SN761667 Datasheet PDF Download, etcTI





(PDF) SN761667 Datasheet Download

Part Number SN761667
Description DIGITAL TV TUNER IC
Manufacture etcTI
Total Page 24 Pages
PDF Download Download SN761667 Datasheet PDF

Features: www.ti.com FEATURES • Integrated Mixer /Oscillator/PLL and IF GCA • VHF-L, V HF-H, UHF Three-Band Local Oscillator RF AGC Detector Circuit • I2C Bus Protocol Bidirectional Data Transmissio n • High-Voltage Tuning Voltage Outpu t • Four NPN-Type Band-Switch Drivers • One Auxiliary Port/5-Level ADC • Crystal Oscillator Output • Programm able Reference Divider Ratio (24/28/50/ 64/80/128) • Low Distortion IF Gain C ontrolled Amplifier • Standby Mode 5-V Power Supply • 40-Pin Quad Flat pack No-Lead (QFN) Package SN761667 DI GITAL TV TUNER IC SLES200 – JANUARY 2 007 QFN PACKAGE (TOP VIEW) OSC GND VHI OSC C VHI OSC B VLO OSC C VLO OSC B BS 4 UHF RF IN1 UHF RF IN2 VHI RF IN VLO R F IN UHF OSC B1 UHF OSC C1 UHF OSC C2 UHF OSC B2 IF GND IF OUT1 IF OUT2 CP VT U V CC 40 39 38 37 36 35 34 33 32 31 1 30 2 29 3 28 4 27 5 26 6 25 7 24 8 23 9 22 10 21 11 12 13 14 15 16 17 18 19 2 0 RF GND MIXOUT1 MIXOUT2 RF AGC OUT RF AGC FIL BS3 BS2 BS1 SDA SCL IF GCA IN1 IF GCA IN2 IF GCA CTRL IF GCA OUT2 IF GCA OUT1 P5/.

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www.ti.com
FEATURES
Integrated Mixer/Oscillator/PLL and IF GCA
VHF-L, VHF-H, UHF Three-Band Local
Oscillator
RF AGC Detector Circuit
I2C Bus Protocol Bidirectional Data
Transmission
High-Voltage Tuning Voltage Output
Four NPN-Type Band-Switch Drivers
One Auxiliary Port/5-Level ADC
Crystal Oscillator Output
Programmable Reference Divider Ratio
(24/28/50/64/80/128)
Low Distortion IF Gain Controlled Amplifier
Standby Mode
5-V Power Supply
40-Pin Quad Flatpack No-Lead (QFN) Package
SN761667
DIGITAL TV TUNER IC
SLES200 – JANUARY 2007
QFN PACKAGE
(TOP VIEW)
UHF OSC B1
UHF OSC C1
UHF OSC C2
UHF OSC B2
IF GND
IF OUT1
IF OUT2
CP
VTU
V
CC
40 39 38 37 36 35 34 33 32 31
1 30
2 29
3 28
4 27
5 26
6 25
7 24
8 23
9 22
10 21
11 12 13 14 15 16 17 18 19 20
RF GND
MIXOUT1
MIXOUT2
RF AGC OUT
RF AGC FIL
BS3
BS2
BS1
SDA
SCL
APPLICATIONS
Digital TV
Digital CATV
Set-Top Box
DESCRIPTION
The SN761667 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems. The circuit
consists of a PLL synthesizer, three-band local oscillator and mixer, RF AGC detector circuit, and IF
gain-controlled amplifier. The SN761667 is available in a small QFN package.
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

                    
                    






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