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IMPORTANT NOTICE
Dear customer, As from August 2nd 2008, the wireless operations of STMicroelectronics have moved to a new company, ST-NXP Wireless. As a result, the following changes are applicable to the attached document.
Company name - STMicroelectronics NV is replaced with ST-NXP Wireless. Copyright - the copyright notice at the bottom of the last page " STMicroelectronics 200x - All rights reserved", shall now read: " ST-NXP Wireless 200x - All rights reserved". Web site - http://www.st.com is replaced with http://www.stnwireless.com Contact information - the list of sales offices is found at http://www.stnwireless.com under Contacts.
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STw5098
Dual low power asynchronous stereo audio codec with integrated power amplifiers
Data Brief
Features
Dual 20 bit audio resolution, 8kHz to 96kHz independent rate ADC and DAC Dual I2S/PCM digital interfaces for dual master Sustain complex voice and audio flow with or without mixing Two I2C/SPI compatible independant control interfaces Asynchronous sampling ADC and DAC that do not require oversampled clock and information on the audio data sampling frequency (fs). Jitter tolerant fs Wide master clock range from 4MHz to 32MHz Two stereo headphones drivers, handsfree loudspeaker driver, line out drivers Mixable analog line inputs Voice filters: 8/16kHz with voice channel filters Automatic gain control for microphone and linein inputs Four programmable master/slave serial audio data interfaces: I2S, SPI, PCM compatible and other formats Frequency programmable clock outputs Multibit modulators with data weighted averaging ADC and DAC Four DSP functions for bass-treble-volume control, mute, mono/stereo selection, voice channel filters, deemphasis filter and dynamic compression 93 dB dynamic range ADC, 0.001% THD with full scale with full scale output @ 2.7V 95 dB dynamic range DAC, 0.02% THD performance @ 2.7V over 16 load
STw5098
LFBGA 6x6x1.4 (112 pins) VFBGA 5x5x1 (112 pins)
Analog inputs
Selectable stereo differential or single-ended microphone amplifier inputs with 51dB range programmable gain 2 microphone biasing output Microphone plug-in and push-button detection input Selectable stereo differential or single-ended line inputs with 38dB range programmable gain
Analog output drivers
2 Stereo headphones outputs. driving capability: 40mW (0.1% THD) over 16 with 40dB range programmable gain Common mode voltage headphones driver (phantom ground) 1 Balanced loudspeaker output with driving capability up to 500mW (VCCLS>3.5V; 1% THD) over 8 with 30dB range programmable gain 1 Balanced earphone output with driving capability up to 125mW Transient supression filter during power up and power down Balanced/unbalanced stereo line outputs with 1 k driving capability
January 2007
Rev 1
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For further information contact your local STMicroelectronics sales office.
Description Figure 1. Block diagram
STw5098
Description
STw5098 is a Dual Low Power Asynchronous Stereo Audio CODEC device with headphones amplifiers for high quality audio listening and recording. Two I2S/PCM digital interfaces are available, one per master for example Bluetooth and Application Processor, enabling concurrent audio and voice flow between Network and user. The STw5098 control registers are accessible through a selectable I2C-bus compatible or SPI compatible interface. Typical application of the STw5098 are digital cellular telephones with application processor such as mp3 or gaming and Bluetooth concurrent application.
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STw5098
Ordering information
Ordering information
Table 1. Order codes
Package LFBGA 6x6x1.4 0.5 mm pitch, 112 pins LFBGA 6x6x1.4 0.5 mm pitch, 112 pins VFBGA 5x5x1.0 0.4 mm pitch, 112 pins VFBGA 5x5x1.0 0.4 mm pitch, 112 pins Tray Tape and reel Tray Tape and reel Packing
Part Number STw5098 STw5098/T STw5098BBLR/LF STw5098BBLT/LF
Revision history
Table 2.
Date 08-Jan-2007
Document revision history
Revision 1 Initial release. Changes
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STw5098
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