AS2507
AS2507 is SINGLE CHIP 2-WIRE INTERCOM CMOS INTEGRATED CIRCUIT manufactured by austriamicrosystems AG.
Preliminary Data Sheet
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Austria Mikro Systeme International AG
Key Features
Line/speech circuit and signalling on one 14 pin CMOS chip
Only 2 wires needed for power supply, signalling and speech
Soft clipping to avoid harsh distortion Fully integrated 2/4 wire conversion Side tone cancellation Low noise Signalling with FSK modem Low standby power consumption allows parallel operation of up to 25 terminals on a bus pair with central supply
Parallel operation of up to 70 terminals if supplied locally
Controllable via simple µC interface Very few external ponents
Application
Entrance telephone system, inter and data transmission, alarm systems, toy phone
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