MT8841 - CMOS Calling Number Identification Circuit

The MT8841 Calling Number Identification Circuit (CNIC) is a CMOS integrated circuit providing an interface to various calling line information delivery services that utilize 1200 baud BELL 202 or CCITT V.23 FSK voiceband data transmission schemes.

• 1200 baud BELL 202 and CCITT V.23 Frequency Shift Keying (FSK) demodulation Compatible with Bellcore TR-NWT-000030 and SR-TSV-002476 High input sensitivity: -36dBm Simple serial 3-wire data interface eliminating the need for a UART Power down mode Internal gain adjustable amplifier Carrier detect status output Uses 3.579545 MHz crystal or ceramic resonator Single 5V power supply Low power CMOS tec.