Product Summary

The IDT821054PQF is a feature rich, single-chip, programmable 4- channel PCM CODEC with on-chip filters. Besides the µ-Law/A-Law companding and linear coding/decoding (14 effective bits + 2 extra sign bits), the IDT821054PQF also provides 1 FSK generator for sending Caller-ID messages, 2 programmable tone generators per channel (which can generate ring signals) and 2 programmable chopper clocks for SLICs.

Parametrics

IDT821054PQF absolute maximum ratings: (1)Power supply voltage: 6.5 V max; (2)Voltage on Any Pin with respect to ground: -0.5 to 5.5 V; (3)Package power dissipation: 1.5 W; (4)Storage temperature: -65 to +150℃.

Features

IDT821054PQF features: (1)4-channel CODEC with on-chip digital filters; (2)Software selectable A/μ-law, linear code conversion; (3)Meets ITU-T G.711 - G.714 requirements ; (4)Programmable digital filters adapting to system demands: AC impedance matching; Transhybrid balance; Frequency response correction; Gain setting; (5)Supports two programmable PCM buses ; (6)Flexible PCM interface with up to 128 programmable time slots, data rate from 512 kbits/s to 8.192 Mbits/s; (7)MPI control interface; (8)Broadcast mode for coefficient setting; (9)7 SLIC signaling pins (including 2 debounced pins) per channel ; (10)Fast hardware ring trip mechanism.

Diagrams

IDT821054PQF block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
IDT821054PQF
IDT821054PQF


IC PCM CODEC QUAD MPI 64-PQFP

Data Sheet

0-84: $4.99
IDT821054PQFG
IDT821054PQFG


IC PCM CODEC QUAD MPI 64-PQFP

Data Sheet

0-1: $6.09
1-25: $4.99
25-100: $4.51
100-250: $4.14
250-500: $3.78
500-1000: $3.29
1000-2500: $3.17
2500-5000: $3.04
5000-10000: $2.98