QComboE FOUR-CHANNEL QUAD PCM COMBOThe TCM38C17IDL QCombo is a 4-channel
single-chip PCM combo (pulse-code-modulated
CODEC with a voice-band filtering) device. It
performs the transmit encoding (A/D conversion)
and receive decoding (D/A conversion), as well as the transmit and receive filtering functions required to meet
CCITT G.711 and G.714 specifications in a PCM system. Each channel provides all the functions required to
Interface a full-duplex, 4-line voice telephone circuit with a TDM (time-division-multiplexed) system. The
TCM38C17IDL is specifically designed for fixed-data-rate applications and is intended to replace four
TCM29C13-type devices.
Primary applications include digital transmission and switching of E1 Carrier PABX (private Automatic branch
exchange), and central office telephone systems and subscriber line concentrators. The device serves as the
Analog termination of a PCM line or trunk to the POTS (plain old telephone system) local-loop line.
Other applications include any PCM digital-audio Interface such as voice-band data storage systems and many
digital signal processing applications that CAN benefit from the reduced footprint of a quad codec configuration
and single-rail operation. Dynamic range and excellent idle-channel noise performance are maintained using
the TI advanced 4Vt process technologies. By Texas Instruments
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TCM38C17IDL Pb-Free | TCM38C17IDL Cross Reference | TCM38C17IDL Schematic | TCM38C17IDL Distributor |
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