ADMP404ACEZ-RL7

Overview

The ADMP404ACEZ-RL7 is an omnidirectional MEMS microphone manufactured by Analog Devices Inc., housed in a compact LGA-3 surface-mount package measuring 3.35mm x 2.50mm x 0.88mm. It features a bottom sound port and single-ended analog output with -38dBV sensitivity at 94dB SPL. The device operates on a supply voltage of 1.5V to 3.6V, consuming less than 250µA. Key electrical specifications include a 62dBA signal-to-noise ratio, 70dB power supply rejection ratio, and a frequency response range from 100Hz to 15kHz. It supports both tin/lead and lead-free soldering processes.

Feature Summary

• Omnidirectional acoustic design with integrated particle filter for enhanced reliability
• Single-ended analog output architecture compatible with standard audio interfaces
• Low power consumption suitable for battery-operated portable devices
• Robust construction meeting TIA-920 standards for mechanical durability

Applications

• Smartphones and mobile communication devices
• Video conferencing systems
• Digital camcorders and portable recorders
• Tablets and handheld computing devices

Procurement Notes

Verify the specific suffix RL7 indicates reel packaging when sourcing components. Confirm RoHS compliance status and lead-free solder compatibility with your assembly process requirements. Ensure the supplier provides valid traceability documentation for quality assurance purposes during procurement.

Selection Notes

Select this component for designs requiring high-fidelity audio capture in space-constrained environments. The low operating current makes it ideal for power-sensitive applications. Verify that the required sensitivity and noise performance meet the system's audio quality specifications before finalizing the bill of materials.

Part Context

This part belongs to the ADMP404 series of MEMS microphones from Analog Devices. These components are engineered for consumer electronics where size and power efficiency are critical. The series represents a transition toward miniaturized acoustic solutions without compromising audio fidelity or durability standards.

Replacement Considerations

Check official datasheets for direct pin-compatible substitutes within the same product family. Verify that any alternative maintains identical electrical characteristics and physical dimensions to ensure seamless integration into existing PCB layouts.