Params
类型 |
CODEC |
通道 |
2-ch ADC, 2-ch DAC |
接口 |
I2S/ PCM |
采样率 |
8 kHz to 96 kHz |
SNR |
95 dB(ADC/DAC) |
THD+N |
-85 dB(ADC/DAC) |
封装 |
QFN-28 |
温度等级 |
-40°C ~ +85°C |
包装 |
5k/卷盘 |
Application
ES8374是顺芯广泛推广的CODEC芯片,具备低功耗比优势,木瓜电子推荐该芯片应用到如下设备:
其主要应用场景
- Car DV(车载DV)
- IP Camera (网络摄像机)
- DVR, NVR
- Surveillance (监控)
麦克风阵列AEC模拟回采
在众多麦克风阵列方案中,无论是单声道还是立体声AEC模拟回采参考型号,ES8374都是一个非常常用和适用的选型,其中优势列出如下:
- ES8374可以支持免I2C 配置(MCLK/BCLK=64Fs)进行I2S通信
- ES8374支持+-1Vrms的满眶输入
- ES8374支持低功耗,小封装的
Features
High performance multi-bit delta-sigma audio DAC
ADC
- 24-bit, 8 kHz to 96 kHz sampling frequency ( 24位,8kHz至96kHz采样频率)
- 95 dB signal to noise ratio, -85 dB THD+N(95dB信噪比,-85dB THD+N)
- Low noise pre-amplifier(低噪音前置放大)
- Noise reduction filters(降噪滤波器)
- Auto level control (ALC) and noise gate (动电平控制(ALC)和噪声门)
- Support analog and digital microphone(支持模拟和数字麦克风)
- Microphone bias (麦克风偏置)
DAC
- 24-bit, 8 kHz to 96 kHz sampling frequency (24位,8kHz至96kHz采样频率)
- 95 dB signal to noise ratio, -85 dB THD+N ( 95dB信噪比,-85dB THD+N)
- 1.25W@8Ω/5V or 1.8W@4Ω/4.2V mono class D speaker driver (1.25W@8Ω/5V或1.8W@4Ω/4.2V 单声道D类扬声器驱动器)
- Dynamic range compression (动态范围压缩)
- Headphone and external mic detection (耳机和外部麦克风检测)
- Pop and click noise suppression (弹出和点击噪音的抑制)
Low Power
- 3.3V to 5V operation (3.3V至5V操作)
- 32 mW playback; 42 mW playback and record (32 mW播放;42 mW播放和记录)
System
- I2C/PCM master or slave serial data port (I2C/PCM主从串行端口)
- Two pairs of analog input with differential input option (两对模拟输入,带不同输入选项)
- Mono analog output (单声道模拟输出)
- 256/384Fs, USB 12/24 MHz, fractional PLL for wide range of system clocks (256/384Fs,USB 12/24 MHz,用于广泛的系统时钟的分数PLL)
- Standard audio clock output (标准音频时钟输出)
- Sophisticated analog input and output routing, mixing and gain (复杂的模拟输入和输出路由、混合和增益)
support
ES8374芯片小量样品购买
名称 |
功能描述 |
状态 |
购买 |
ES8374 |
立体声音频CODEC |
activity |
淘宝链接 |