Datasheet ADMP421 Equivalent ( PDF )

Omnidirectional Microphone with Bottom Port and Digital Output ADMP421 FEATURES Small and thin 3 mm × 4 mm × 1 mm surface-mount package High SNR of 61 dBA High sensitivity of 26 dBFS Flat frequency response from 100 H- to 15 kH- Low current consumption: <650 μA High PSRR of 80 dBFS Fourth-order Σ-Δ modulator Digital PDM output Compatible with Sn, Pb and Pb-free solder processes RoHS, WEEE co