MD-LRA371-H20N
优势与特点
-
3.0×2.3×1.0 毫米底部端口
-
1 位脉冲密度调制（PDM）输出
-
窄灵敏度范围 ±1 分贝满刻度（dBFS）
-
高信噪比（SNR）
-
多模式（休眠、低功耗、正常）
-
兼容标准表面贴装回流焊技术（SMD）
-
符合 RoHS 标准且无卤素
-
符合 RoHS 标准且无卤素
性能参数
| Symbol | Dtion | Min | Nom. | Max | Unit |
| FCLK | Clock Frequency | 1.2 | 2.4 | 3.3 | MHz |
| IDD | Supply Current1 | 980 | 1100 | uA | |
| IDD in AVDD | 860 | uA | |||
| IDD in DVDD | 120 | uA | |||
| S | Sensitivity3,94dBSPL@1KHz | -38 | -37 | -36 | dBFS2 |
| ΔS | Sensitivity | <0.5 | <0.5 | <0.5 | dBFS |
| SNR | 20-5KHz Bandwidth, A-Weighted | 67 | dB(A) | ||
| 20-8KHz Bandwidth, A-Weighted | 66 | dB(A) | |||
| 20-20KHz Bandwidth, A-weighted | 63 | 65 | dB(A) | ||
| THD | 94dB SPL @1KHz | 0.5 | % | ||
| 125dB SPL@1KHz | 1 | % | |||
| AOP | 10%THD@1KHz | 130 | dBSPL | ||
| PSR+N | Measured with 217Hz,100mVpp square wave | -90 | dBFS | ||
| PSRR | Measured with 1KHz,200mVpp sinewave | 60 | dBFS | ||
| Note：Frequency response, sensitivity and current consumption are tested by 100% on product line. | |||||
