Ultralow Noise Microphone with Bottom Port and PDM Digital Output ADMP521 FUNCTIONAL BLOCK DIAGRAM ADMP521 ADC PDM MODULATOR CLK DATA Small and thin 4 mm × 3 mm × 1 mm .

Smartphones and feature phones Tablet computers Teleconferencing systems Digital still and video cameras Bluetooth heads.

The ADMP5211 is a high performance, ultralow noise, low power, digital output, bottom-ported omnidirectional MEMS microphone. The ADMP521 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order sigma-delt.

ADMP504

ADMP510

ADMP401

ADMP401-1

ADMP404

ADMP405

ADMP421

ADMP441

ADMP801

ADM10-D05

ADM10-D05-05

ADM10-D05-12

ADM10-D05-24