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CIRRUS LOGIC/WOLFSON

WOLFSON被收购,Cirrus开发高精度的模拟和混合集成电路。Cirrus Logic提供高度优化的产品广泛用于商业音响、汽车娱乐、工业和航空航天领域的应用。
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WM8569SEDS/RV
型号:
WM8569SEDS/RV
品牌:
CIRRUS LOGIC/WOLFSON
产品分类:
集成电路
描述:
DESCRIPTION The WM8569 is a stereo audio codec ideal for DVD, PVR, LCD-TV and automotive applications. Independent ADC and DAC clocking permits separate record and playback sampling rates. A stereo 24-bit multi-bit sigma delta DAC with oversampling and digital interpolation filters provides the output signal. Digital audio input word lengths from 16-24 bits and sampling rates from 8kHz to 192kHz are supported. A stereo 24-bit multi-bit sigma delta ADC is used. Digital audio output word lengths from 16-24 bits and sampling rates from 32kHz to 96kHz are supported. The DAC and ADC support independent sampling rates. The audio data interface supports I2S, left justified, right justified and DSP digital audio formats. FEATURES • Audio Performance    − 103dB SNR (‘A’ weighted @ 48kHz) DAC    − DAC Sampling Frequency: 8kHz – 192kHz    − 100dB SNR (‘A’ weighted @ 48kHz) ADC    − ADC Sampling Frequency: 32kHz – 96kHz • Independent Sampling Rates for ADC and DAC • 3-wire SPI Serial or Hardware Control Interface • Audio Mute and De-Emphasis Functions • Programmable Audio Data Interface Modes    − 16/20/24/32 bit Word Lengths    − I2S, Left, Right Justified or DSP • 2.7V to 5.5V Analogue Supply • 2.7V to 3.6V Digital Supply • 28-lead SSOP Package APPLICATIONS • DVD Recorder • Personal Video Recorder • PC Sound Card • Automotive Audio • LCD-TV
WM8974GEFL/V
型号:
WM8974GEFL/V
品牌:
CIRRUS LOGIC/WOLFSON
产品分类:
集成电路
描述:
**DESCRIPTION** The WM8974 is a low power, high quality mono codec designed for portable applications such as Digital Still Camera or Digital Voice Recorder. The device integrates support for a differential or single ended mic, and includes drivers for speakers or headphone, and mono line output. External component requirements are reduced as no separate microphone or headphone amplifiers are required. **FEATURES** • . *Mono Codec:** • Audio sample rates:8, 11.025, 16, 22.05, 24, 32, 44.1, 48kHz • DAC SNR 98dB, THD -84dB (‘A’-weighted @ 8 – 48ks/s) • ADC SNR 90dB, THD -80dB (‘A’-weighted @ 8 – 48ks/s) • On-chip Headphone/Speaker Driver with ‘cap-less’ connect \- 40mW output power into 16Ω / 3.3V SPKRVDD \- BTL speaker drive 0.9W into 8Ω / 5V SPKRVDD • Additional MONO Line output • Multiple analog or ‘Aux’ inputs, plus analog bypass path • . *Mic Preamps:** • Differential or single end Microphone Interface \- Programmable preamp gain \- Psuedo differential inputs with common mode rejection \- Programmable ALC / Noise Gate in ADC path • Low-noise bias supplied for electret microphones **OTHER FEATURES** • 5 band EQ (record or playback path) • Digital Playback Limiter • Programmable ADC High Pass Filter (wind noise reduction) • Programmable ADC Notch Filter • On-chip PLL • Low power, low voltage \- 2.5V to 3.6V (digital core: 1.62V to 3.6V) \- power consumption <10mA all-on 48ks/s mode • 4x4x0.9mm 24 pin QFN package **APPLICATIONS** • Digital Still Camera Audio Codec • General Purpose low power audio CODEC
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