ISO2-CMOS MT9160B 5 Volt Multi-Featured Codec (MFC) Advance Information Features ISSUE 1 • Improved idle channel noise performance • Programmable µ-Law/A-Law Codec and Filters • Programmable CCITT (G.711)/sign-magnitude coding • Programmable transmit, receive and side-tone gains • Fully differential interface to handset transducers - including 300 ohm receiver driver Description • Flexible digital interface including ST-BUS/SSI • Serial microport or default controllerless mode The MT9160B 5V Multi-featured replacement for the MT9160. • Single 5 volt supply • Low power operation • CCITT G.714 compliant May 1995 Ordering Information MT9160BE MT9160BS 24 Pin Plastic DIP 20 Pin SOIC -40°C to +85°C Codec is a The major difference is the improvement in idle channel noise performance over and above that of the MT9160. Applications Typical Performance Transmit • Digital telephone sets • Cellular radio sets • Local area communications stations • Pair Gain Systems • Line cards 10 dBrnC0 µ-law -70 dBm0p A-Law Receive 9 dBrnC0 µ-law -81 dBm0p A-Law Another difference is that VBias - VRef = 1.9 Volts. For other performance features, please refer to the MT9160 data sheet. VSSD VDD VSSA FILTER/CODEC GAIN AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA ENCODER 7dB AAAAAAAAAAAAAAAA AAAAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AA DECODER -7dB AAAA AAAA AAAA AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AAAAAAAAAAAAAAAAAAAAAAAAAA AA VBias VRef MM+ Transducer Interface HSPKR + HSPKR - Din Dout STB/F0i Timing Flexible Digital Interface ST-BUS C&D Channels CLOCKin Serial Microport PWRST IC CS DATA1 DATA2 A/µ/IRQ SCLK Figure 1 - Functional Block Diagram 7-105 MT9160B Notes: 7-106 Advance Information