Description
SN761644 www.ti.com DIGITAL TV TUNER IC Check for Samples: SN761644 SLES252 * NOVEMBER 2009 .
The SN761644 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.
Features
* 1
* Integrated Mixer/Oscillator/PLL and IF GCA
* Mirror Pin Package of SN761640
* VHF-L, VHF-H, UHF 3-Band Local Oscillator
* RF AGC Detector Circuit
* I2C Bus Protocol
Bidirectional Data Transmission
* High-Voltage Tuning Voltage Output
* Four
Applications
* Digital TVs
* Digital CATVs
* Set-Top Boxes
DBT PACKAGE (TOP VIEW)
BS4 UHF RF IN1 UHF RF IN2
VHI RF IN VLO RF IN
RF GND MIX OUT2 MIX OUT1
IF IN RF AGC OUT RF AGC BUF
BS3 BS2 BS1 SDA SCL
AS BUS GND
P5/ADC XTAL OUT
XTAL2 XTAL1
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