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TDA6402

NXP
Part Number TDA6402
Manufacturer NXP
Description 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners
Published Apr 23, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TDA6402; TDA6402A; TDA6403; TDA6403A 5 V mixers/oscillators and synthesizers for cable ...
Datasheet PDF File TDA6402 PDF File

TDA6402
TDA6402

Overview
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 for VHF • 4-pin common emitter oscillator for UHF • IF preamplifier with asymmetrical 75 Ω output impedance to drive a low-ohmic impedance (75 Ω) • Low power • Low radiation • Small size • The TDA6402A and TDA6403A differ from the TDA6402 and TDA6403 by the UHF port protocol in the I2C-bus mode (see Tables 3 and 4).
I2C-bus mode) APPLICATIONS TDA6402; TDA6402A; TDA6403; TDA6403A • Cable tuners for TV and VCR (switched concept for VHF) • Recommended RF bands for the USA: 55.
25 to 133.
25 MHz, 139.
...


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