Philips TDA4657 free download

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INTEGRATED CIRCUITS DATA SHEET TDA4657 Generic multi-standard decoder Preliminary specification File under Integrated Circuits, IC02 June 1993 Philips Semiconductors Preliminary specification Generic multi-standard decoder FEATURES · Low voltage (8 V) · Low power dissipation (250 mW) · Automatic standard recognition · No adjustments required · Reduced external components · Not all time constants integrated (ACC, SECAM de-emphasis). QUICK REFERENCE DATA SYMBOL Supply VP IP Ptot Inputs V9 V20 Outputs V1 colour difference output signals (peak-to-peak value) -(R-Y) output PAL and NTSC 4.43 MHz SECAM V3 -(B-Y) output PAL and NTSC 4.43 MHz SECAM Notes to the quick reference data 1. Within 2 dB output voltage deviation. 2. Burstkey width 4.3 µs Burst width 2.25 µs, ratio burst chrominance amplitude 1/2.2. ORDERING INFORMATION EXTENDED TYPE NUMBER TDA4657 TDA4657T Note 1. SOT146-1; 1996 November 26. 2. SOT163-1; 1996 November 26. June 1993 2 PACKAGE PINS 20 20 PIN POSITION DIL SO MATERIAL plastic plastic independent of supply voltage; note 2 442 950 559 525 665 chrominance input voltage (peak-to-peak value) sandcastle input voltage note 1 20 - 200 - supply voltage supply current total power dissipation VP = 8.0 V; without load VP = 8.0 V; without load 7.2 25 - 8.0 31 248 PARAMETER CONDITIONS GENERAL DESCRIPTION TDA4657 The TDA4657 is a monolithic integrated multi-standard colour decoder for PAL, SECAM and NTSC 4.43 MHz with negative colour difference output signals. It is adapted to the integrated baseband delay line TDA4660/61. MIN. TYP. MAX. UNIT 8.8 37 296 V mA mW 400 13.2 mV V 624 791 mV mV mV mV 1050 1150 1200 1330 1460 CODE SOT146(1) SOT163A(2) Philips Semiconductors Preliminary specification Generic multi-standard decoder TDA4657 June 1993 3 Fig.1 Block diagram. Philips Semiconductors Preliminary specification Generic multi-standard decoder PINNING SYMBOL -(R-Y)O DEEM -(B-Y)O CFOB GND IREF VP CFOR CHRI CACC HUE NIDT PIDT OSC PLL 2FSC No SECo PALo SC PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DESCRIPTION colour difference signal output -(R-Y)* for baseband delay line external capacitor for SECAM de-emphasis colour difference signal output -(B-Y)* for baseband delay line external capacitor SECAM demodulator control (B-Y) Channel ground external resistor for SECAM oscillator supply 8 V external capacitor SECAM demodulator control (R-Y) Channel chrominance signal input external capacitor for ACC control input for HUE control and service switch external capacitor for identification circuit (NTSC) external capacitor for identification circuit (PAL and SECAM) PAL crystal external loop filter 2 Ч fsc output standard setting input/output for NTSC 4.43 standard setting input/output for SECAM standard setting input/output for PAL sandcastle input TDA4657 Fig.2 Pin configuration. June 1993 4 Philips Semiconductors Preliminary specification Generic multi-standard decoder FUNCTIONAL DESCRIPTION The IC contains all