STW5094 datasheet(1/37 Pages) STMICROELECTRONICS

部件名	STW5094

功能描述	18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC

PDF	37 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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STw5094

November 2003

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

30

Ω LOAD STEREO HEADPHONES

DRIVERS, 8

Ω 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

30

Ω 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 30

Ω WITH 40 dB

RANGE PROGRAMMABLE GAIN.

s

BALANCED EARPIECE

⁄ LOUDSPEAKER

OUTPUT. DRIVING CAPABILITY: 190mW

(TYP. 0.1% T.H.D) OVER 8

Ω 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

8

Ω LOAD EARPIECE/LOUDSPEAKER

DRIVER, 30

Ω LOAD AUXILIARY DRIVER.

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.

TFBGA 6x6 (36 pins)

ORDERING NUMBER: STw5094

18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC

WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC

类似零件编号 - STW5094

制造商	部件名	数据表	功能描述
STMicroelectronics	STW5094A	556Kb / 51P	18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec 09-Dec-2005
	STW5094A	600Kb / 52P	18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec 09-Dec-2005
	STW5094AD	556Kb / 51P	18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec 09-Dec-2005
	STW5094AD/LF	600Kb / 52P	18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec 09-Dec-2005
	STW5094ADLF	556Kb / 51P	18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec 09-Dec-2005

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