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TCM320AC38 - VOICE-BAND AUDIO PROCESSORS

General Description

The TCM320AC38 and TCM320AC39 voice-band audio processor (VBAP) integrated circuits are designed to perform the transmit encoding (A /D conversion) and receive decoding (D/A conversion) together with transmit and receive filtering for voice-band communications systems.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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D Single 5-V Operation D Low Power Consumption: – Operating Mode . . . 40 mW Typ – Standby Mode . . . 5 mW Typ – Power-Down Mode . . . 3 mW Typ D Combined A/D, D/A, and Filters D Extended Variable-Frequency Operation – Sample Rates up to 16 kHz – Pass-Band up to 7.2 kHz D Electret Microphone Bias Reference Voltage Available D Drive a Piezo Speaker Directly D Compatible With All Digital Signal Processors (DSPs) TCM320AC38, TCM320AC39 VOICE-BAND AUDIO PROCESSORS (VBAP™) SLWS004B – JUNE 1992 – REVISED JUNE 1996 D Selectable Between 8-Bit Companded and 13-Bit (Dynamic Range) Linear Conversion: – TCM320AC38 . . . µ-Law and Linear Modes – TCM320AC39 . . . A-Law and Linear Modes D Programmable Volume Control in Linear Mode D 300 Hz – 3.