The AS253x is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality line/speech circuit. A RAM is on chip for a 31 digit last number redial and memories (not AS2534) each containing .
u Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip u Operating range from 13 to 100 mA (down to 5 mA with reduced performance) u Soft clipping to avoid harsh distortion u Volume control of receive signal u Line loss compensation selectable by pin option u Low noise (max. - 72 dBmp) u Real or complex impedance u NET 4 compatible u LD/MF switchable dialling u Pacifier tone during programming u 31 digit last number redial u Repertory memories (not AS2534), 4 direct/10 indirect (AS2533/6), 12 direct (AS2535) u Repeat dialling by busy or engaged (not AS2535) u Sl.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AS2533 |
austriamicrosystems AG |
Multi-Standard CMOS Single Chip Telephone IC | |
2 | AS2534B |
austriamicrosystems AG |
Multi-Standard CMOS Single Chip Telephone IC | |
3 | AS2534E |
austriamicrosystems AG |
Multi-Standard CMOS Single Chip Telephone IC | |
4 | AS2535 |
austriamicrosystems AG |
Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping | |
5 | AS2536 |
austriamicrosystems AG |
Multi-Standard CMOS Single Chip Telephone IC with Dual Soft Clipping | |
6 | AS2504 |
austriamicrosystems AG |
Cordless telephone / answering machine line interface | |
7 | AS2507 |
austriamicrosystems AG |
SINGLE CHIP 2-WIRE INTERCOM CMOS INTEGRATED CIRCUIT | |
8 | AS2520 |
austriamicrosystems AG |
Telephone Speech Circuit with Loudhearing and Handsfree | |
9 | AS2520B |
austriamicrosystems AG |
Telephone Speech Circuit with Loudhearing and Handsfree | |
10 | AS2521 |
austriamicrosystems AG |
Telephone Speech Circuit with Loudhearing and Handsfree | |
11 | AS2521B |
austriamicrosystems AG |
Telephone Speech Circuit with Loudhearing and Handsfree | |
12 | AS2522B |
austriamicrosystems AG |
Telephone Line Interface and Speakerphone Circuit |