TDA6403A
Overview
- Single-chip 5 V mixer/oscillator and synthesizer for cable TV and VCR tuners
- Synthesizer function compatible with existing TSA5526
- Universal bus protocol (I2C-bus or 3-wire bus) - Bus protocol for 18 or 19-bit transmission (3-wire bus) - Extra protocol for 27-bit transmission (test modes and features for 3-wire bus) - Address + 4 data bytes transmission (I2C-bus ‘write’ mode) - Address + 1 status byte (I2C-bus ‘read’ mode) - 4 independent I2C-bus addresses.
- 1 PNP buffer for UHF band selection (25 mA)
- 3 PNP buffers for general purpose, e.g. 2 VHF sub-bands, FM sound trap (25 mA)
- 33 V tuning voltage output
- In-lock detector
- 5-step A/D converter (3 bits in
- 15-bit programmable divider
- Programmable reference divider ratio (512, 640 or 1024)
