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MAX9996ETP
SiGe High-Linearity, 1700MHz2 2200MHz Downconversion Mixer with LO Buffer/Switch
General DescriptionThe MAX9996 high-linearity downconversion mixer pro-
vides 8.3dB gain, +26.5dBm IIP3, and 9.7dB NF for
1700MHz to 2200MHz UMTS/WCDMA, DCS, and PCS
base-station receiver applications. With a 1900MHz to
2400MHz LO frequency range, this particular mixer is
ideal for high-side LO injection receiver architectures.
Low-side LO injection is supported by the MAX9994,
which is pin-for-pin and functionally compatible with the
MAX9996.
In addition to offering excellent linearity and noise per-
formance, the MAX9996 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 MAX9996 requires a nominal LO
drive of 0dBm, and supply current is guaranteed to be
below 240mA.
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 MAX9996 is also functional-
ly compatible with the MAX9993.
The MAX9996 is available in a compact, 20-pin, thin
QFN package (5mm x 5mm) with an exposed paddle.
Electrical performance is guaranteed over the extended
-40°C to +85°C temperature range.
ApplicationsUMTS/WCDMA 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
Features1700MHz to 2200MHz RF Frequency Range1900MHz to 2400MHz LO Frequency Range
(MAX9996)1400MHz to 2000MHz LO Frequency Range
(MAX9994)40MHz to 350MHz IF Frequency Range8.3dB Conversion Gain+26.5dBm Input IP3+12.6dBm Input 1dB Compression Point9.7dB Noise Figure72dBc 2LO-2RF 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 43dB LO1 to LO2
Isolation and 50ns Switching TimePin Compatible with MAX9984/MAX9986 815MHz
to 995MHz MixersFunctionally Compatible with MAX9993External Current-Setting Resistors Provide Option
for Operating Mixer in Reduced Power/Reduced
Performance ModeLead-Free Package Available
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.19-3531; Rev 0; 12/04
Ordering Information*EP = Exposed paddle.
+ = Lead free. D = Dry pack. T = Tape-and-reel.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
cdmaOne is a trademark of CDMA Development Group.
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS(MAX9996 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 26.3mW/°C above +70°C)...........2.1W
θJA.................................................................................+38°C/W
θJC.................................................................................+13°C/W
Operating Temperature Range (Note A)....TC= -40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Note A:TCis the temperature on the exposed paddle of the package.
AC ELECTRICAL CHARACTERISTICS(MAX9996 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= 1900MHz to 2400MHz, fIF= 200MHz, fLO> fRF, TC= -40°C to +85°C,
unless otherwise noted. Typical values are at VCC= +5V, PRF = -5dBm, PLO= 0dBm, fRF= 1900MHz, fLO= 2100MHz, fIF= 200MHz,= +25°C, unless otherwise noted.) (Notes 1, 2)
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
Note 2:All limits include external component losses. Output measurements taken at IF output of the Typical Application Circuit.
Note 3:Operation outside this range is possible, but with degraded performance of some parameters.
Note 4:Compression point characterized. It is advisable not to operate continuously the mixer RF input above +12dBm.
Note 5: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 Maxim Application Note 2021.
AC ELECTRICAL CHARACTERISTICS (continued)(MAX9996 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= 1900MHz to 2400MHz, fIF= 200MHz, fLO> fRF, TC= -40°C to +85°C,
unless otherwise noted. Typical values are at VCC= +5V, PRF = -5dBm, PLO= 0dBm, fRF= 1900MHz, fLO= 2100MHz, fIF= 200MHz,= +25°C, unless otherwise noted.) (Notes 1, 2)
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
Typical Operating Characteristics(MAX9996 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fLO> fRF, fIF= 200MHz, unless otherwise noted.)
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch2LO-2RF RESPONSE vs. RF FREQUENCY
MAX9996 toc10
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
2LO-2RF RESPONSE vs. RF FREQUENCY
MAX9996 toc11
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
2LO-2RF RESPONSE vs. RF FREQUENCY
MAX9996 toc12
RF FREQUENCY (MHz)
2LO-2RF RESPONSE (dBc)
3LO-3RF RESPONSE vs. RF FREQUENCY
MAX9996 toc13
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
3LO-3RF RESPONSE vs. RF FREQUENCY
MAX9996 toc14
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)70
3LO-3RF RESPONSE vs. RF FREQUENCY
MAX9996 toc15
RF FREQUENCY (MHz)
3LO-3RF RESPONSE (dBc)
INPUT P1dB vs. RF FREQUENCY
MAX9996 toc16
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
INPUT P1dB vs. RF FREQUENCY
MAX9996 toc17
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
INPUT P1dB vs. RF FREQUENCY
MAX9996 toc18
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
ypical Operating Characteristics (continued)(MAX9996 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fLO> fRF, fIF= 200MHz, unless otherwise noted.)
MAX9996
SiGe High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switchypical Operating Characteristics (continued)(MAX9996 Typical Application Circuit, VCC= +5.0V, PLO= 0dBm, PRF= -5dBm, fLO> fRF, fIF= 200MHz, unless otherwise noted.)
