SN761685 Datasheet | Texas Instruments

FEATURES - Mixer/Oscillator for TV Tuner - Three-Band Local Oscillator and Mixer - Local Oscillator Output - 5-V Power Supply - 24-Pin TSSOP Package APPLICATIONS - TV - VCR DESCRIPTION The SN761685 is a monolithic IC designed for TV tuning systems. The circuit consists of a three-band local oscillator and mixer, and is available in a small outline package. UHF OSC1 VLO OSC1 UHF OSC2 VLO OSC2 UHF OSC3 VHI OSC1 UHF OSC4 VHI OSC2 VHI OSC3 GND IFOUT1 IFOUT2 SN761685 TV TUNER IC SLES175 - APRIL 2006 PW PACKAGE (TOP VIEW) 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 MIXOUT1 MIXOUT2 GND UHF IN1 UHF IN2 VLO IN VHI IN1 VHI IN2 VCC OSCOUT1 OSCOUT2 BAND SEL 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 SN761685 TV TUNER IC SLES175 - APRIL 2006 .ti. This integrated circuit can be damaged by ESD. Texas Instruments remends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. UHF IN1 and UHF IN2 (pins 20 and 21) withstand 1 k V, and all other pins withstand 2 k V, according to the human body model (1.5 kΩ, 100 p F). Functional Block Diagram GND VCC UHF OSC4 UHF OSC3 UHF OSC2 UHF OSC1 VHI OSC3 VHI OSC2 VHI OSC1 VLO OSC2 VLO OSC1 BAND SEL VLO IN VHI IN1 VHI IN2 UHF IN1 UHF IN2 VHF- L OSC VHF- H OSC UHF OSC Pin...