STW5094 Datasheet, PDF (1/37 Pages) STMicroelectronics – 18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC

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.
Stereo Audio DAC Features:
s MULTIBIT Σ∆ MODULATOR WITH DATA
WEIGHTED AVERAGING DAC.
s 92 dB DYNAMIC RANGE, 0.01% THD OVER
30Ω LOAD PERFORMANCE.
s SUPPORTS ALL THE MPEG 1 & 2 SAMPLING
FREQUENCIES AND THE EXTENSION TO
MPEG 2.5: 8, 11.025, 12, 16, 22.05, 24, 32,
44.1, 48 kHz.
s TONES FROM TONE GENERATOR CAN BE
INJECTED IN THE AUDIO PATHS.
Stereo Headphones and Loudspeaker/Earpiece
Power Amplifiers features and Stereo Input for
FM Radio Features:
s 20kHz BANDWIDTH STEREO HEADPHONES
OUTPUTS. DRIVING CAPABILITY: 20mW
(TYP. 0.1% T.H.D) OVER 30Ω WITH 40 dB
RANGE PROGRAMMABLE GAIN.
s BALANCED EARPIECE ⁄ LOUDSPEAKER
OUTPUT. DRIVING CAPABILITY: 190mW
(TYP. 0.1% T.H.D) OVER 8Ω WITH 30dB
RANGE PROGRAMMABLE GAIN.
s ANALOG STEREO INPUT FOR FM RADIO
WITH 38 dB RANGE PROGRAMMABLE GAIN.
Complete CODEC and FILTER system including:
s 14 BIT LINEAR ADC AND DAC.
s 8 BIT COMPANDED ADC AND DAC A-LAW
OR µ-LAW.
s TRANSMIT AND RECEIVE DIGITAL
BAND-PASS FILTERS.
s ACTIVE ANTIALIAS AND SMOOTHING
FILTERS.
s 8Ω LOAD EARPIECE/LOUDSPEAKER
DRIVER, 30Ω LOAD AUXILIARY DRIVER.
November 2003
TFBGA 6x6 (36 pins)
ORDERING NUMBER: STw5094
Voice CODEC Features:
s SUPPORT BOTH 8kHz AND 16kHz
SAMPLING RATE.
s ONE MICROPHONE BIASING OUTPUT.
s REMOTE CONTROL FUNCTION.
s ONE LINE INPUT AND TWO SWITCHABLE
MICROPHONE AMPLIFIER INPUTS. 42.5dB
RANGE PROGRAMMABLE GAIN.
s TRANSIENT SUPRESSION DURING POWER
UP AND POWER DOWN.
s INTERNAL PROGRAMMABLE SIDETONE
CIRCUIT.
s INTERNAL RING, TONE AND DTMF
GENERATOR.
s PROGRAMMABLE PWM BUZZER DRIVER.
General Features:
s SINGLE 2.7V to 3.3V SUPPLY.
s EXTENDED TEMPERATURE RANGE
OPERATION (*) -40°C to 85°C.
s 1 µW STANDBY POWER (TYP. AT 2.7V).
s 13 mW OPERATING POWER IN AUDIO
LISTENING MODE (TYP. AT 2.7V).
s 11 mW OPERATING POWER IN VOICE
CODEC MODE (TYP. AT 2.7V).
s 1.8V TO 3.3V CMOS COMPATIBLE DIGITAL
INTERFACES.
s PROGRAMMABLE PCM INTERFACE.
s I²C COMPATIBLE CONTROL INTERFACE.
s PROGRAMMABLE SERIAL AUDIO DATA
INPUT INTERFACE (I²S AND OTHER
FORMATS).
(*) Functionality guaranteed in the range - 40°C to +85°C; Timing
and Electrical Specifications are guaranteed in the range - 30°C
to +85°C.
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