Product Summary
The MT9172AN is a multi-function device. It is capable of providing high speed, full duplex digital transmission up to 160 kbit/s over a twisted wire pair. The MT9172AN uses adaptive echocancelling techniques and transfer data in (2B+D) format compatible to the ISDN basic rate. Several modes of operation allow an easy interface to digital telecommunication networks including use as a high speed limited distance modem with data rates up to 160 kbit/s. The MT9172AN functions identically but with the DSIC having a shorter maximum loop reach specification. The generic DNIC will be used to reference both devices unless otherwise noted. The MT9172AN is fabricated in Mitel’s ISO2-CMOS process. The applications of the MT9172AN inlcude Digital subscriber lines, High speed data transmission over twisted wires, Digital PABX line cards and telephone sets and 80 or 160 kbit/s single chip modem.
Parametrics
MT9172AN absolute maximum ratings: (1)Supply Voltage, VDD: -0.3 to 7 V; (2)Voltage on any pin (other than supply), VMax: -0.3 to VDD+0.3 V; (3)Current on any pin (other than supply), IMax: 40 mA; (4)Storage Temperature, TST: -65 to +150℃; (5)Package Power Dissipation (Derate 16mW/℃ above 75℃), PDiss: 750 mW.
Features
MT9172AN features: (1)Full duplex transmission over a single twisted pair; (2)Selectable 80 or 160 kbit/s line rate; (3)Adaptive echo cancellation; (4)Up to 3km (9171) and 4 km (9172); (5)ISDN compatible (2B+D) data format; (6)Transparent modem capability; (7)Frame synchronization and clock extraction; (8)MITEL ST-BUS compatible; (9)Low power (typically 50 mW), single 5V supply.
Diagrams
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