ST5090
LOW
VOLTAGE 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END
FEATURES: Complete CODEC and FILTER system including: 14 BIT LINEAR ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS.
8 BIT COMPANDED ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS A-LAW OR ยต-LAW.
TRANSMIT AND RECEIVE BAND-PASS FILTERS ACTIVE ANTIALIAS NOISE FILTER.
Phone Features: THREE SWITCHABLE MICROPHONE AMPLIFIER INPUTS.
GAIN PROGRAMMABLE: 20 dB PREAMP.
(+MUTE), 0 .
.
22.
5 dB AMPLIFIER, 1.
5 dB STEPS.
EARPIECE AUDIO OUTPUT.
ATTENUATION PROGRAMMABLE: 0 .
.
30 dB, 2 dB STEPS.
EXTERNAL AUDIO OUTPUT.
ATTENUATION PROGRAMMABLE: 0 .
.
30 dB, 2 dB STEPS.
TRANSIENT SUPRESSION SIGNAL DURING POWER ON AND DURING AMPL...