PinoutSpecificationsSupply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 7 VInput voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND 0.3 V to VC...
TCM8000: PinoutSpecificationsSupply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 7 VInput voltage range, VI . . . . . ....
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Implemented in advanced LinBiCMOSE technology, the TCM8000 audio processor provides a highly integrated solution for voiceband signal processing in FM cellular mobile and hand-portable telephones. The device incorporates the necessary voice and data filters as well as ancillary functions, such as microphone
preamplifiers, a loudspeaker driver, and a CCITTcompatible compandor circuit. A simple 3-wire serial interface provides digital control over signal path switching, muting, and gain adjustment. The filter responses can be switched to suit Advanced
Mobile Phone System/Total Access Communication System (AMPS/TACS) and Nordic Mobile Telephone (NMT) system requirements. Switched-capacitor techniques are used to implement the filtering functions, and appropriate antialiasing and smoothing filters are incorporated in the device. In the active mode, the TCM8000 uses less than 14 mA of supply current and can be set into a standby configuration, which reduces the supply current to less than 4 mA. The TCM8000 is characterized for operation from 25°C to 80°C.