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STW5098BBLT Datasheet(PDF) 1 Page - STMicroelectronics |
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STW5098BBLT Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 85 page  April 2007 Rev 1 1/85 1 STw5098 Dual low power asynchronous stereo audio Codec with integrated power amplifiers Features ■ Dual 20 bit audio resolution, 8kHz to 96kHz independent rate ADC and DAC ■ Dual I2S or PCM digital interfaces for dual master ■ Sustain complex voice and audio flow with or without mixing ■ I 2C/SPI compatible control I/F ■ Asynchronous sampling ADC and DAC: they 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 ■ 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 line- in inputs ■ Frequency programmable clock outputs ■ Multibit Σ∆ modulators with data weighted averaging ADC and DAC ■ DSP functions for bass-treble-volume control, mute, mono/stereo selection, voice channel filters, de-emphasis filter and dynamic compression ■ 93 dB dynamic range ADC, 0.001% THD with full scale output @ 2.7V ■ 95 dB dynamic range DAC, 0.02% THD performance @ 2.7V over 16 Ω load Applications ■ Digital cellular telephones with application processor such as mp3 or gaming and Bluetooth concurrent application 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. STw5098 VFBGA 5x5x1 (112 pins) LFBGA 6x6x1.4 (112 pins) www.st.com |
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