TDA8822

INTEGRATED CIRCUITS DATA SHEET TDA8822 Universal I2C-bus programmable RF modulator Preliminary specification File under Integrated Circuits, IC02 1997 Jan 08 Philips Semiconductors Preliminary specification Universal I2C-bus programmable RF modulator FEATURES 5 V power supply Video amplifier with clamp and white clip circuits Programmable video modulation depth FM sound modulator (4.5, 5.5, 6.0 and 6.5 MHz) Programmable picture-to-sound ratio Programmable deviation of the sound subcarrier Input for modulated NICAM sound subcarrier or second frequency modulated sound subcarrier Asymmetrical or symmetrical RF output buffer Symmetrical RF oscillator for UHF or VHF band according to the application One I2C-bus programmable output port On-chip Phase-Locked Loop (PLL) frequency synthesizer for the RF carrier On-chip PLL frequency synthesizer for the sound carrier On-chip power supply regulator and/or hardware controlled Test On-chip Pattern Signal Generator (TPSG) with LED driver I2C-bus RF output switch-off during tuning. APPLICATIONS Video recorders Cable converters Satellite receivers Set top boxes. ORDERING INFORMATION TYPE NUMBER TDA8822T TDA8822M PACKAGE NAME SO24 SSOP24 DESCRIPTION plastic small outline package; 24 leads; body width 7.5 mm plastic shrink small outline package; 24 leads; body width 5.3 mm GENERAL DESCRIPTION TDA8822 The TDA8822 is a programmable modulator which generates an RF TV channel from a baseband video signal ...