TDA4662

INTEGRATED CIRCUITS DATA SHEET TDA4662 Baseband delay line Product specification Supersedes data of 1995 Oct 30 File under Integrated Circuits, IC02 1996 Nov 14 Philips Semiconductors Product specification Baseband delay line FEATURES Two comb filters, using the switched-capacitor technique, for one line delay time (64 µs) For PAL and NTSC Adjustment-free application Handles negative or positive colour-difference input signals Clamping of AC-coupled input signals [±(R−Y) and ±(B−Y)] VCO without external components 3 MHz internal clock signal derived from a 6 MHz CCO, line-locked by the sandcastle pulse (64 µs line) Sample-and-hold circuits and low-pass filters to suppress the 3 MHz clock signal Addition of delayed and non-delayed output signals Output buffer amplifiers Comb filtering functions for NTSC colour-difference signals to suppress cross-colour. QUICK REFERENCE DATA SYMBOL VP1 VP2 IP(tot) Vi(p-p) Gv PARAMETER analog supply voltage (pin 9) digital supply voltage (pin 1) total supply current MIN. 4.5 4.5 − 5 5 5.5 525 665 5.8 5.8 TYP. 6 6 GENERAL DESCRIPTION TDA4662 The TDA4662 is an integrated baseband delay line circuit with one line delay. It is suitable for PAL and NTSC decoders with colour-difference signal outputs ±(R−Y) and ±(B−Y). MAX. V V UNIT 7.0 − − 6.3 6.3 mA mV mV dB dB ±(R−Y) input signal PAL/NTSC (peak-to-peak value; pin 16) − ±(B−Y) input signal PAL/NTSC (peak-to-peak value; pin 14) − voltage gain VO/VI of colour-differenc...