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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX19999 Datasheet

3000MHz to 4000MHz Downconversion Mixer

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19-4293; Rev 0; 10/08
www.DataSheet4U.com
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
General Description
The MAX19999 dual-channel downconverter provides
8.3dB of conversion gain, +24dBm input IP3, +11.4dBm
1dB input compression point, and a noise figure of
10.5dB for 3000MHz to 4000MHz WiMAX™ and LTE
diversity receiver applications. With an optimized LO fre-
quency range of 2650MHz to 3700MHz, this mixer is
ideal for low-side LO injection architectures.
In addition to offering excellent linearity and noise per-
formance, the MAX19999 also yields a high level of
component integration. This device includes two dou-
ble-balanced passive mixer cores, two LO buffers, and
a pair of differential IF output amplifiers. Integrated on-
chip baluns allow for single-ended RF and LO inputs.
The MAX19999 requires a nominal LO drive of 0dBm
and a typical supply current of 388mA at VCC = +5.0V
or 279mA at VCC = +3.3V.
The MAX19999 is pin compatible with the MAX19997A
1800MHz to 2900MHz mixer and pin similar with the
MAX19985/MAX19985A and MAX19995/MAX19995A
series of 700MHz to 2200MHz mixers, making this
entire family of downconverters ideal for applications
where a common PCB layout is used across multiple
frequency bands.
The MAX19999 is available in a compact 6mm x 6mm,
36-pin thin QFN package with an exposed pad.
Electrical performance is guaranteed over the extended
temperature range, from TC = -40°C to +85°C.
Applications
3.5GHz WiMAX and LTE Base Stations
Fixed Broadband Wireless Access
Microwave Links
Wireless Local Loop
Private Mobile Radios
Military Systems
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.
Features
o 3000MHz to 4000MHz RF Frequency Range
o 2650MHz to 3700MHz LO Frequency Range
o 50MHz to 500MHz IF Frequency Range
o 8.3dB Conversion Gain
o +24dBm Input IP3
o 10.5dB Noise Figure
o +11.4dBm Input 1dB Compression Point
o 74dBc Typical 2 x 2 Spurious Rejection at
PRF = -10dBm
o Dual Channels Ideal for Diversity Receiver
Applications
o Integrated LO Buffer
o Integrated LO and RF Baluns for Single-Ended
Inputs
o Low -3dBm to +3dBm LO Drive
o Pin Compatible with the MAX19997A 1800MHz to
2900MHz Mixer
o Pin Similar to the MAX9995/MAX9995A and
MAX19995/MAX19995A 1700MHz to 2200MHz
Mixers and the MAX9985/MAX9985A and
MAX19985/MAX19985A 700MHz to 1000MHz
Mixers
o 39dB Channel-to-Channel Isolation
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
MAX19999ETX+
-40°C to +85°C 36 Thin QFN-EP*
MAX19999ETX+T -40°C to +85°C 36 Thin QFN-EP*
+Denotes a lead-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
WiMAX is a trademark of WiMAX Forum.
________________________________________________________________ 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

MAX19999 Datasheet

3000MHz to 4000MHz Downconversion Mixer

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www.DataSheet4U.com
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...........................................................-0.3V to +5.5V
RF_, LO to GND.....................................................-0.3V to +0.3V
IFM_, IFD_, IFM_SET, IFD_SET, LO_ADJ_M,
LO_ADJ_D to GND.................................-0.3V to (VCC + 0.3V)
RF_, LO Input Power ......................................................+15dBm
RF_, LO Current (RF and LO are DC shorted to GND
through balun).................................................................50mA
Continuous Power Dissipation (Note 1) ..............................8.7W
θJA (Notes 2, 3)..............................................................+38°C/W
θJC (Note 3).....................................................................7.4°C/W
Operating Case Temperature Range
(Note 4) ...................................................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 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, no input RF or LO signals applied, VCC = +4.75V to +5.25V, TC = -40°C to +85°C. Typical values are at
VCC = +5.0V, TC = +25°C, unless otherwise noted. R1 = R4 = 750, R2 = R5 = 698.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
Supply Current
VCC
ICC Total supply current
4.75 5 5.25
388 420
V
mA
+3.3V SUPPLY DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, no input RF or LO signals applied, TC = -40°C to +85°C. Typical values are at
VCC = +3.3V, TC = +25°C, unless otherwise noted. R1, R4 = 1.1k; R2, R5 = 845.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
Supply Current
VCC (Note 6)
ICC Total supply current
3 3.3 3.6
V
279 mA
RECOMMENDED AC OPERATING CONDITIONS
PARAMETER
RF Frequency
LO Frequency
IF Frequency
SYMBOL
fRF
fLO
fIF
CONDITIONS
(Notes 5, 7)
(Notes 5, 7)
Using Mini-Circuits TC4-1W-17 4:1
transformer as defined in the Typical
Application Circuit, IF matching
components affect the IF frequency range
(Notes 5, 7)
LO Drive Level
Using alternative Mini-Circuits TC4-1W-7A
4:1 transformer, IF matching components
affect the IF frequency range (Notes 5, 7)
PLO (Note 7)
MIN
3000
2650
TYP
MAX
4000
3700
UNITS
MHz
MHz
100 500
MHz
50 250
-3 +3 dBm
2 _______________________________________________________________________________________


Part Number MAX19999
Description 3000MHz to 4000MHz Downconversion Mixer
Maker Maxim Integrated Products
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MAX19999 Datasheet PDF





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