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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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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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