ADMP421 Overview
Small and thin 3 mm × 4 mm × 1 mm surface-mount package The ADMP421 is a high performance, low power, digital output High SNR of 61 dBA bottom-ported omnidirectional MEMS microphone. The High sensitivity of −26 dBFS ADMP421 consists of a MEMS microphone element and an Flat frequency response from 100 Hz to 15 kHz impedance converter amplifier followed by a fourth-order Σ-Δ Low current consumption: The digital...