AS2522B SINGLE CHIP PHONE
Speakerphone IC with a Serial Interface to Standard CPU
The AS2522B is speaker phone IC for enhanced handsfree feature phones with CallerID and extended displays and incorporates a DTMF, FSK transmitter, single tone and ringer tone generator.The AS2522 allows for use of an off-the-shelf microprocessor without special blocks and functions for telephone applications. The DTMF, FSK transmitter, single tone and ringer tone generator can be controlled via the serial interface as well as the gain settings in handset and handsfree mode.
Enhanced handsfree feature phones with caller ID and extended displays.
(click to enlarge)
AS2522B 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-32,die on foil