NXP Semiconductors 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.| Part No. | TDA4657 |
|---|---|
| Datasheet | TDA4657 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Generic multi-standard decoder |
| Buy | Stock & Price |
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 MIN.
