SN761683B Datasheet PDF Download, etcTI





(PDF) SN761683B Datasheet Download

Part Number SN761683B
Description TV TUNER IC
Manufacture etcTI
Total Page 20 Pages
PDF Download Download SN761683B Datasheet PDF

Features: www.ti.com FEATURES • Single-Chip Mixe r/Oscillator and Phase-Locked Loop (PLL ) Synthesizer • Three-Band Local Osci llator and Mixer • Inter-Integrated C ircuit (I2C) Bus Protocol (Bidirectiona l Data Transmission) • 30-V Tuning-Vo ltage Output • Four NPN-Type Band-Swi tch (BS) Drivers • Programmable Refer ence Divider Ratio (512, 640, or 1024) • 5-V Power Supply • 32-Pin Thin Sh rink Small-Outline Package (TSSOP) APPL ICATIONS • TVs • VCR/DVD Recorders • Set-Top Boxes DESCRIPTION The SN761 683B is a synthesized tuner IC designed for TV tuning systems. The circuit con sists of a phase-locked loop (PLL) synt hesizer, three-band local oscillator an d mixer, 30-V output tuning amplifier, and four NPN band-switch drivers, and i s available in a small-outline package. A 15-bit programmable counter and refe rence divider are controlled by inter-i ntegrated circuit (I2C) bus protocol. SN761683B TV TUNER IC SLES180 – MAY 2 006 TSSOP PACKAGE (TOP VIEW) VLO OSC B VLO OSC C OSC GND VHI OSC B VHI OSC C UHF OSC .

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www.ti.com
FEATURES
Single-Chip Mixer/Oscillator and
Phase-Locked Loop (PLL) Synthesizer
Three-Band Local Oscillator and Mixer
Inter-Integrated Circuit (I2C) Bus Protocol
(Bidirectional Data Transmission)
30-V Tuning-Voltage Output
Four NPN-Type Band-Switch (BS) Drivers
Programmable Reference Divider Ratio
(512, 640, or 1024)
5-V Power Supply
32-Pin Thin Shrink Small-Outline Package
(TSSOP)
APPLICATIONS
TVs
VCR/DVD Recorders
Set-Top Boxes
DESCRIPTION
The SN761683B is a synthesized tuner IC designed
for TV tuning systems. The circuit consists of a
phase-locked loop (PLL) synthesizer, three-band
local oscillator and mixer, 30-V output tuning
amplifier, and four NPN band-switch drivers, and is
available in a small-outline package. A 15-bit
programmable counter and reference divider are
controlled by inter-integrated circuit (I2C) bus
protocol.
SN761683B
TV TUNER IC
SLES180 – MAY 2006
TSSOP PACKAGE
(TOP VIEW)
VLO OSC B
VLO OSC C
OSC GND
VHI OSC B
VHI OSC C
UHF OSC B1
UHF OSC C1
UHF OSC C2
UHF OSC B2
IF GND
IF OUT1
IF OUT2
VCC
CP
VTU
XTAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 UHF RF IN2
31 UHF RF IN1
30 VHF RF IN2
29 VHF RF IN1
28 RF GND
27 MIX OUT2
26 MIX OUT1
25 BS4
24 BS3
23 BS2
22 BS1
21 NC
20 ADC
19 AS
18 SDA
17 SCL
NC – No internal connection
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 © 2006, Texas Instruments Incorporated

                    
                    






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