TDA4657 - NXP

TDA4657 Generic multi-standard decoder

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) .

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 E.