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SN761662 Datasheet

Part Number SN761662
Manufacturers Texas Instruments
Logo Texas Instruments
Description DTV TUNER IC
Datasheet SN761662 DatasheetSN761662 Datasheet (PDF)

www.ti.com FEATURES • Low-Phase-Noise Mixer/Oscillator and PLL Synthesizer • VHF-L, VHF-H, UHF Three-Band Local Oscillator • I2C Bus Protocol (Bidirectional Data Transmission) • 30-V Tuning Voltage Output • Four NPN-Type Band-Switch Drivers • One Auxiliary-Port, Five-Level ADC • RF AGC Detector Circuit • Crystal Oscillator Output • Programmable Reference Divider Ratio (24/28/50/64/80/128) • Standby Mode • 5-V Power Supply • 38-Pin TSSOP Package APPLICATIONS • Digital TV • Digital CATV • Set-Top .

  SN761662   SN761662






Part Number SN761668
Manufacturers Texas Instruments
Logo Texas Instruments
Description DIGITAL TV TUNER
Datasheet SN761662 DatasheetSN761668 Datasheet (PDF)

SN761668 www.ti.com .... SLES199E – JANUARY 2007 – REVISED APRIL 2008 DIGITAL TV TUNER IC FEATURES 1 • Integrated Mixer/Oscillator/PLL and IF GCA • VHF-L, VHF-H, UHF 3-Band Local Oscillator • RF AGC Detector Circuit • External 4-Pin IF Filter Between Mixer Output and IF Amplifier Input • 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 D.

  SN761662   SN761662







Part Number SN761667
Manufacturers Texas Instruments
Logo Texas Instruments
Description DIGITAL TV TUNER
Datasheet SN761662 DatasheetSN761667 Datasheet (PDF)

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).

  SN761662   SN761662







Part Number SN761666
Manufacturers Texas Instruments
Logo Texas Instruments
Description AGC AMPLIFIER
Datasheet SN761662 DatasheetSN761666 Datasheet (PDF)

www.ti.com SN761666 AGC AMPLIFIER SLES183 – JUNE 2006 FEATURES • Low-Distortion Automatic Gain Control (AGC) Amplifier • 5-V Power Supply • 8-Pin Mini Small-Outline Package (MSOP) VCC 1 IN1 2 DGK PACKAGE (TOP VIEW) 8 GND1 7 OUT1 APPLICATIONS • Digital TVs • Digital CATVs • Digital Set-Top Boxes (STBs) DESCRIPTION IN2 3 AGC 4 AGC Control 6 OUT2 5 GND2 P0026-03 The SN761666 is an automatic gain control (AGC) amplifier for the TV tuner system of a digital TV, CATV, or STB. The circuit con.

  SN761662   SN761662







Part Number SN761664
Manufacturers Texas Instruments
Logo Texas Instruments
Description DTV TUNER IC
Datasheet SN761662 DatasheetSN761664 Datasheet (PDF)

www.ti.com FEATURES • Low-Phase-Noise Mixer/Oscillator and PLL Synthesizer • VHF-L, VHF-H, UHF Three-Band Local Oscillator • External 4-Pin IF Filter Between Mixer Output and IF Amplifier Input • I2C Bus Protocol (Bidirectional Data Transmission) • 30-V Tuning Voltage Output • Four NPN-Type Band-Switch Drivers • One Auxiliary-Port, Five-Level ADC • RF AGC Detector Circuit • Crystal Oscillator Output • Programmable Reference Divider Ratio (24/28/50/64/80/128) • Standby Mode • 5-V Power Supply • 3.

  SN761662   SN761662







Part Number SN761663
Manufacturers Texas Instruments
Logo Texas Instruments
Description AGC AMPLIFIER
Datasheet SN761662 DatasheetSN761663 Datasheet (PDF)

www.ti.com AGC Amplifier FEATURES • Low-Distortion AGC Amplifier • Wide Gain-Control Range • 5-V Power Supply • 8-Pin MSOP Package APPLICATIONS • Digital TV • Digital CATV, STB DESCRIPTION The SN761663 is an AGC amplifier for the TV tuner system of a digital TV, CATV, or STB. The circuit consists of three stages of controlled-gain amplification, followed by a fixed-gain output amplifier. The device is packaged in an 8-pin MSOP suitable for surface mounting. VCC 1 IN1 2 IN2 3 AGC 4 SN761663 S.

  SN761662   SN761662







DTV TUNER IC

www.ti.com FEATURES • Low-Phase-Noise Mixer/Oscillator and PLL Synthesizer • VHF-L, VHF-H, UHF Three-Band Local Oscillator • I2C Bus Protocol (Bidirectional Data Transmission) • 30-V Tuning Voltage Output • Four NPN-Type Band-Switch Drivers • One Auxiliary-Port, Five-Level ADC • RF AGC Detector Circuit • Crystal Oscillator Output • Programmable Reference Divider Ratio (24/28/50/64/80/128) • Standby Mode • 5-V Power Supply • 38-Pin TSSOP Package APPLICATIONS • Digital TV • Digital CATV • Set-Top Box DESCRIPTION The SN761662 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, 30-V output tuning amplifier, four NPN band-switch drivers, and is available in a small-outline package. A 15-bit programmable counter and reference divider are controlled by I2C bus protocol. Tuning step frequency is selectable by this reference divider ratio for a crystal oscillator. SN761662 DTV TUNER IC SLES161 – NOVEMBER 2005 DBT 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 P5/ADC XTAL1 XTAL2 XTALOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 38 UHF RF IN2 37 UHF RF IN1 36 VHI RF IN 35 VLO RF IN 34 BS4 33 RF GND 32 MIXOUT2 31 MIXOUT1 30 NC 29 BUS GND 28 RF AGC 27 AGC FIL2 26 AGC FIL1 25 BS3 24 BS2 23 BS1 22 SDA 21 SCL 20 AS P0034-02 Please be aware that an important notice concerni.


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