技术特性

• 小尺寸、薄型、3 mm × 4 mm × 1 mm表贴封装
• 高信噪比(SNR)：61 dBA
• 高灵敏度：-26 dBFS
• 平坦的频率响应：100 Hz至15 kHz
• 低功耗：<650 μA
• 高电源抑制比(PSRR)：80 dBFS
• 四阶Σ-Δ调制器
• 数字PDM输出
• 与锡/铅和无铅焊接工艺兼容
• 符合RoHS/WEEE标准

应用领域

• 智能电话和功能电话
• 数码摄像机
• 蓝牙耳机
• 可视电话
• 电话会议系统

技术指标

• Frequency Response: 100 Hz to 15 kHz
• Package: 3.00x4.00x1.00mm LGA
• Type: PDM
• Port Location: Bottom
• SNR (dBA): 61dB
• Noise Typical (dBA SPL): 33dB
• Sensitivity @ 1 kHz: -26 dBFS
• PSR: -80 dBFS

推荐配套产品

• Recommended Audio Codecs for the ADMP421
• For a low power SigmaDSP codec with headphone driver and PLL, we recommend the ADAU1761.
• For a low power SigmaDSP codec with mono speaker driver and PLL, we recommend the ADAU1781.
• For a low power, 24-bit audio codec with headphone driver and PLL, we recommend the ADAU1361.
• For a low power, 24-bit audio codec with a fixed-function tunable signal processor, we recommend the ADAU1381.
• For a low power, multi-channel, 24-bit audio codec in a wafer level chip scale package, we recommend the ADAU1373.
• Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower
  • For selecting supervisor products, use the Supervisor Parametric Search.