SN761668DBTR [Texas Instruments]

The SN761668 is a low-phase-noise synthesized tuner IC with integrated mixer, oscillator, PLL, and IF gain-controlled amplifier. It features VHF-L, VHF-H, and UHF band local oscillators, RF AGC detector, external IF filter, I2C bus protocol, high-voltage tuning output, four NPN band-switch drivers, auxiliary port with 5-level ADC, crystal oscillator output, programmable reference divider ratios, low-distortion IF gain control, standby mode, and operates on a 5V power supply in a 44-pin TSSOP package.