ST5090 Datasheet | STMicroelectronics

FEATURES : plete CODEC and FILTER system including: 14 BIT LINEAR ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS. 8 BIT PANDED ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS A-LAW OR µ-LAW. TRANSMIT AND RECEIVE BAND-PASS FILTERS ACTIVE ANTIALIAS NOISE FILTER. Phone Features : THREE SWITCHABLE MICROPHONE AMPLIFIER INPUTS. GAIN PROGRAMMABLE: 20 d B PREAMP. (+MUTE), 0 . . 22.5 d B AMPLIFIER, 1.5 d B STEPS. EARPIECE AUDIO OUTPUT. ATTENUATION PROGRAMMABLE: 0 . . 30 d B, 2 d B STEPS. EXTERNAL AUDIO OUTPUT. ATTENUATION PROGRAMMABLE: 0 . . 30 d B, 2 d B STEPS. TRANSIENT SUPRESSION SIGNAL DURING POWER ON AND DURING AMPLIFIER SWITCHING. INTERNAL PROGRAMMABLE SIDETONE CIRCUIT. ATTENUATION PROGRAMMABLE: 16 d B RANGE, 1 d B STEP. ROUTING POSSIBLE TO BOTH OUTPUTS. INTERNAL RING OR TONE GENERATOR INCLUDING DTMF TONES, SINEWAVE OR SQUAREWAVE WAVEFORMS. ATTENUATION PROGRAMMABLE: 27d B RANGE, 3d B STEP. THREE FREQUENCY RANGES: a) 3.9Hz . . . . 996Hz, 3.9Hz STEP b) 7.8Hz . . . . 1992Hz, 7.8Hz STEP c) 15.6Hz . . . . 3984Hz, 15.6Hz STEP PROGRAMMABLE PULSE WIDTH MODULATED BUZZER DRIVER OUTPUT. General Features : SINGLE 3.3V ±10% OR 5V ±10% SUPPLY SELECTABLE. EXTENDED TEMPERATURE RANGE OPERATION (- ) -40°C to 85°C. 1.5 µW STANDBY POWER (TYP. AT 3V). 21 m W OPERATING POWER (TYP. AT 3V). CMOS PATIBLE DIGITAL INTERFACES. PROGRAMMABLE PCM AND CONTROL INTERFACE MICROWIRE PATIBLE. February 1996 TQFP44(10x10x1.4) SO28 ORDERING NUMBERS: Package ST5090AD ST5090ADTR ST5090TQFP ST5090TQFPTR SO28 SO28 TQFP44 TQFP44 Dim. Cond. Tube Tape&Reel Tray 8x20 Tape&Reel 10x10x1.4 10x10x1.4 APPLICATIONS: GSM DIGITAL CELLULAR TELEPHONES. CT2 DIGITAL CORDLESS TELEPHONES. DECT DIGITAL CORDLESS TELEPHONES. BATTERY OPERATED AUDIO FRONT-ENDS FOR DSPs. (- ) Functionality guaranteed in the range - 40° C to +85 °C; Timing and Electrical Specifications are guaranteed in the range - 30° C to +85° C. GENERAL DESCRIPTION ST5090 is a high performance low power bined PCM CODEC/FILTER device tailored to implement the audio...