The 821034 is a single-chip, four channel PCM CODEC with onchip filters and programmable gain setting. This device provides both m-Law and A-Law companding digital-to-analog and analog-to-digital conversions based on ITU-T G.711 - G.714 specifications. The digital filters in IDT821034 provides the necessary transmit and receive filtering for voice telephone circuit to interface with time-division multiplexed systems. The IDT821034 has a flexible PCM interface with software selectable timing modes and independently programmable time slot for each transmit and receive channel. It also integrates the SLIC signaling functions through internal registers. The CODEC and SLIC control/status registers are accessed via the Serial Control Interface.

Product Options

Part Number Part Status Pkg. Type Lead Count (#) Pb (Lead) Free Carrier Type Buy Sample
Active PQFP 52 Yes Tray

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
821034 Data Sheet Datasheet PDF 358 KB
Application Notes & White Papers
AN-352: 821034 CODEC & H5503PRC SLIC Reference Design Application Note PDF 201 KB
PCN#: A-0410-02, Change IDT marking logo with new IDT gridless w Product Change Notice PDF 24 KB
PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB
A-0603-04 Transfer TQFP and PQFP from ASAT HK to ASAT China Product Change Notice PDF 164 KB
PCN#: A-0412-04 - To comply with Pb-free labels - Green Products Product Change Notice PDF 80 KB
PCN#: A-0408-01Rev.1, To qualify new mold compound and die attac Product Change Notice PDF 523 KB
PCN#: A-0310-01, Green Products Product Change Notice PDF 26 KB
PCN# G-0206-08, Orientation of square PQFP & TQFP Product Change Notice PDF 150 KB
PCN# G-0203-05 Mold Compound Product Change Notice PDF 40 KB
PCN#: F0107-02: Newave Product Integration Product Change Notice PDF 274 KB
821034 IBIS Model - IBIS TAR 93 KB