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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STW5095 데이터시트(PDF) 1 Page - STMicroelectronics |
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STW5095 데이터시트(HTML) 1 Page - STMicroelectronics |
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1 / 69 page  PRELIMINARY DATA This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Rev 1.0 November 2005 1/69 2 STw5095 Low Power Asynchronous Stereo Audio Codec with Integrated Power Amplifiers Features ■ 20 bit audio resolution, 8kHz to 96kHz independent rate ADC and DAC ■ 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 ■ I2C/SPI compatible control I/F ■ 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 ■ Two programmable master/slave serial audio data interfaces (I2S, SPI, PCM compatible and other formats) ■ 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 Analog inputs ■ Selectable stereo differential or single-ended microphone amplifier inputs with 51dB range programmable gain ■ One microphone biasing output ■ Microphone plug-in and push-button detection input ■ Selectable stereo differential or single-ended line inputs with 38 dB range programmable gain Analog output drivers ■ Stereo headphones outputs driving capability: 40 mW (0.1% THD) over 16 Ωwith 40 dB range programmable gain ■ Common mode voltage headphones driver (phantom ground) ■ Balanced loudspeaker output driving capability: up to 500mW (VCCLS>3.5V; 1% THD) over 8 Ω with 30dB range programmable gain ■ Transient supression filter during power up and power down ■ Balanced/unbalanced stereo line outputs driving capability 1k Ω Applications ■ Digital cellular telephones with mp3 player, stereo recorder, fm radio stereo listening and recording functions, live music recording ■ Portable digital players and recorders STw5095 TFBGA64 5x5 (64 pins) www.st.com |
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