MAX9994ETP+-MAX9994ETP+T Fast Delivery |IC PHOENIX CO.,LIMITED

MAX9994ETP+ ,SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/SwitchApplicationsUMTS/LTE Base StationsPART TEMP RANGE PIN-PACKAGETD-SCDMA/TD-LTE Base Stations 20 Thin ..
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MAX9994ETP+-MAX9994ETP+T
SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
General Description
The MAX9994 high-linearity downconversion mixer pro-
vides 8.3dB gain, +26.2dBm IIP3, and 9.7dB NF for
1400MHz to 2200MHz UMTS/WCDMA, DCS, and PCS
base-station receiver applications. With a wide LO range
of 1400MHz to 2000MHz, the MAX9994 can be used in
either high-side or low-side LO injection architectures,
depending on the RF band of interest. Higher LO appli-
cations are supported by the MAX9996, which is pin-pin
and functionally compatible with the MAX9994.
In addition to offering excellent linearity and noise per-
formance, the MAX9994 also yields a high level of com-
ponent integration. This device includes a double-
balanced passive mixer core, an IF amplifier, a dual-
input LO selectable switch, and an LO buffer. On-chip
baluns are also integrated to allow for single-ended RF
and LO inputs. The MAX9994 requires a nominal LO
drive of 0dBm, and supply current is guaranteed to be
below 235mA.
The MAX9994/MAX9996 are pin compatible with the
MAX9984/MAX9986 815MHz to 995MHz mixers, mak-
ing this entire family of downconverters ideal for appli-
cations where a common PC board layout is used for
both frequency bands. The MAX9994 is also functional-
ly compatible with the MAX9993.
The MAX9994 is available in a compact, 20-pin, thin
QFN package (5mm x 5mm) with an exposed pad.
Electrical performance is guaranteed over the extended
-40°C to +85°C temperature range.
Applications
UMTS/LTE Base Stations
TD-SCDMA/TD-LTE Base Stations
DCS1800/PCS1900 EDGE Base Stations
cdmaOne™ and cdma2000®Base Stations
PHS/PAS Base Stations
Predistortion Receivers
Fixed Broadband Wireless Access
Wireless Local Loop
Private Mobile Radios
Military Systems
Microwave Links
Digital and Spread-Spectrum Communication
Systems
Features1400MHz to 2200MHz RF Frequency Range1400MHz to 2000MHz LO Frequency Range
(MAX9994)1900MHz to 2400MHz LO Frequency Range
(MAX9996)40MHz to 350MHz IF Frequency Range8.3dB Conversion Gain+26.2dBm Input IP3+12.6dBm Input 1dB Compression Point9.7dB Noise Figure67dBc 2RF - 2LO Spurious Rejection at
PRF= -10dBmIntegrated LO BufferIntegrated RF and LO Baluns for Single-Ended
InputsLow -3dBm to +3dBm LO DriveBuilt-In SPDT LO Switch with 45dB LO1 to LO2
Isolation and 50ns Switching TimePin Compatible with the MAX9984/MAX9986
815MHz to 995MHz MixersFunctionally Compatible with the MAX9993External Current-Setting Resistors Provide Option
for Operating Mixer in Reduced Power/Reduced
Performance Mode
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.
19-3435; Rev 1; 12/10
EVALUATION KITAVAILABLE
Ordering Information
**EP = Exposed pad.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
PARTTEMP RANGEPIN-PACKAGE
MAX9994ETP+ -40°C to +85°C
20 Thin QFN-EP**
5mm 5mm
bulk
MAX9994ETP+T -40°C to +85°C
20 Thin QFN-EP**
5mm 5mm
T/R
cdma2000 is a registered trademark of Telecommunications
Industry Association.
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, VCC= +4.75V to +5.25V, no RF signal applied, IF+ and IF- outputs pulled up to VCCthrough inductive
chokes, R1= 806Ω, R2= 549Ω, TC= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +5V, TC=+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 +5.5V
IF+, IF-, LOBIAS, LOSEL, IFBIAS to GND...-0.3V to (VCC+ 0.3V)
TAP........................................................................-0.3V to +1.4V
LO1, LO2, LEXT to GND........................................-0.3V to +0.3V
RF, LO1, LO2 Input Power.............................................+12dBm
RF (RF is DC shorted to GND through a balun) .................50mA
Continuous Power Dissipation(TA= +70°C)
20-Pin Thin QFN-EP (derate 20mW/°C above +70°C)..............1.8W
θJA(Note 1)...................................................................+38°C/WθJC(Note 1).....................................................................+8°C/W
Operating Temperature Range (Note 2).....TC= -40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering 10s)..................................+300°C
Soldering Temperature (reflow).......................................+260°C
Note 1:Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to /thermal-tutorial.
Note 2:TCis the temperature on the exposed pad of the package.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Supply VoltageVCC4.755.005.25V
Supply CurrentICC206235mA
LO_SEL Input Logic-LowVIL0.8V
LO_SEL Input Logic-HighVIH2V
RECOMMENDED AC OPERATING CONDITIONS
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
RF Frequency RangefRF(Note 3)1400 2200MHz
LO Frequency RangefLO(Note 3)14002000MHz
IF Frequency RangefIF(Note 3)40350MHz
LO Drive LevelPLO(Note 3)-3+3dBm
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
AC ELECTRICAL CHARACTERISTICS—fRF= 1700MHz TO 2200MHz, LOW-SIDE LO INJECTION
(Typical Application Circuit, VCC= +4.75V to +5.25V, RF and LO ports are driven from 50Ωsources, PLO= -3dBm to +3dBm,
PRF=-5dBm, fRF= 1700MHz to 2200MHz, fLO= 1400MHz to 2000MHz, fIF= 200MHz, fRF> fLO, TC= -40°C to +85°C, unless other-
wise noted. Typical values are at VCC= +5V, PRF = -5dBm, PLO= 0dBm, fRF= 1900MHz, fLO= 1700MHz, fIF= 200MHz,=+25°C, unless otherwise noted.) (Notes 4, 5)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Conversion Gain GC PRF < +2dBm, TA = +25°C (Note 6) 7.2 8.3 9.2 dB
Gain Variation Over Temperature TC = -40°C to +85°C±0.75 dB
Input Compression Point P1dB (Note 7) 12.6 dBm
Input Third-Order Intercept Point
(Note 6) IIP3
Two tones:
fRF1 = 2000MHz, fRF2 = 2001MHz,
PRF = -5dBm/tone, fLO = 1800MHz,
PLO = 0dBm, TA = +25°C
23.5 26.2 dBm
Input IP3 Variation Over
Temperature TC = -40°C to +85°C±0.5 dB
Noise Figure NF Single sideband 9.7 dB
Noise Figure Under-Blocking PRF = 5dBm, fRF = 2000MHz,
fLO = 1810MHz, fblock = 2100MHz (Note 8) 19 dB
LO Drive -3 +3 dBm
PRF = -10dBm 67 2 x 2 2RF - 2LO PRF = -5dBm 62
PRF = -10dBm 82 Spurious Response at IF
3 x 3 3RF - 3LO PRF = -5dBm 72
dBc
LO2 selected,
1500MHz < fLO < 1700MHz 40 52 LO1 to LO2 Isolation
(Note 4) LO1 selected,
1500MHz < fLO < 1700MHz 40 45
dB
Maximum LO Leakage at RF
Port PLO = +3dBm -17 dBm
Maximum LO Leakage at IF Port PLO = +3dBm -30 dBm
Minimum RF-to-IF Isolation 35 dB
LO Switching Time 50% of LOSEL to IF settled to within 2° 50 ns
RF Port Return Loss 21 dB
LO1/2 port selected,
LO2/1 and IF terminated 16
LO Port Return Loss LO1/2 port unselected,
LO2/1 and IF terminated 26
dB
IF Port Return Loss LO driven at 0dBm, RF terminated into
50, differential 200 20 dB
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
Note 3:Operation outside this range is possible, but with degraded performance of some parameters.
Note 4:Guaranteed by design and characterization.
Note 5:All limits include external component losses. Output measurements taken at IF output of the Typical Application Circuit.
Note 6:Production tested.
Note 7:Compression point characterized. It is advisable not to operate continuously the mixer RF input above +12dBm.
Note 8:Measured with external LO source noise filtered so the noise floor is -174dBm/Hz. This specification reflects the effects of all
SNR degradations in the mixer, including the LO noise as defined in Application Note 2021: Specifications and
Measurement of Local Oscillator Noise in Integrated Circuit Base Station Mixers.
AC ELECTRICAL CHARACTERISTICS—fRF= 1455MHz, HIGH-SIDE LO INJECTION
(Typical Application Circuit, RF and LO ports are driven from 50Ωsources, fRF< fLO, VCC= +5V, PRF= -5dBm, PLO=0dBm,
fRF=1455MHz, fLO= 1625MHz, fIF= 170MHz, TC= +25°C, LO2 is selected, unless otherwise noted.) (Note 5)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Conversion Gain GC 8.8 dB
Input Third-Order Intercept Point IIP3
Two tones:
fRF1 = 1455MHz, fRF2 = 1456MHz,
PRF = -5dBm/tone
25.6 dBm
Input Compression Point
(Note 7) IP1dB 12.7 dBm
PRF = -10dBm 71.4 2LO - 2RF Spurious Response 2 x 2 PRF = -5dBm 66.4 dBc
LO-to-IF Leakage LOSEL = LO2 -30.2 dBm
AC ELECTRICAL CHARACTERISTICS—fRF= 1500MHz, HIGH-SIDE LO INJECTION
(Typical Application Circuit, RF and LO ports are driven from 50Ωsources, fRF< fLO, VCC= +5V, PRF= -5dBm, PLO=0dBm,
fRF=1500MHz, fLO= 1650MHz, fIF= 150MHz, TC= +25°C, LO1 is selected, unless otherwise noted.) (Note 5)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Conversion Gain GC 8.9 dB
Input Third-Order Intercept Point IIP3
Two tones:
fRF1 = 1500MHz, fRF2 = 1501MHz,
PRF = -5dBm/tone
25.5 dBm
Input Compression Point
(Note 7) IP1dB 12.5 dBm
PRF = -10dBm 70.4 2LO - 2RF Spurious Response 2 x 2
PRF = -5dBm 65.4
dBc
LO-to-IF Leakage -33.2 dBm
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
CONVERSION GAIN vs. RF FREQUENCY
MAX9994 toc01
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)TC = +85°CTC = +25°C
TC = -25°C
CONVERSION GAIN vs. RF FREQUENCY
MAX9994 toc02
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
PLO = -3dBm, 0dBm, +3dBm
CONVERSION GAIN vs. RF FREQUENCY
MAX9994 toc03
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
VCC = 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY
MAX9994 toc04
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
TC = +25°C
TC = -25°C
TC = +85°C
INPUT IP3 vs. RF FREQUENCY
MAX9994 toc05
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
PLO = +3dBm
PLO = -3dBm, 0dBm
INPUT IP3 vs. RF FREQUENCY
MAX9994 toc06
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
VCC = 4.75V
VCC = 5.0V, 5.25V
NOISE FIGURE vs. RF FREQUENCY
MAX9994 toc07
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
TC = +85°C
TC = +25°C
TC = -25°C
NOISE FIGURE vs. RF FREQUENCY
MAX9994 toc08
RF FREQUENCY (MHz)
NOISE FIGURE (dB)PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
NOISE FIGURE vs. RF FREQUENCY
MAX9994 toc09
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
Typical Operating Characteristics
(MAX9994 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fRF= 1700MHz to 2200MHz, LO is Low-Side
Injectedfor a 200MHz IF, unless otherwise noted.)
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX9994 toc10
RF FREQUENCY (MHz)
2RF - 2LO RESPONSE (dBc)
TC = +25°C
TC = -25°C
TC = +85°C
PRF = -5dBm
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX9994 toc11
RF FREQUENCY (MHz)
2RF - 2LO RESPONSE (dBc)
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
PRF = -5dBm
2RF - 2LO RESPONSE vs. RF FREQUENCY
MAX9994 toc12
RF FREQUENCY (MHz)
2RF - 2LO RESPONSE (dBc)
PRF = -5dBm
VCC = 4.75V, 5.0V, 5.25V
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX9994 toc13
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE (dBc)
PRF = -5dBm
TC = +25°C
TC = +85°C
TC = -25°C
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX9994 toc14
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE (dBc)
PRF = -5dBm
PLO = -3dBm, 0dBm, +3dBm
3RF - 3LO RESPONSE vs. RF FREQUENCY
MAX9994 toc15
RF FREQUENCY (MHz)
3RF - 3LO RESPONSE (dBc)
PRF = -5dBm
VCC = 5.25VVCC = 5.0V
VCC = 4.75V
INPUT P1dB vs. RF FREQUENCY
MAX9994 toc16
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
TC = +85°C
TC = -25°CTC = +25°C
INPUT P1dB vs. RF FREQUENCY
MAX9994 toc17
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
PLO = -3dBm, 0dBm, +3dBm
INPUT P1dB vs. RF FREQUENCY
MAX9994 toc18
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
VCC = 5.25V
VCC = 5.0V
VCC = 4.75Vypical Operating Characteristics (continued)
(MAX9994 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fRF= 1700MHz to 2200MHz, LO is Low-Side
Injectedfor a 200MHz IF, unless otherwise noted.)
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9994 toc19
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
TC = -25°C
TC = +25°C
TC = +85°C
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9994 toc20
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9994 toc21
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
VCC = 4.75V, 5.0V, 5.25V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9994 toc22
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
TC = -25°C
TC = +85°C
TC = +25°C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9994 toc23
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
PLO = -3dBm
PLO = 0dBm
PLO = +3dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9994 toc24
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9994 toc25
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
TC = -25°C, +25°C, +85°C
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9994 toc26
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
PLO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9994 toc27
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)VCC = 5.25V
VCC = 5.0V
VCC = 4.75Vypical Operating Characteristics (continued)
(MAX9994 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fRF= 1700MHz to 2200MHz, LO is Low-Side
Injectedfor a 200MHz IF, unless otherwise noted.)
MAX9994
SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX9994 toc28
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
TC = +85°C
TC = +25°C
TC = -25°C
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX9994 toc29
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX9994 toc30
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX9994 toc31
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)PLO = -3dBm, 0dBm, +3dBm150200100250300350
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX9994 toc32
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
VCC = 5.25V
VCC = 5.0V
VCC = 4.75V
LO SELECTED RETURN LOSS
vs. LO FREQUENCY
MAX9994 toc33
LO FREQUENCY (MHz)
LO SELECTED RETURN LOSS (dB)
PLO = +3dBm
PLO = -3dBm
PLO = 0dBm
LO UNSELECTED RETURN LOSS
vs. LO FREQUENCY
MAX9994 toc34
LO FREQUENCY (MHz)
LO UNSELECTED RETURN LOSS (dB)
PLO = -3dBm, 0dBm, +3dBm200
SUPPLY CURRENT
vs. TEMPERATURE (TC)
MAX9994 toc35
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
VCC = 5.25V
VCC = 5.0VVCC = 4.75V
Typical Operating Characteristics (continued)
(MAX9994 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fRF= 1700MHz to 2200MHz, LO is Low-Side
Injectedfor a 200MHz IF, unless otherwise noted.)

Partno	Mfg	Dc	Qty	Available	Descript
MAX9994ETP+ \|MAX9994ETP	MAXIN	N/a	2125	avai	SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch
MAX9994ETP+T	MAXIM	N/a	1480	avai	SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch