INMP504ACEZ-R7

Microphones Overview

The INMP504ACEZ-R7 is an omnidirectional MEMS microphone with analog output, manufactured by TDK InvenSense. It operates within a voltage range of 1.6 V to 3.3 V and draws a supply current of 225 µA. The device features a sensitivity of -38 dB ±3 dB at 94 dB SPL and achieves a signal-to-noise ratio of 65 dB. Its frequency response spans from 100 Hz to 20 kHz, with an impedance of 200 Ohms. The component utilizes a bottom port design and is housed in a rectangular LGA-3 package measuring 3.35 mm x 2.50 mm x 0.98 mm.

Microphones Feature Summary

• Omnidirectional acoustic pattern for uniform sound capture
• Low-noise analog output suitable for high-fidelity audio applications
• Bottom-port configuration for compact board integration

Microphones Applications

• Mobile devices requiring low-power audio input
• Wearable technology with space constraints
• Smart home voice control interfaces

Microphones Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS3 compliance and moisture sensitivity level (MSL 3) requirements for storage and handling. Check for alternative sources as the part is marked as not recommended for new designs.

Microphones Selection Notes

Select this component for applications requiring a balance of low power consumption and high sensitivity. Ensure the system voltage supports the 1.6 V to 3.3 V operating range. Consider the 200 Ohm impedance when designing interface circuits. Evaluate the 100 Hz lower frequency limit against specific audio bandwidth needs.

Microphones Part Context

Part of the INMP504 series from TDK InvenSense, focusing on ultra-low noise performance. Designed for consumer electronics where size and power efficiency are critical. Manufactured using silicon MEMS technology for consistent acoustic performance across production batches.

Microphones Replacement Considerations

Public confirmed substitute part numbers: ADMP504ACEZ-RL7.