(China (Mainland))
Product Summary
The MT9196AS is an Integrated Digital Phone Circuit (IDPC). It is designed for use in digital phone products. The MT9196AS incorporates a built-in Filter/Codec, digital gain pads, DTMF generator and tone ringer. Complete telephony interfaces are provided for connecting to handset and speakerphone transducers. Internal register access is provided through a serial microport compatible with various industry standard micro-controllers. The applications of the MT9196AS are Digital telephone sets, Wireless telephones and Local area communications stations.
Parametrics
MT9196AS absolute maximum ratings: (1)Supply Voltage VDD - VSS: - 0.3 to 7 V; (2)Voltage on any I/O pin VI/VO VSS - 0.3 to VDD + 0.3 V; (3)Current on any I/O pin (transducers excluded) II/IO ± 20 mA; (4)Storage Temperature TS - 65 to + 150℃; (5) Power Dissipation (package) Plastic PD 750 mW.
Features
MT9196AS features: (1)Programmable m-Law/A-Law CODEC and Filters; (2)Programmable CCITT (G.711)/sign-magnitude coding; (3)Programmable transmit, receive and side-tone gains; (4)Digital DTMF and single tone generation; (5)Fully differential interface to handset transducers; (6)Auxiliary analog interface; (7)Interface to ST-BUS/SSI (compatible with GCI); (8)Serial microport control; (9)Single 5 volt supply, low power operation; (10)Anti-howl circuit for group listening speakerphone applications.
Diagrams
