TDA6403A

INTEGRATED CIRCUITS DATA SHEET TDA6402; TDA6402A; TDA6403; TDA6403A 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners Product specification Supersedes data of 1998 Jul 28 File under Integrated Circuits, IC02 2000 Jan 24 Philips Semiconductors Product specification 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners FEATURES 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) Programmable charge pump current (60 or 280 µA) Programmable automatic charge pump current switch Varicap drive disable Mixer/oscillator function compatible with existing TDA5732 Balanced mixer with a common emitter input for VHF (single input) Balanced mixer with a common base input for UHF (balanced input) 2-pin common emitter oscillator fo...