
系統(tǒng)
I2S/PCM主或從模式數(shù)據(jù)接口
兩對模擬輸入,差分輸入選項
mono模擬輸出
256/384Fs, USB 12/24 MHz,PLL鎖相環(huán)時鐘
標準音頻時鐘輸出
復雜的模擬輸入和輸出路由,混合和增益
GPIO
I2C接口
ADC
24位,8至96khz采樣頻率
95db信噪比,- 85db THD+N
低噪聲前置放大器
降噪濾波器
自動電平控制(ALC)和噪聲門
支持模擬和數(shù)字麥克風
Mic bias供電
DAC
24位,8至96khz采樣頻率
95db信噪比,- 85db THD+N
1.25W@8W/5V或1.8W@4W/4.2V mono D類揚聲器
動態(tài)范圍壓縮
頭戴式耳機和外部mic檢測
彈出和點擊噪音抑制
低功率
3.3V至5V運行
32毫瓦回放;
42毫瓦播放和錄音
低待機電流
汽車DV
IP攝像頭
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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