TRF3710 Datasheet, PDF (1/30 Pages) Texas Instruments – IQ DEMODULATOR

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IQ DEMODULATOR
TRF3710
SLWS199 – AUGUST 2007
FEATURES
1
• Frequency Range: 1.7–2.0 GHz
• Integrated Baseband Programmable Gain
Amplifier
• On Chip Programmable Baseband Filter
• High Cascaded IP3: 21 dBm at 1.9 GHz
• High IP2: 60 dBm at 1.9 GHz
• Hardware and Software Power Down
• 3-Wire Serial Programmable Interface
• Single Supply: 4.5 V to 5.5 V Operation
APPLICATIONS
• Wireless Infrastructure
– WCDMA
– CDMA
• Wireless Local Loop
• High Linearity Direct-Down Conversion
Receiver
To Microcontroller
To Microcontroller
RF in
GNDDIG
VCCDIG
CHIP_EN
VCCMIX
NC
MIXinp
MIXinn
NC
VCCMIX
NC
NC
NC
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
31
TRF3710
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
VCCBBI
AGND
To ADC in phase
BBIoutp
BBIoutn
NC
LOip
Local Osc
LOin
VCCLO
BBQoutp
BBQoutn
To ADC Quadrature
AGND
VCCBBQ
30 kW
DESCRIPTION
The TRF3710 is a highly linear and integrated direct-conversion Quadrature Demodulator optimized for
Third-Generation (3G) wireless infrastructure. The TRF3710 integrates balanced I and Q mixers, LO buffers and
phase splitters to convert an RF signal directly to I and Q baseband. The on-chip Programmable-Gain Amplifiers
allow adjustment of the output signal level without the need for external variable-gain (attenuator) devices. The
TRF3710 integrates programmable baseband low-pass filters that attenuate nearby interference, eliminating the
need for an external baseband filter.
Housed in a 7X7mm QFN package, the TRF3710 provides the smallest and most integrated receiver solution
available for high performance equipment.
AVAILABLE DEVICE OPTIONS
PRODUCT
TRF3710
PACKAGE
LEAD
PACKAGE
DESIGNATOR ⁽¹⁾
SPECIFIED
TEMPERATURE
RANGE
QFN-48
RGZ
–40°C to 85°C
PACKAGE
MARKINGS
TRF3710
ORDERING
NUMBER
TRF3710IRGZR
TRF3710IRGZT
TRANSPORT MEDIA,
QUANTITY
Tape and Reel, 2500
Tape and Reel, 500
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated