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接智能音响ES7243/ES8218E/ES7210/ES7241D/ES7243E数字麦...
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发表于2020-04-26 14:07:16
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1#
电梯直达
低功耗的多比特-sigma音频ADCI2S/PCM主或从串行数据端口两对模拟输入差分输入选项256/384Fs和USB 12/24 MHz系统时钟快速通电时间I2C接口ADC 模拟到数字24位,8至96 kHz采样频率96分贝的信噪比,-85分贝THD + N低噪音前置放大器自动电平控制(ALC)和噪声门高PSRR搁置过滤器,以补偿ES7243 ES8218E ES7210 ES7241D ES7243E麦克风频率响应支持数字麦克风低功率1.8V至3.3V操作9mw记录 待机电流低 应用程序 无线远程 便携式音频
ES8218E Low Power Audio ADC FEATURES System • High performance and low power multibit delta-sigma audio ADC • I2S/PCM master or slave serial data port • Two pairs of analog input with differential input option • 256/384Fs and USB 12/24 MHz system clocks • Fast power up time • I2C interface ADC • 24-bit, 8 to 96 kHz sampling frequency • 96 dB signal to noise ratio, -85 dB THD+N • Low noise pre-amplifier • Auto level control (ALC) and noise gate • High PSRR • Shelving filter to compensate mic frequency response • Support digital mic Low Power 1.8V to 3.3V operation 9 mW record Low standby current |
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