Features
– AMBE+™ Vocoder – Toll-Quality at 4.0 kbps User selectable bit rate (2.0 kbps – 9.6 kbps)
– Integrated convolutional and block code Forward Error Correction (FEC)
– Viterbi Decoder (1/4 < rate < 1) with up to 4 bits of soft-decision decoding
– High-performance Voice Activity Detection (VAD) with adaptive Comfort Noise Insertion (CNI)
– Low Delay
– Echo Cancellation

Specifications
Electrical
– Supply: 3.3 Volts
– CMOS I/O Levels: 2.5 V < High < 3.6 V        -0.3 V < Low < 0.8 V
Power Consumption
– Operating: 65 mW (typical)
– Sleep: 33 mW (interface streams active) 3.3 mW (clocks inactive)
Physical
– Package: 100 pin TQFP (industrial grade)
– Temperature Range: -40`C to 85°C (operation) -55°C to 150°C (Storage) Humidity: <95% RH
Serial Interfaces
– Codec (passive): 8 bit ulaw @ 8 kHz. 8 bit alaw 0 8 kHz. 16 bit linear* @ 8 kHz. 16 bit linear* @ 32 kHz. (*recommended for optimum performance)
– Channel (active or passive): Packetized or Unformatted (0, 2, 3, 4 bit per baud)

Alternatives: AMBE2020-10, AMBE202010