Description
SN761640 www.ti.com SLES237 * OCTOBER 2008 DIGITAL TV TUNER IC .
The SN761640 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.
Features
* 1
* Integrated Mixer/Oscillator/PLL and IF GCA
* 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 NPN-Type Band Switch Drivers
* O
Applications
* Digital TVs
* Digital CATVs
* Set-Top Boxes
DBT PACKAGE (TOP VIEW)
VLO OSC B
VLO OSC C VHI OSC B VHI OSC C UHF OSC B1 UHF OSC C1 UHF OSC C2 UHF OSC B2 OSC GND
CP VTU IF GND AIF OUT DIF OUT1 DIF OUT2
IFGCA CTRL VCC
IF GCA IN1 IF GCA IN2 IF GCA GND IF GCA OUT2 IF GCA OUT1