MV3507A - Plessey

MV3507A CODEC

MV350S/350713507A MV3506 A-LAW CODEC WITH FILTER MV3507 jJ.-LAW CODEC WITH FILTER MV3507A jJ-LAW CODEC WITH FILTER AND AlB SIGNALLING The MV3506 and MV3507 are silicon gate CMOS Companding Encoder/Decoder integrated circuits designed to implement the per channel voice frequency Codecs used in PCM systems The chips contain the band-limiting filters and the .

Features

• Independent Transmit and Receive Sections with 75dB Isolation
• Low power CMOS 80mW (Operating) 1OmW (Standby)
• Stable Voltage Reference On-chip
• Meets or Exceeds AT&T 03, and CCITT G.711, G.712 and G.733 Specifications
• Input Analogue Filter- Eliminates Need for External Anti-aliasing Prefilter
• Input/Output Op. Amps for Programming Gain
• Output Op. Amp Provides ±3.1 V Into a 1200 Ohms load or Can Be Switched Off for Reduced Power (70mW)
• Special Idle Channel Noise Reduction Circuitry
• Encoder has Dual-speed Auto-zero Loop for Fast Acquisition on Power-up
• Low Absolute Group Delay =.