系统
I2S/PCM主或从模式数据接口
两对模拟输入,差分输入选项
mono模拟输出
256/384Fs, USB 12/24 MHz,PLL锁相环时钟
标准音频时钟输出
复杂的模拟输入和输出路由,混合和增益
GPIO
I2C接口
ADC
24位,8至96khz采样频率
95db信噪比,- 85db THD+N
低噪声前置放大器
降噪滤波器
自动电平控制(ALC)和噪声门
支持模拟和数字麦克风
Mic bias供电
DAC
24位,8至96khz采样频率
95db信噪比,- 85db THD+N
1.25W@8W/5V或1.8W@4W/4.2V mono D类扬声器
动态范围压缩
头戴式耳机和外部mic检测
弹出和点击噪音抑制
低功率
3.3V至5V运行
32毫瓦回放;
42毫瓦播放和录音
低待机电流
汽车DV
IP摄像头
DVR,NVR
安防
PIN | NAME | I/O | DESCRIPTION |
1 | CCLK | DI | I2C clock |
2 | MCLK | DI | Master clock |
3 | DGND | Digital ground | |
4 | GPIO2 | DIO | GPIO (PLL out, interrupt) |
5 | PVDD | Digital IO power supply | |
6 | DVDD | Digital core power supply | |
7 | SCLK | DIO | I2S/PCM bit clock |
8 | ASDOUT | DO | I2S/PCM serial data out |
9 | LRCK | DIO | I2S/PCM left and right clock |
10 | DSDIN | DI | I2S/PCM serial data in |
11 | SPKN | AO | Negative speaker out |
12 | SPKGND | Speaker driver ground | |
13 | SPKVDD | Speaker driver power supply | |
14 | SPKP | AO | Positive speaker out |
15 | MONOOUT | AO | Mono output |
16 | AVDD | Analog power supply | |
17 | AGND | Analog ground | |
18 | DACVREF | ||
19 | ADCVREF | ||
20 | VMID | Common mode filtering | |
21 | MICBIAS | Mic bias | |
22 | MIC2N | AI | N analog input |
23 | MIC2P | AI | P analog input |
24 | MIC1N | AI | N analog input |
25 | MIC1P/DMIC_SDA | AI | P analog input or digital mic data |
26 | GPIO1 | DIO | GPIO (digital mic clock, jack detect, PLL out, interrupt) |
27 | CE | DI | I2C address |
28 | CDATA | DIO | I2C data |
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