Product Summary

The TP3057BN is comprised of a single-chip PCM codec (pulse-code-modulated encoder and decoder) and PCM line filter. The TP3057BN provides all the functions required to interface a full-duplex (2-wire) voice telephone circuit with a TDM (time-division-multiplexed) system.

Parametrics

TP3057BN absolute maximum ratings: (1)Supply voltage, VCC: 7 V; (2)Supply voltage, VBB: –7 V; (3)Voltage range at any analog input or output: VCC +0.3 V to VBB –0.3 V; (4)Voltage range at any digital input or output: VCC +0.3 V to ANLG GND –0.3 V; (5)Continuous total dissipation: See Dissipation Rating Table; (6)Operating free-air temperature range: 0℃ to 70℃; (7)Storage temperature range, Tstg: –65℃ to 150℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: DW or N package: 260℃.

Features

TP3057BN features: (1)m-Law – TP3054B and TP13054B; (2)A-Law – TP3057B and TP13057B; (3)±5-V Operation; (4)Low Operating Power: 50 mW Typ; (5)Power-Down Standby Mode: 3 mW Typ; (6)Automatic Power Down; (7)TTL- or CMOS-Compatible Digital Interface; (8)Maximizes Line Interface Card Circuit Density.

Diagrams

TP3057BN functional block diagram

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TP3057BN
TP3057BN

Texas Instruments

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