U3810BM circuit equivalent, multi standard feature phone integrated circuit.
D Slope of DC characteristics adjustable by an external
resistor
TELEFUNKEN Semiconductors
D Loudhearing gain programmable in eight steps of 4 dB,
using the serial bus,.
D Feature phones D Answering machines D Fax machines
Benefits
D Complete system integration of analog signal
processing.
The U3810BM multi-standard feature phone circuit is designed to be used with a microcontroller using a 2-wire serial bus. It performs all speech and line interface functions required in an electronic telephone set: the ringing function with switching.
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