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CIRRUS LOGIC/WOLFSON

WOLFSON被收購,Cirrus開發(fā)高精度的模擬和混合集成電路。Cirrus Logic提供高度優(yōu)化的產(chǎn)品廣泛用于商業(yè)音響、汽車娛樂、工業(yè)和航空航天領(lǐng)域的應(yīng)用。
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WM8974GEFL/V
型號：
WM8974GEFL/V
品牌：
CIRRUS LOGIC/WOLFSON
產(chǎn)品分類：
集成電路
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 16? / 3.3V SPKRVDD \- BTL speaker drive 0.9W into 8? / 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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