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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX19995 Datasheet

1700MHz to 2200MHz Downconversion Mixer

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19-4253; Rev 0; 12/08
www.DataSheet4U.com
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
General Description
The MAX19995 dual-channel downconverter provides
up to 9dB of conversion gain, +24.8dBm input IP3,
+13.3dBm 1dB input compression point, and a noise
figure as low as 9dB for 1700MHz to 2200MHz diversity
receiver applications. With an optimized LO frequency
range of 1400MHz to 2000MHz, this mixer is ideal for
low-side LO injection architectures. High-side LO injec-
tion is supported by the MAX19995A, which is pin-pin
and functionally compatible with the MAX19995.
In addition to offering excellent linearity and noise per-
formance, the MAX19995 also yields a high level of
component integration. This device includes two dou-
ble-balanced passive mixer cores, two LO buffers, a
dual-input LO selectable switch, and a pair of differen-
tial IF output amplifiers. Integrated on-chip baluns allow
for single-ended RF and LO inputs.
The MAX19995 requires a nominal LO drive of 0dBm
and a typical supply current of 297mA at VCC = 5.0V or
212mA at VCC = 3.3V.
The MAX19995/MAX19995A are pin compatible with
the MAX19985/MAX19985A series of 700MHz to
1000MHz mixers and pin similar with the MAX19997A/
MAX19999 series of 1800MHz to 4000MHz mixers,
making this entire family of downconverters ideal for
applications where a common PCB layout is used
across multiple frequency bands.
The MAX19995 is available in a 6mm x 6mm, 36-pin
thin QFN package with an exposed pad. Electrical per-
formance is guaranteed over the extended temperature
range, from TC = -40°C to +85°C.
Applications
UMTS/WCDMA/LTE Base Stations
cdma2000® Base Stations
DCS1800 and EDGE Base Stations
PCS1900 and EDGE Base Stations
PHS/PAS Base Stations
Fixed Broadband Wireless Access
Wireless Local Loop
Private Mobile Radios
Military Systems
Features
o 1700MHz to 2200MHz RF Frequency Range
o 1400MHz to 2000MHz LO Frequency Range
o 1750MHz to 2700MHz LO Frequency Range
(MAX19995A)
o 50MHz to 500MHz IF Frequency Range
o 9dB Typical Conversion Gain
o 9dB Typical Noise Figure
o +24.8dBm Typical Input IP3
o +13.3dBm Typical Input 1dB Compression Point
o 79dBc Typical 2RF-2LO Spurious Rejection at
PRF = -10dBm
o Dual Channels Ideal for Diversity Receiver
Applications
o 49dB Typical Channel-to-Channel Isolation
o Low -3dBm to +3dBm LO Drive
o Integrated LO Buffer
o Internal RF and LO Baluns for Single-Ended
Inputs
o Built-In SPDT LO Switch with 56dB LO-to-LO
Isolation and 50ns Switching Time
o Pin Compatible with the MAX19985/MAX19985A/
MAX19995A Series of 700MHz to 2200MHz Mixers
o Pin Similar to the MAX19997A/MAX19999 Series
of 1800MHz to 4000MHz Mixers
o Single +5.0V or +3.3V Supply
o External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/Reduced-
Performance Mode
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX19995ETX+ -40°C to +85°C
36 Thin QFN-EP*
MAX19995ETX+T -40°C to +85°C
36 Thin QFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
Pin Configuration and Typical Application Circuit appear at
end of data sheet.
cdma2000 is a trademark of Telecommunications Industry
Association.
________________________________________________________________ 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

MAX19995 Datasheet

1700MHz to 2200MHz Downconversion Mixer

No Preview Available !

www.DataSheet4U.com
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...........................................................-0.3V to +5.5V
LO1, LO2 to GND ...............................................................±0.3V
Any Other Pins to GND...............................-0.3V to (VCC + 0.3V)
RFMAIN, RFDIV, and LO_ Input Power ..........................+15dBm
RFMAIN, RFDIV Current (RF is DC shorted to GND
through a balun)...............................................................50mA
Continuous Power Dissipation (Note 1) ...............................8.7W
θJA (Notes 2, 3)..............................................................+38°C/W
θJC (Notes 1, 3)...............................................................7.4°C/W
Operating Case Temperature Range
(Note 4) .............................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: Based on junction temperature TJ = TC + (θJC x VCC x ICC). This formula can be used when the temperature of the exposed
pad is known while the device is soldered down to a PCB. See the Applications Information section for details. The junction
temperature must not exceed +150°C.
Note 2: Junction temperature TJ = TA + (θJA x VCC x ICC). This formula can be used when the ambient temperature of the PCB is
known. The junction temperature must not exceed +150°C.
Note 3: 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 4: TC is the temperature on the exposed pad of the package. TA is the ambient temperature of the device and PCB.
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.
+5.0V SUPPLY DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit optimized for the DCS/PCS band, VCC = +4.75V to +5.25V, TC = -40°C to +85°C. R1 = R4 = 806, R2 =
R5 = 2.32k. Typical values are at VCC = +5.0V, TC = +25°C, unless otherwise noted. All parameters are production tested.)
PARAMETER
Supply Voltage
Supply Current
LOSEL Input High Voltage
LOSEL Input Low Voltage
LOSEL Input Current
SYMBOL
VCC
ICC
VIH
VIL
IIH and IIL
CONDITIONS
Total supply current, VCC = +5.0V
MIN
4.75
2
-10
TYP
5
297
MAX
5.25
370
0.8
+10
UNITS
V
mA
V
V
µA
+3.3V SUPPLY DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, VCC = +3.0V to +3.6V, TC = -40°C to +85°C, R1 = R4 = 909, R2 = R5 = 2.49k. Typical values are at
VCC = +3.3V, TC = +25°C, unless otherwise noted. All parameters are guaranteed by design and not production tested.)
PARAMETER
Supply Voltage
Supply Current
LOSEL Input High Voltage
LOSEL Input Low Voltage
SYMBOL
VCC
ICC
VIH
VIL
CONDITIONS
Total supply current, VCC = +3.3V
MIN TYP MAX UNITS
3.0 3.3 3.6
V
212 mA
2V
0.8 V
2 _______________________________________________________________________________________


Part Number MAX19995
Description 1700MHz to 2200MHz Downconversion Mixer
Maker Maxim Integrated Products
PDF Download

MAX19995 Datasheet PDF






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