MT9161B Datasheet | MITEL

Features - - Improved idle channel noise over MT9160 MT9161 version features a delayed framing pulse in SSI and ST-BUS modes to facilitate cascaded devices Programmable µ-Law/A-Law Codec and Filters Programmable ITU-T G.711/sign-magnitude coding Programmable transmit, receive and side-tone gains Fully differential interface to handset transducers - including 300 ohm receiver driver Flexible digital interface including ST-BUS/SSI Serial microport or default controllerless mode Single 5 volt supply Low power operation ITU-T G.714 pliant DS5145 ISSUE 3 March 1999 - - - - - - - - - Ordering Information MT9161BE 24 Pin Plastic DIP(600 mil) MT9160BE 24 Pin Plastic DIP(600 mil) MT9161BS 24 Pin SOIC MT9160BS 20 Pin SOIC MT9161BN 24 Pin SSOP MT9160BN 20 Pin SSOP -40°C to +85°C Description The MT9160B/61B 5V Multi-featured Codec incorporates a built-in Filter/Codec, gain control and programmable sidetone path as well as on-chip anti-alias filters, reference voltage and bias source. The device supports both ITU-T and sign-magnitude A-Law and µ-Law requirements. plete telephony interfaces are provided for connection to handset transducers. Internal register access is provided through a serial microport patible with various industry standard micro-controllers. The device also supports controllerless operation utilizing the default register conditions. The MT9160B/61B is fabricated in Mitel's ISO2-CMOS technology ensuring low power consumption and high reliability. Applications - - - Digital telephone sets Cellular radio sets Local area munications stations VSSD VDD VSSA VBias VRef FILTER/CODEC GAIN MENCODER DECODER 7d B -7d B Transducer Interface M+ HSPKR + HSPKR - Din Timing Dout STB/F0i CLOCKin STBd/FOod (MT9161B only) Flexible Digital Interface ST-BUS C&D Channels Serial Microport A/µ/IRQ PWRST DATA1 DATA2 SCLK Figure 1 - Functional Block Diagram MT9160B/61B MT9160BS/BN VBias VRef NC PWRST IC A/µ/IRQ VSSD CS NC SCLK DATA1 DATA2 Advance Information MT91...