www.
DataSheet4U.
com Data Sheet February 1998 T7502 Dual PCM Codec with Filters Features s s s s Applications s s s +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...

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