Datasheet Details
| Part number | SN761646 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 663.86 KB |
| Description | DIGITAL TV TUNER IC |
| Datasheet |
 SN761646 Datasheet
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General Description
The SN761646 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.
The circuit consists of a PLL synthesizer, two-band local oscillator and mixer, RF AGC detector circuit and IF gain controlled amplifier, and is available in a small outline package.
Key Features
- 1.
- Integrated Mixer/Oscillator/PLL and IF GCA.
- VHF-H, UHF 2-Band Local Oscillator.
- I2C Bus Protocol (Fixed Address).
- 30-V Tuning Voltage Output.
- Two General Purpose Ports.
- Selectable Wide/Narrow Band RF AGC Detector.
- Crystal Oscillator 4 MHz/8 MHz/16 MHz Support.
- Programmable Reference Divider Ratio (24/28/48/56/64/96/128).
- IF GCA Enable/Disable Control.
- Standby Mode.
- 5-V Power Supply.
- 32-.