DESCRIPTION

· Quad Programmable PCM CODEC with MPI Interface

· 4-channel CODEC with on-chip digital filters

· Supports software selectable A/µ-law, linear code conversion

· Meets ITU-T G.711 - G.714 requirements

· Operates with a single +5 V power supply

· Available in 64 Pin TQFP package

FEATURES

· Programmable digital filters for AC impedance matching, transhybrid balance, frequency response correction, and gain setting

· Flexible PCM interface with up to 128 programmable time slots, data rate from 512 kbits/s to 8.192 Mbits/s

· MPI control interface and broadcast mode for coefficient setting

· 7 SLIC signaling pins per channel, including 2 debounced pins

· Fast hardware ring trip mechanism and 2 programmable tone generators per channel

· Master clock frequency selectable from 1.536 MHz to 8.192 MHz

· Advanced test capabilities including analog and digital loopback tests, and level metering function

· High analog driving capability (300 Ω AC) and TTL/CMOS compatible digital I/O

· Low power consumption and operating temperature range from -40 °C to +85 °C

APPLICATIONS

· Telecommunications systems requiring ITU-T G.711 - G.714 compliance

· Systems needing programmable digital filters and flexible PCM interfaces

· Applications requiring advanced test capabilities and high analog driving capability

· Industrial environments with a wide operating temperature range