Product Summary

The CMX868D2 is a multi-standard modem for use in telephone based information and telemetry systems. It can transmit and detect standard DTMF and modem calling and answer signals or user-specific programmed single or dual tone signals. The CMX868D2 operates from a single 2.7 to 5.5V supply over a temperature range of -40°C to +85°C and is available in 24-pin TSSOP, SOIC and DIP packages. It is used in telephone telemetry systems, remote utility meter reading, security systems, industrial control systems, electronic cash terminals, etc.

Parametrics

Absolute maximum ratings:(1)supply (VDD-Vss):-0.3 to 7.0 V; (2)voltage on any pin to Vss:-0.3 VDD+0.3 V; (3)current into or out of VDD and VSS pins:-50 to +50 mA.; (4)Current into RDRVN pin (RDRVN pin low): +50 mA max; (5)Current into or out of any other pin: -20 to +20 mA; (6)Total Allowable Power Dissipation at Tamb = 25°C: 1000 mW max; Derating: 13 mW/°C max ; (7)Storage Temperature: -55 +125 °C; (8)Operating Temperature: -40 +85 °C.

Features

Features:(1)V.22 bis 2400/2400 bps QAM;(2)V.22, Bell 212A 1200/1200 or 600/600 bps DPSK;(3)V.23 1200/75, 1200/1200, 75, 1200 bps FSK;(4)bell 202 1200/150, 1200/1200, 150, 1200 bps FSK;(5)V.21 or Bell 103 300/300 bps FSK;(6)"Powersave" standby mode.It can be used in telep-hone telemetry systems, remote utility meter reading, security systems, industrial control systems, electronic cash terminals and pay-phones, cable TV set-top boxes.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
CMX868D2
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