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Data Sheet February 1998
T7502 Dual PCM Codec with Filters
Features
s s s s
Applications
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+5 V only Automatic powerdown mode Low-power, latch-up-free
CMOS technology On-chip sample and hold, autozero, and precision
voltage reference Differential architecture for high noise immunity and power supply rejection Automatic master clock frequency selection 2.
048 MHz or 4.
096 MHz fixed data rate Frame sync controlled channel swapping Differential analog I/O 300 Ω output drivers Operating temperature range: –40 °C to +85 °C A-law companding
Speakerphone Telephone answering device (TAD) POTS for ISDN
Description
The T7502 device is a single-chip, two-channel A-law PCM co...