2320/MAX2321/MAX2322/MAX2324/MAX2326/
MAX2327high-performance silicon germanium (SiGe)
receiver front-end ICs set a new industry standard for
low noise and high linearity at a low supply current. This
family integrates a variety of unique features such as an
LO frequency doubler and divider, dual low-noise
amplifier (LNA) gain settings, and a low-current paging
mode that extends the handset standby time.
The MAX2320 family includes six ICs: four operate at
both cellular and PCS frequencies, one operates at cel-
lular frequencies, and one at PCS frequencies (see
Selector Guide). Each part includes an LNA with a high
input third-order intercept point (IIP3) to minimize inter-
modulation and cross-modulation in the presence of
large interfering signals. In low-gain mode, the LNA is
bypassed to provide higher cascaded IIP3 at a lower
current. For paging, a low-current, high-gain mode is
provided.
The CDMA mixers in cellular and PCS bands have high
linearity, low noise, and differential IF outputs. The FM
mixer is designed for lower current and a single-ended
output.
All devices come in a 20-pin TSSOP-EP package with
exposed paddle (EP) and are specified for the extend-
ed temperature range (-40°C to +85°C).
Applications

CDMA/TDMA/PDC/WCDMA/GSM Cellular Phones
Single/Dual/Triple-Mode Phones
Wireless Local Loop (WLL)
Features
Ultra-High Linearity at Ultra-Low Current and
Noise
+2.7V to +3.6V OperationPin-Selectable Low-Gain Mode Reduces Gain by
17dB and Current by 3mA
Pin-Selectable Paging Mode Reduces Current
Draw by 6mA when Transmitter Is Not in Use
LO Output BuffersLO Frequency Doubler (MAX2321)LO Frequency Divider (MAX2326)0.1µA Shutdown Current20-Pin TSSOP-EP Package
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs

MIXINH
MIXINL
RBIAS
CDMA+LNAINH
RLNA
20 TSSOP-EP
6mm x 6.3mm
LNAOUTL
LNAOUTH
TOP VIEW
CDMA-
BUFFEN
VCC
FMOUTGAIN
LIN
BAND
LNAINL
LOLOUT
LOHOUTLOHIN
LOLIN
MAX2320
MAX2321
MAX2326
TSSOP

19-1535; Rev 2; 4/06
EVALUATION KIT MANUAL
FOLLOWS DATA SHEET
Typical Application Circuits appear at end of data sheet.
Ordering Information continued at end of data sheet.

Pin Configurations continued at end of data sheet.
Pin Configurations
Ordering Information

PCS band, single mode with optional frequency
doublerMAX2322
MAX2320 with LO doubler
Dual-band, dual VCO inputs, and dual IF outputsMAX2320
MAX2321
DESCRIPTIONPART
Selector Guide

Dual-band, dual VCO inputs, and separately
controlled VCO buffersMAX2327
MAX2320 with LO divider
Cellular band, dual IF outputsMAX2324
MAX2326
+Indicates lead-free package.
*EP = Exposed pad.
PARTTEMP RANGEPIN-PACKAGE
MAX2320EUP
-40°C to +85°C20 TSSOP-EP*
MAX2320EUP+-40°C to +85°C20 TSSOP-EP*
MAX2321EUP
-40°C to +85°C20 TSSOP-EP*
MAX2321EUP+-40°C to +85°C20 TSSOP-EP*
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS—MAX2320/MAX2321/MAX2326

(VCC= +2.7V to +3.6V, RRBIAS= RRLNA= 20kΩ, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCCthrough
50Ωresistors, all other RF and IF outputs connected to VCC, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC=
+2.75V and TA= +25°C, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VCCto GND...........................................................-0.3V to +4.3V
Digital Input Voltage to GND......................-0.3V to (VCC+ 0.3V)
RF Input Signals...........................................................1.0V peak
Continuous Power Dissipation (TA= +70°C)
20-Pin TSSOP-EP (derate 80mW/°C above +70°C)........6.4W
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Operating Supply Current
(Note 1)ICC
17.521.521.5Cellular bandMAX2326
MAX2320/12621.5PCS bandMAX2321
MAX2320/6
Low-gain,
high-linearity
modes
15.52019.5Cellular bandMAX2326
MAX2320/12519.5PCS bandMAX2321
MAX2320/6
High-gain,
low-linearity
paging modes25.525.3Cellular bandMAX2326
MAX2320/130.825.3PCS bandMAX2321
MAX2320/6
High-gain,
high-linearity
modes
PARAMETERSYMBOLMINTYPMAXUNITS
18.5
Shutdown Supply CurrentISHDN0.120µA
Digital Input Logic HighVIH2.0V
Supply VoltageVCC+2.7+3.6V
Digital Input Logic LowVIL0.6V
Digital Input Current HighIIH5µA
Digital Input Current LowIIL-35µA
CONDITIONS

FM mode
(Note 1)
5.58.5Cellular band
MAX23267.5PCS band
MAX2320/1/6
LO Buffer Supply CurrentILOBUF7.5Additional current for
BUFFEN = high
Cellular band
MAX2320/1
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
DC ELECTRICAL CHARACTERISTICS—MAX2322/MAX2324

(VCC= +2.7V to +3.6V, RRBIAS= RRLNA= 20kΩ, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCC through
50Ωresistors, all other RF and IF outputs connected to VCC, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC=
+2.75V and TA= +25°C, unless otherwise noted.)
DC ELECTRICAL CHARACTERISTICS—MAX2327

(VCC= +2.7V to +3.6V, RRBIAS= RRLNA= 20kΩ, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCCthrough
50Ωresistors, all other RF and IF outputs connected to VCC, TA= -40°C to +85°C, unless otherwise noted. Typical values are at
VCC= +2.75V and TA= +25°C, unless otherwise noted.)
High-gain,
high-linearity
modes
FM mode (MAX2324 only)
(Note 1)
LOX2 = low
CONDITIONS
LOX2 = high
PCS band
(MAX2322)25.330.8
Cellular band (MAX2324)2025.3-35IILDigital Input Current Low5IIHDigital Input Current High0.6VILDigital Input Logic Low+2.7+3.6VCCSupply Voltage2.0VIHDigital Input Logic High0.120ISHDNShutdown Supply Current
UNITSMINTYPMAXSYMBOLPARAMETER

High-gain,
low-linearity
paging modes
LOX2 = low
LOX2 = high
PCS band
(MAX2322)19.525
Cellular band (MAX2324)1519.5ICC
Low-gain,
high-linearity
modes
LOX2 = low
LOX2 = high
PCS band
(MAX2322)21.526
Cellular band (MAX2324)1721.5
Operating Supply Current
(Note 1)
Additional current for BUFFEN = highmA57.5ILOBUFLO Buffer Supply Current
MAX2324 only
MAX2324 only, VMODEOUT= 2.4V
MAX2324 only
MAX2324 only-100IOLDigital Output Current Low30IOHDigital Output Current High0.4VOLDigital Output Logic Low1.7VOHDigital Output Logic High
FM mode
(Note 1)
CONDITIONS-35IILDigital Input Current Low5IIHDigital Input Current High0.6VILDigital Input Logic Low+2.7+3.6VCCSupply Voltage2.0VIHDigital Input Logic High0.120ISHDNShutdown Supply Current
UNITSMINTYPMAXSYMBOLPARAMETER
19.5PCS bandHigh-gain modemA1519.5ICCOperating Supply Current
(Note 1)Cellular band
Additional current for BUFFEN = highmA57.5ILOBUFLO Buffer Supply Current
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
AC ELECTRICAL CHARACTERISTICS—MAX2320/MAX2321/MAX2326

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOLIN= 1091MHz (digital mode), fLOLIN=
991MHz (FM mode), fLOHIN= 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND= low, MAX2327), fLLOHIN=
1085MHz (MAX2321 with BAND= low, MAX2322 with LOX2 = high), fLOHIN= 1091MHz (MAX2321 with BAND= high), fLOHIN=
2182MHz (MAX2326 with BAND= high), LO input power = -7dBm (MAX2320/MAX2326), 50Ωsystem, TA= +25°C, unless otherwise
noted.) (Note 2)
PARAMETERSYMBOLCONDITIONSMIN-3σTYP+3σMAXUNITS

Low-Band RF
Frequency Range
(Note 3)
8001000MHz
High-Band RF
Frequency Range
(Note 3)
18002500MHz
Low-Band LO
Frequency Range
(Note 3)
7001150MHz
High-Band LO
Frequency Range
(Note 3)
16002300MHz
IF Frequency Range
(Note 3)50400MHz
LNA PERFORMANCE
HIGH-GAIN, HIGH-LINEARITY MODES (Note 1)

PCS1314.516TA = +25°CCellular141516
PCS11.514.517Gain (Note 4)G
TA = -40°C to
+85°CCellular131516.5
PCS±0.5Gain Variation Over
Temperature
Relative to +25°C
TA = -40°C to
+85°CCellular±0.5
PCS1.822.1Noise Figure
(Note 5)NFCellular1.31.41.5dB
PCS7+8Input Third-Order
Intercept (Notes 5, 6)IIP3TA = TMIN to TMAXCellular6+8dBm
PCS-11-10Input 1dB CompressionPOUT
1dBTA = TMIN to TMAXCellular-11-10dBm
HIGH-GAIN, LOW-LINEARITY PAGING MODES AND FM MODE (Note 1)

PCS13.5Gain (Note 4)GCellular14.5dB
PCS±0.5Gain Variation Over
Temperature
Relative to +25°C
TA = -40°C
to +85°CCellular±0.5
PCS1.92.12.2Noise Figure
(Note 5)Cellular1.41.51.6dB
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
AC ELECTRICAL CHARACTERISTICS (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOLIN= 1091MHz (digital mode), fLOLIN=
991MHz (FM mode), fLOHIN= 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND= low, MAX2327), fLLOHIN=
1085MHz (MAX2321 with BAND= low, MAX2322 with LOX2 = high), fLOHIN= 1091MHz (MAX2321 with BAND= high), fLOHIN=
2182MHz (MAX2326 with BAND= high), LO input power = -7dBm (MAX2320/MAX2326), 50Ωsystem, TA= +25°C, unless otherwise
noted.) (Note 2)
PARAMETERSYMBOLCONDITIONSMIN-3σTYP+3σMAXUNITS

PCS+6.5Input Third-Order
Intercept (Notes 5, 6)Cellular+6dBm
LOW-GAIN, HIGH-LINEARITY MODES (Note 1)

PCS-2Gain (Note 4)GCellular-1.5dB
PCS0.5Gain Variation Over
Temperature
Relative to +25°C
TA = -40°C to
+85°CCellular0.5
PCS55.56Noise Figure (Note 5)NFCellular44.254.5dB
PCS+10.5+11.5+12.5Input Third-Order
Intercept (Notes 5, 6)IIP3Cellular+11.5+12.5+13.5dBm
MIXER PERFORMANCE
HIGH-GAIN, HIGH-LINEARITY, AND LOW-GAIN MODES (Note 1)

Without doubler1111.812.513.214TA = +25°C, PCSWith doubler10.511.11212.913.5
Without doubler1010.812.514.315.3TA = -40°C to
+85°C, PCSWith doubler9.610.41213.114.3
TA = +25°C, cellular1212713.414.014.7
Gain (Note 4)G
TA = -40°C to +85°C, cellular11.311.913.415.516.5
PCS±1Gain Variation Over
Temperature Relative to
+25°C (Note 5)
TA = -40°C to
+85°CCellular±1
Without doubler7.57.88PCSWith doubler1112.313.5
Without divider7.58.18.5Noise FigureNF
CellularWith divider7.88.48.8
Without doubler1.82.4+4PCS,
TA = TMIN to TMAXWith doubler1.42.8+4.7Input Third-Order
Intercept (Notes 5, 6)IIP3
Cellular,
TA = TMIN to TMAX11.83.2
dBm
PCS-11-10Input dB CompressionCellularTA = TMIN to TMAX-12-10.7dBm
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
AC ELECTRICAL CHARACTERISTICS (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOLIN= 1091MHz (digital mode), fLOLIN=
991MHz (FM mode), fLOHIN= 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND= low, MAX2327), fLLOHIN=
1085MHz (MAX2321 with BAND= low, MAX2322 with LOX2 = high), fLOHIN= 1091MHz (MAX2321 with BAND= high), fLOHIN=
2182MHz (MAX2326 with BAND= high), LO input power = -7dBm (MAX2320/MAX2326), 50Ωsystem, TA= +25°C, unless otherwise
noted.) (Note 2)
Note 1:
See Tables 1–5 for operational mode selection.
Note 2:
A total of 36 devices from 3 different wafer lots are used to determine the standard deviation. The lots were selected to rep-
resent worst-case process conditions.
Note 3:
Operation is characterized for the frequencies specified in the conditions; for other frequencies in the band, see Tables 8–12
for LNA and mixer S parameters.
Note 4:
Guaranteed by design, characterization, and production functional test.
Note 5:
Guaranteed by design and characterization.
Note 6:
For cellular band, RF inputs are -25dBm each tone at 881MHz and 882MHz, fLO= 1091MHz. For PCS band, RF inputs are
-25dBm each tone at 1960MHz and 1961MHz, fLO= 2170MHz. For IIP3 vs. ICCtrade-off, see Typical Operating
Characteristics.
PARAMETERSYMBOLCONDITIONSMIN-3σTYP+3σMAXUNITS
HIGH-GAIN, LOW-LINEARITY, AND LOW-GAIN MODES (Note 1)

Without doubler10.611.31212.112.8PCSWith doubler10.210.811.512.413.1Gain (Note 4)G
Cellular Band11.212.11313.814.7
PCS±1±1Gain Variation Over
Temperature Relative
to +25°C
TA = -40°C to
+85°CCellular±1±1
Without doubler7.27.57.6
PCSWith doubler
(Note 7)10.51213.4
Without divider77.27.6
Noise FigureNF
CellularWith divider7.57.78.1
Without doubler+1PCSWith doubler+2.2Input Third-Order
InterceptIIP3
Cellular+1.0
dBm
FM MODE (Note 1)

TA = +25°C9.710.411.211.912.7Gain (Note 4)GTA = -40°C to +85°C7.89.011.214.015.4dB
Noise FigureNF10.611.111.5dB
Input Third-Order
Intercept (Notes 5, 6)IIP3TA = -40°C to +85°C2.33.24.9dBm
LO BUFFER PERFORMANCE (BUFFEN = HIGH)

Load = 100Ω pullup resistor-12LO Output LevelBUFFEN = GND-44dBm
LO_OUT Even Harmonic
Distortion-31dBc
LO Emissions at LNA
Input PortInterstage filter rejection = 20dB-50dBm
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
Typical Operating Characteristics

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)
PCS-BAND SUPPLY CURRENT
vs. TEMPERATURE

MAX2320 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
HGHL
LGHL
HGLL
CELLULAR-BAND SUPPLY CURRENT
vs. TEMPERATURE

MAX2320 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
HGHL
LGHL
HGLL
CELLULAR-BAND LNA S11

MAX2320 toc03
LGHL
HGLL, FM
HGHL
CELLULAR-BAND LNA S22

MAX2320 toc04
LGHL
HGLL, FM
HGHL
PCS-BAND LNA S11

MAX2320 toc05
LGHL
HGLL
HGHL
PCS-BAND LNA S22

MAX2320 toc06
LGHL
HGLL
HGHL
PCS-BAND MIXER S11

MAX2320 toc07
ALL MODES
CELLULAR-BAND MIXER S11

MAX2320 toc08
ALL MODES
DIGITAL MIXER DIFFERENTIAL IF
PORT IMPEDANCE
MAX2320 toc09
FREQUENCY (MHz)
PARALLEL RESISTANCE (k
PARALLEL CAPACITANCE (pF)
CAPACITANCE
RESISTANCE
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICsypical Operating Characteristics (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)106121416
CELLULAR-BAND HGHL LNA GAIN
vs. CURRENT

LNA CURRENT (mA)
GAIN (dB)
MAX2320toc11
TA = -40°C
TA = +25°C
TA = +85°C
CELLULAR-BAND LNA GAIN
vs. FREQUENCY
MAX2320toc14
FREQUENCY (MHz)
GAIN (dB)
LGHL
HGHL
HGHL, FM14
PCS-BAND HGHL LNA GAIN
vs. CURRENT

MAX2320toc12
LNA CURRENT (mA)
GAIN (dB)
TA = -40°C
TA = +25°C
TA = +85°C101520
PCS-BAND HGHL LNA GAIN
vs. CURRENT

MAX2320 toc13
LNA CURRENT (mA)
GAIN (dB)
VCC = +2.7V TO +3.6V
FM MIXER IF
PORT IMPEDANCE
MAX2320 toc10
FREQUENCY (MHz)
PARALLEL RESISTANCE (k
PARALLEL CAPACITANCE (pF)
CAPACITANCE
RESISTANCE
PCS-BAND LNA GAIN vs. FREQUENCY
FREQUENCY (MHz)
GAIN (dB)
MAX2320toc15HGLL, FM
LGHL
HGHL
CELLULAR-BAND HGHL LNA
MAXIMUM AVAILABLE GAIN
MAX2320 TOC16
FREQUENCY (MHz)
MAXIMUM AVAILABLE GAIN (dB)
PCS-BAND HGHL LNA
MAXIMUM AVAILABLE GAIN
MAX2320 TOC17
FREQUENCY (MHz)
MAXIMUM AVAILABLE GAIN (dB)13
CELLULAR-BAND HGHL LNA IIP3
vs. CURRENT
LNA CURRENT (mA)
IIP3 (dBm)
MAX2320toc18
TA = +85°C
TA = +25°CTA = -40°C
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
Typical Operating Characteristics (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)10612141618
CELLULAR-BAND HGHL LNA IIP3
vs. CURRENT

MAX2320toc19
LNA CURRENT (mA)
IIP3 (dBm)
VCC = 3.6V
VCC = 3V
VCC = 2.7V61012141618
PCS-BAND HGHL LNA IIP3
vs. CURRENT

MAX2320toc20
LNA CURRENT (mA)
IIP3 (dBm)
TA = -40°C
TA = +85°C
TA = +25°C61012141618
PCS-BAND HGHL LNA IIP3
vs. CURRENT

MAX2320toc21
LNA CURRENT (mA)
IIP3 (dBm)
VCC = 3.6V
VCC = 3V
VCC = 2.7V
CELLULAR-BAND HGHL MIXER
CONVERSION GAIN vs. CURRENT
MIXER CURRENT (mA)
CONVERSION GAIN (dB)
MAX2320toc27
TA = -40°C, HIGH SIDE LO
TA = -40°C, LOW SIDE LO
TA = +25°C, HIGH SIDE LO
TA = +25°C, LOW SIDE LO
TA = +85°C, HIGH SIDE LO
TA = +85°C, LOW SIDE LO
PCS-BAND HGHL LNA IIP3
vs. CURRENT
MAX2320 toc22
LNA CURRENT (mA)
IIP3 (dBm)
LGHL
HGHL
HGLL
CELLULAR-BAND HGHL LNA
NOISE FIGURE vs. FREQUENCY
MAX2320toc23
FREQUENCY (MHz)
NOISE FIGURE (dB)
11.2mA
9mA
7mA
5.6mA
CELLULAR-BAND HGLL LNA
NOISE FIGURE vs. FREQUENCY
FREQUENCY (MHz)
NOISE FIGURE (dB)
MAX2320toc24
PCS-BAND HGHL NOISE FIGURE
vs. FREQUENCY
MAX2320 toc25
FREQUENCY (MHz)
NOISE FIGURE (dB)
5.6mA
11.2mA
7mA
PCS-BAND HGLL LNA NOISE FIGURE
vs. FREQUENCY
MAX2320toc26
FREQUENCY (MHz)
NOISE FIGURE (dB)
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
Typical Operating Characteristics (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)
CELLULAR-BAND HGHL MIXER
CONVERSION GAIN vs. CURRENT
MAX2320 toc28
MIXER CURRENT (mA)
CONVERSION GAIN (dB)
VCC = +3.6V, HIGH SIDE LO
VCC = +3.0V, HIGH SIDE LO
VCC = +2.7V,
HIGH SIDE LO
VCC = +2.7V, LOW SIDE LO
VCC = +3.6V, LOW SIDE LO
VCC = +3.0V,
LOW SIDE LO
PCS-BAND HGHL MIXER
CONVERSION GAIN vs. CURRENT
MIXER CURRENT (mA)
CONVERSION GAIN (dB)
MAX2320toc29
TA = -45°C, HIGH SIDE LO
TA = +25°C, HIGH SIDE LO
TA = +85°C, LOW SIDE LO
TA = +25°C, LOW SIDE LO
TA = +85°C, HIGH SIDE LO
TA = -45°C, LOW SIDE LO
PCS-BAND HGHL MIXER
CONVERSION GAIN vs. CURRENT
MAX2320 toc30
MIXER CURRENT (mA)
CONVERSION GAIN (dB)
VCC = +3.6V TO +2.7V
HIGH AND LOW
SIDE LO
CELLULAR-BAND MIXER CONVERSION
GAIN vs. LO INPUT LEVEL
MAX2320toc31
LO INPUT LEVEL (dBm)
CONVERSION GAIN (dB)
HGLL, LOW SIDE LO
HGLL, HIGH SIDE LO
FM, HIGH SIDE LO
FM, LOW SIDE LO
HGHL, LOW SIDE LO
HGHL, HIGH SIDE LO
PCS-BAND HGHL MIXER CONVERSION
GAIN vs. LO INPUT LEVEL
MAX2320toc32
LO INPUT LEVEL (dBm)
CONVERSION GAIN (dB)
HGLL, LOW SIDE LO
HGLL, HIGH SIDE LO
HGHL, LOW SIDE LO
HGHL, HIGH SIDE LO
CELLULAR-BAND
HGHL MIXER CONVERSION
GAIN vs. INPUT FREQUENCY
MAX2320 toc33
RF INPUT FREQUENCY (MHz)
CONVERSION GAIN (dB)
PCS-BAND HGHL MIXER CONVERSION
GAIN vs. RF INPUT FREQUENCY
MAX2320 toc34
RF INPUT FREQUENCY (MHz)
CONVERSION GAIN (dB)
CELLULAR-BAND HGHL
MIXER IIP3 vs. CURRENT
MAX2320 toc35
MIXER CURRENT (mA)
IIP3 (dBm)
TA = -40°C, HIGH SIDE LO
TA = -40°C, LOW SIDE LO
TA = +25°C,
LOW SIDE LOTA = +25°C,
HIGH SIDE LO
TA = +85°C,
HIGH SIDE LO
TA = +85°C, LOW SIDE LO
CELLULAR-BAND HGHL
MIXER IIP3 vs. CURRENT
MAX2320 toc36
MIXER CURRENT (mA)
IIP (dBm)
HIGH SIDE/LOW SIDE LO
VCC = 2.7V TO 3.6V
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
Typical Operating Characteristics (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)
CELLULAR-BAND MIXER IIP3
vs. RF INPUT LEVEL
MAX2320toc37
RF INPUT LEVEL PER TONE (dBm)
IIP3 (dBm)
LOW SIDE LO, HGHL
HIGH SIDE LO, HGLL
HIGH SIDE LO, HGHL
HIGH SIDE LO, LGHLLOW SIDE LO, LGHL
LOW SIDE LO, HGLL
CELLULAR-BAND MIXER IIP3
vs. LO INPUT LEVEL
MAX2320 toc38
LO INPUT LEVEL (dBm)
IIP3 (dBm)
HIGH SIDE LO, FM
LOW SIDE LO, FM
HIGH SIDE LO, HGHL AND LGHL
LOW SIDE LO,
HGHL AND LGHL
HIGH SIDE LO, HGLLLOW SIDE LO, HGLL
PCS-BAND HGHL MIXER IIP3
vs. CURRENT
MAX2320 toc39
MIXER CURRENT (mA)
IIP3 (dBm)
TA = +25°C,
HIGH SIDE LO
TA = +85°C, HIGH SIDE LO
TA = -40°C, HIGH SIDE LO
TA = -40°C, LOW SIDE LO
TA = +25°C, LOW SIDE LO
TA = +85°C, LOW SIDE LO
CELLULAR-BAND FM MIXER
NOISE FIGURE vs. LO INPUT LEVEL
LO INPUT LEVEL (dBm)
NOISE FIGURE (dB)
MAX2320toc45
LO SIDE LO
HIGH SIDE LO
PCS-BAND HGHL MIXER IIP3
vs. CURRENT
MAX2320 toc40
MIXER CURRENT (mA)
IIP3 (dBm)
HIGH SIDE LO, 3V
LOW SIDE LO, 3V
HIGH SIDE LO, 3.6V
LOW SIDE LO, 3.6V
HIGH SIDE LO, 2.7V
LOW SIDE LO, 2.7V
PCS-BAND MIXER IIP3
vs. RF INPUT LEVEL
MAX2320 toc41
RF INPUT LEVEL PER TONE (dBm)
IIP3 (dB)
HIGH SIDE LO, HGHL, HIGH SIDE LO, LGHL
LOW SIDE LO, LGHL
LOW SIDE LO, HGHL
HIGH SIDE LO, HGLL
LOW SIDE LO, HGLL
PCS-BAND MIXER IIP3
vs. LO INPUT LEVEL
MAX2320toc42
LO INPUT LEVEL (dBm)
IIP3 (dBm)
LOW SIDE LO, HGHL
LOW SIDE LO, LGHL
LOW SIDE LO, HGLL
HIGH SIDE LO, LGHL
HIGH SIDE LO, HGHL
HIGH SIDE LO, HGLL
CELLULAR-BAND HGHL MIXER NOISE
FIGURE vs. LO INPUT LEVEL
MAX2320 toc43
LO INPUT LEVEL (dBm)
NOISE FIGURE (dB)HIGH SIDE LO
LOW SIDE LO
CELLULAR-BAND HGLL MIXER NOISE
FIGURE vs. LO INPUT LEVEL
MAX2320 toc44
LO INPUT LEVEL (dBm)
NOISE FIGURE (dB)HIGH SIDE LO
LOW SIDE LO
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs

PCS-BAND HGHL MIXER NOISE
FIGURE vs. LO INPUT LEVEL
MAX2320 toc46
LO INPUT LEVEL (dBm)
NOISE FIGURE (dB)
HIGH SIDE LO
LOW SIDE LO
PCS-BAND HGLL MIXER NOISE
FIGURE vs. LO INPUT LEVEL
MAX2320 toc47
LO INPUT LEVEL (dBm)
NOISE FIGURE (dB)
HIGH SIDE LO
LOW SIDE LO
CELLULAR-BAND LO BUFFER
OUTPUT LEVEL vs. INPUT LEVEL
MAX2320 toc48
LO INPUT LEVEL (dBm)
OUTPUT LEVEL (dBm)
TA = -45°C TO +85°C HIGH SIDE
AND LOW SIDE LO
Typical Operating Characteristics (continued)

(MAX232_ EV kit, VCC= +2.75V, fLNAINH= fMIXINH= 1960MHz, fLNAINL= fMIXINL= 881MHz, fLOHIN= 1750MHz, fLOLIN= 1091MHz
(digital modes), fLOLIN= 991MHz (FM mode), LO input power = -7dBm, 50Ωsystem, all measurements include matching component
losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)
CELLULAR-BAND 2ND AND 3RD
HARMONICS vs. LO INPUT POWER
MAX2320 toc49
LO INPUT LEVEL (dB)
HARMONIC POWER (dBm)
2ND HARMONIC
3RD HARMONIC
fLO = 1091MHz
PCS-BAND LO BUFFER
OUTPUT LEVEL vs. INPUT LEVEL
MAX2320 toc50
LO INPUT LEVEL (dBm)
OUTPUT LEVEL (dBm)
TA = -45°C TO +85°C
HIGH SIDE AND LOW
SIDE LO
PCS-BAND 2ND AND 3RD HARMONICS
LO BUFFER OUTPUT vs. INPUT LEVEL
MAX2320 toc51
HARMONIC POWER (dBm)
2ND HARMONIC
3RD HARMONIC
fLO = 1750MHz
PCS-BAND MIXER
2 x 2 SPURIOUS REJECTION
MAX2320toc52
2 x 2 SPURIOUS OUTPUT (dBc)
HGLL, WITHOUT LO DOUBLER
HGHL, WITHOUT LO DOUBLER
MAX2320/21/22/24/26/27
Adjustable, High-Linearity
SiGe Dual-Band LNA/Mixer ICs
Pin Description
PIN
1—22—3
LNA Bias-Setting Resistor Connection. For nominal bias,
connect a 20kΩresistor to ground. The resistor value
controls the LNA’s linearity in high-gain, high-linearity
modes.
RLNA3
Low-Band LNA Output. Connect a pull-up inductor to
VCCand an external series capacitor as part of the
matching network.
LNAOUTL2
High-Band LNA Output. Connect a pull-up inductor to
VCCand an external series capacitor as part of the
matching network.
LNAOUTH14——4Logic Output. Indicates mode of operation. VMODEOUT=
high in FM mode.MODEOUT—5576Shutdown Logic Input. See Detailed Descriptionfor con-
trol modes.SHDN—
Low-Band RF Input. Requires a blocking capacitor and a
matching network. The capacitor may be used as part of
the matching network.
LNAINL5
High-Band RF Input. Requires a blocking capacitor and
a matching network. The capacitor may be used as part
of the matching network.
LNAINH46——7Linearity-Select Logic Input. See Detailed Descriptionfor
control modes.LIN7—899Low-Frequency LO Input. Used in FM mode on all parts
and in cellular digital mode for MAX2320/MAX2324.LOLIN9
Gain-Select Logic Input. See Detailed Descriptionfor
control modes.GAIN8
Band-Select Logic Input. See Detailed Descriptionfor
control modes.BAND610—
High-Frequency LO Input. For MAX2321, used in cellular
digital mode and in PCS mode with the doubler active.
For MAX2320/MAX2327, used in PCS mode without the
doubler. For MAX2322, used with or without the doubler.
For MAX2326, used in PCS mode and cellular digital
mode with the divide-by-two.
LOHIN10
MAX2320
MAX2321
MAX2326
MAX2322NAMEMAX2324MAX2327FUNCTION
8—Cellular-Band Mode Select Logic Input. See Detailed
Descriptionfor control modes.MODE—
MAX2320/21/22/24/26/27
Adjustable, High-Linearity,
SiGe Dual-Band LNA/Mixer ICs
PIN
Pin Description (continued)
MAX2320
MAX2321
MAX2326
MAX2322NAMEFUNCTIONMAX2324MAX2327
11—
High-Frequency LO Buffer Output. Open-collec-
tor output requires pull-up inductor or pull-up
resistor of 100Ωor less. Reactive match to the
load delivers maximum power.
LOHOUT1112121313
FM Mixer Output. Requires a pull-up inductor to
VCCand a series capacitor as part of the match-
ing network.
FMOUT13
Low-Frequency LO Buffer Output. Open-collec-
tor output requires pull-up inductor or pull-up
resistor of 100Ωor less. Reactive match to the
load delivers maximum power.
LOLOUT12——1414Power Supply. Bypass with a 1000pF capacitor
as close to the pin as possible.VCC141515
16, 17—16, 17
CDMA Mixer Differential Outputs. Require pull-
up inductors and series capacitors as part of the
matching network.
CDMA-,
CDMA+16, 17
LO Output Buffer Enable. The LO buffers are
controlled separately from the rest of the IC. Drive
BUFFEN high to power up the LO output buffer
associated with the selected LO input port.
BUFFEN15
LO Doubler Logic Input. Drive LOX2 high to
enable the LO doubler.LOX2—18181919
Low-Band Mixer Input. Requires a blocking
capacitor and a matching network. The capaci-
tor may be used as part of the matching net-
work.
MIXINL1920—
2, 5, 9, 12,31, 10, 11, 20No Connection. Do not make any connection to
these pins.N.C.—
High-Band Mixer Input. Requires a blocking
capacitor and a matching network. The capaci-
tor may be used as part of the matching net-
work.
MIXINH20
Bias-Setting Resistor Connection. For nominal
bias, connect 20kΩresistor to ground. The resis-
tor value controls the digital LNA’s linearity in
low-gain, digital, or FM mode, and controls the
mixers in all modes.
RBIAS18
SlugSlugSlug
Ground Reference for RF, DC, and Logic Inputs.
Solder the slug evenly to the board ground
plane.
GNDSlug16, 17—
Mixer Differential Outputs. Require pull-up
inductors and series capacitors as part of the
matching network.
IFOUT+,
IFOUT-—
PIN
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