Datasheet Details
| Part number | SN761678B |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 394.74 KB |
| Description | TV TUNER |
| Datasheet |
 SN761678B Datasheet
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General Description
The SN761678B 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.
The device is available in a small-outline package.
Key Features
- Single-Chip Mixer/Oscillator and Phase-Locked Loop (PLL) Synthesizer.
- Three-Band Local Oscillator.
- I2C Bus Protocol (Bidirectional Data Transmission).
- 30-V Tuning Voltage Output.
- Four NPN-Type Band-Switch Drivers.
- Programmable Reference Divider Ratio (512, 640, or 1024).
- External 4-Pin Intermediate Frequency (IF) Filter Between Mixer Output and IF Amplifier Input.
- 5-V Power Supply.
- 30-Pin Thin Shrink Small-Outline.