AS2525 SINGLE CHIP PHONE
Single-Chip Speakerphone IC with a Serial Interface to a EEPROM
The AS2525 is a single-chip IC for feature phones, answering machines and fax machines. It contains an analog line interface and speech circuit for a/b terminals, loudhearing, handsfree, enhanced LD/MF dialler, tone ringer with DC-DC converter and serial interface to EEPROM. The circuit is fully line powered and uses an external EEPROM for a 32 digit last number redial storage and memories for 28 numbers each containing up to 24 digits/data.
Enhanced handsfree feature phones, answering machines and fax machines.
(click to enlarge)
AS2525 PRODUCT FACTS
|Supply voltage [V]||3.0 to 5.0|
|Operating range [mA]||15 to 150|
|Temperature range [°C]||-25 to 70|
|Last number + memory dialing|
TQFP-44,die on foil