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STw5094
18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC
FEATURES: Complete STEREO AUDIO DAC and FILTERS including: s 18 BIT DIGITAL TO ANALOG CONVERTERS. s LINEAR PHASE DIGITAL FILTERS. s ACTIVE LINEAR PHASE SMOOTHING FILTER. s 30Ω LOAD STEREO HEADPHONES DRIVERS, 8Ω LOAD MONO LOUDSPEAKER DRIVER FOR GROUP LISTENING.
TFBGA 6x6 (36 pins) ORDERING NUMBER: STw5094
Voice CODEC Features: Stereo Audio DAC Features: s SUPPORT BOTH 8kHz AND 16kHz s MULTIBIT Σ∆ MODULATOR WITH DATA SAMPLING RATE. WEIGHTED AVERAGING DAC. s ONE MICROPHONE BIASING OUTPUT. s 92 dB DYNAMIC RANGE, 0.01% THD OVER 30Ω LOAD PERFORMANCE. s REMOTE CONTROL FUNCTION. s SUPPORTS ALL THE MPEG 1 & 2 SAMPLING s ONE LINE INPUT AND TWO SWITCHABLE FREQUENCIES AND THE EXTENSION TO MICROPHONE AMPLIFIER INPUTS. 42.5dB MPEG 2.5: 8, 11.025, 12, 16, 22.05, 24, 32, RANGE PROGRAMMABLE GAIN. DataSheet4U.com 44.1, 48 kHz. s TRANSIENT SUPRESSION DURING POWER s TONES FROM TONE GENERATOR CAN BE UP AND POWER DOWN. INJECTED IN THE AUDIO PATHS. s INTERNAL PROGRAMMABLE SIDETONE CIRCUIT. Stereo Headphones and Loudspeaker/Earpiece s INTERNAL RING, TONE AND DTMF Power Amplifiers features and Stereo Input for GENERATOR. FM Radio Features: s PROGRAMMABLE PWM BUZZER DRIVER. s 20kHz BANDWIDTH STEREO HEADPHONES OUTPUTS. DRIVING CAPABILITY: 20mW General Features: (TYP. 0.1% T.H.D) OVER 30 Ω WITH 40 dB s SINGLE 2.7V to 3.3V SUPPLY. RANGE PROGRAMMABLE GAIN. s EXTENDED TEMPERATURE RANGE s BALANCED EARPIECE ⁄ LOUDSPEAKER OPERATION (*) -40°C to 85°C. OUTPUT. DRIVING CAPABILITY: 190mW (TYP. 0.1% T.H.D) OVER 8 Ω WITH 30dB s 1 µW STANDBY POWER (TYP. AT 2.7V). RANGE PROGRAMMABLE GAIN. s 13 mW OPERATING POWER IN AUDIO s ANALOG STEREO INPUT FOR FM RADIO LISTENING MODE (TYP. AT 2.7V). WITH 38 dB RANGE PROGRAMMABLE GAIN. s 11 mW OPERATING POWER IN VOICE CODEC MODE (TYP. AT 2.7V). Complete CODEC and FILTER system including: s 1.8V TO 3.3V CMOS COMPATIBLE DIGITAL s 14 BIT LINEAR ADC AND DAC. INTERFACES. s 8 BIT COMPANDED ADC AND DAC A-LAW s PROGRAMMABLE PCM INTERFACE. OR µ-LAW. 2 s I C COMPATIBLE CONTROL INTERFACE. s TRANSMIT AND RECEIVE DIGITAL s PROGRAMMABLE SERIAL AUDIO DATA BAND-PASS FILTERS. INPUT INTERFACE (I2S AND OTHER s ACTIVE ANTIALIAS AND SMOOTHING FORMATS). FILTERS. (*) Functionality guaranteed in the range - 40°C to +85°C; Timing s 8Ω LOAD EARPIECE/LOUDSPEAKER and Electrical Specifications are guaranteed in the range - 30°C DRIVER, 30Ω LOAD AUXILIARY DRIVER. to +85°C.
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STw5094
APPLICATIONS: s CDMA,GSM,DCS1800,PCS1900,JDC DIGITAL CELLULAR TELEPHONES WITH MP3 AND FM RADIO STEREO LISTENING FUNCTIONS. s PORTABLE DEVICES WITH A STEREO DIGITAL AUDIO SOURCE AND FM RADIO LISTENING FUNCTION. GENERAL DESCRIPTION STw5094 is a low power Stereo Audio DAC device with Headphones Amplifiers for high quality MP3 and FM radio listening. The STw5094 includes also an high performance l.