Datasheet Details
| Part number | TDA6404 |
|---|---|
| Manufacturer | NXP Semiconductors |
| File Size | 221.56 KB |
| Description | 5 V mixer/oscillator-PLL synthesizers for hyperband tuners |
| Datasheet |
 TDA6404 Datasheet
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General Description
The TDA6404, TDA6405 and TDA6405A are programmable 2-band mixer/oscillator-PLL synthesizers intended for VHF/UHF and hyperband tuners (see Fig.1).
The devices include two double balanced mixers and two oscillators for the VHF and UHF band, an IF amplifier and a PLL synthesizer.
Key Features
- Single chip 5 V mixer/oscillator-PLL synthesizer for hyperband tuners.
- I2C-bus protocol.
- 3 PNP band switch buffers (25 mA).
- 33 V tuning voltage output.
- In-lock detector.
- 5-level Analog-to-Digital Converter (ADC).
- 15-bit programmable divider.
- Programmable reference divider ratio (512, 640 or 1024).
- Programmable charge pump current.
- Balanced mixer with a common emitter input for VHF (single input).