Product Summary

The CX88168-11 is a Modem Device Set with SmartDAA technology that supports analog data up to 56 kbps, analog fax to 14.4 kbps, telephone answering machine (TAM)/telephony extensions, voice/speakerphone (optional), GSM, analog cellular (optional), and parallel/serial host interface operation depending on model. The CX88168-11 operates with PSTN telephone lines worldwide and supports optional direct connect to an AMPS analog cellular phone. The parallel host interface model also supports direct connect to a GSM phone. The CX88168-11 is suitable for Handheld computers, Gaming devices, Point of sales terminals and Remote monitoring and data collection systems.

Parametrics

CX88168-11 absolute maximum ratings: (1)Supply Voltage, VDD: -0.5 to +4.0 VDC; (2)Input Voltage, VIN: -0.5 to (VGG +0.5) VDC; (3)Storage Temperature Range, TSTG: -55 to +125℃; (4)Analog Inputs, VIN: -0.3 to (VAA + 0.5) VDC; (5)Voltage Applied to Outputs in High Impedance (Off) State, VHZ: -0.5 to (VGG +0.5) VDC; (6)DC Input Clamp Current, IIK: ±20 mA; (7)DC Output Clamp Current, IOK: ±20 mA; (8)Static Discharge Voltage (25℃), VESD: ±2500 VDC; (9)Latch-up Current (25℃), ITRIG: ±400 mA.

Features

CX88168-11 features: (1)V.22 bis fast connect; (2)Analog cellular direct connect using optional CX20437 Voice Codec (S models); (3)GSM cellular direct connect (parallel interface only); (4)Fax modem send and receive rates up to 14.4 kbps; (5)V.80 synchronous access mode supports host-controlled communication protocols with H.324 interface support; (6)Interfaces to optional external ROM/flash ROM and/or to optional external serial EEPROM and RAM for customized modem firmware; (7)Data/Fax/Voice call discrimination; (8)Hardware-based modem controller; (9)Hardware-based digital signal processor (DSP); (10)Worldwide operation.

Diagrams

CX88168-11 simplified interface diagram