NXP Semiconductors TDA4557
The TDA4557 is a monolithic integrated multistandard colour decoder for the PAL, SECAM, NTSC 3.58 MHz and NTSC 4.43 MHz standards.| Part No. | TDA4557 |
|---|---|
| Datasheet | TDA4557 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Multistandard decoder |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
Chrominance part● Gain controlled chrominance amplifier for PAL, SECAM and NTSC
● ACC rectifier circuits (PAL/NTSC, SECAM)
● Burst blanking (PAL) in front of 64 µs glass delay line
● Chrominance output stage for driving the 64 µs glass delay line (PAL, SECAM)
● Limiter stages for direct and delayed SECAM signal
● SECAM permutator Demodulator part
● Flyback blanking incorporated in the demodulators (PAL, NTSC, SECAM)
● PAL switch
● Internal PAL matrix QUICK REFERENCE DATA PARAMETER Supply voltage (pin 13) Supply current (pin 13) Chrominance input voltage (peak-to-peak value) Chrominance output voltage (peak-to-peak value) Colour difference output voltages (peak-to-peak values) −(R-Y) −(B-Y) Sandcastle pulse (pin 24) Required amplitude to separate vertical and horizontal pulse horizontal pulse burst gating pulse PACKAGE OUTLINE 28-lead DIL; plastic (SOT117); SOT117-1; 1996 November 27. March 1991 2 V24(p-p) V24(p-p) V24(p-p) 2.0 4.1 7.7 2.5 4.5 − V1(p-p) V3(p-p) − − 1.05 V ± 2 dB 1.33 V ± 2 dB − − V12(p-p) − 1.6 − V15(p-p) 20 100 IP SYMBOL VP MIN.
