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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9994 Datasheet

1700MHz to 2200MHz Downconversion Mixer

No Preview Available !

19-3435; Rev 1; 12/10
EVAALVUAAILTAIOBNLEKIT
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.
Features
1400MHz to 2200MHz RF Frequency Range
1400MHz to 2000MHz LO Frequency Range
(MAX9994)
1900MHz to 2400MHz LO Frequency Range
(MAX9996)
40MHz to 350MHz IF Frequency Range
8.3dB Conversion Gain
+26.2dBm Input IP3
+12.6dBm Input 1dB Compression Point
9.7dB Noise Figure
67dBc 2RF - 2LO Spurious Rejection at
PRF = -10dBm
Integrated LO Buffer
Integrated RF and LO Baluns for Single-Ended
Inputs
Low -3dBm to +3dBm LO Drive
Built-In SPDT LO Switch with 45dB LO1 to LO2
Isolation and 50ns Switching Time
Pin Compatible with the MAX9984/MAX9986
815MHz to 995MHz Mixers
Functionally Compatible with the MAX9993
External Current-Setting Resistors Provide Option
for Operating Mixer in Reduced Power/Reduced
Performance Mode
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
cdma2000 is a registered trademark of Telecommunications
Industry Association.
cdmaOne is a trademark of CDMA Development Group.
Ordering Information
PART
TEMP RANGE PIN-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
**EP = Exposed pad.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9994 Datasheet

1700MHz to 2200MHz Downconversion Mixer

No Preview Available !

SiGe High-Linearity, 1400MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
VCC to 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/W
θJC (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 www.maxim-ic.com/thermal-tutorial.
Note 2: TC is the temperature on the exposed pad of the package.
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.
DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, VCC = +4.75V to +5.25V, no RF signal applied, IF+ and IF- outputs pulled up to VCC through inductive
chokes, R1 = 806, R2 = 549, TC = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +5V, TC = +25°C, unless
otherwise noted.)
PARAMETER
Supply Voltage
Supply Current
LO_SEL Input Logic-Low
LO_SEL Input Logic-High
SYMBOL
VCC
ICC
VIL
VIH
CONDITIONS
MIN TYP MAX UNITS
4.75 5.00 5.25
V
206 235
mA
0.8 V
2V
RECOMMENDED AC OPERATING CONDITIONS
PARAMETER
RF Frequency Range
LO Frequency Range
IF Frequency Range
LO Drive Level
SYMBOL
fRF
fLO
fIF
PLO
(Note 3)
(Note 3)
(Note 3)
(Note 3)
CONDITIONS
MIN TYP MAX UNITS
1400
2200 MHz
1400
2000 MHz
40 350 MHz
-3 +3 dBm
2 _______________________________________________________________________________________


Part Number MAX9994
Description 1700MHz to 2200MHz Downconversion Mixer
Maker Maxim Integrated Products
Total Page 15 Pages
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