TO-30031-000

Overview

The Knowles TO-30031-000 is an analog omnidirectional electret condenser microphone designed for compact audio applications. It operates within a voltage range of 0.9 V to 1.6 V and features a sensitivity of -56.5 dB. The device has a frequency response spanning from 100 Hz to 7.2 kHz. Its physical dimensions are 3.61 mm in length, 3.61 mm in width, and 1.3 mm in height, utilizing solder pads for surface mount termination.

Feature Summary

• Omnidirectional acoustic pickup pattern for consistent sound capture
• Analog output signal generation via electret condenser technology
• Low profile surface mount package suitable for space-constrained designs

Applications

• Mobile devices requiring clear voice pickup in noisy environments
• Compact consumer electronics with limited internal volume
• Audio equipment needing reliable analog microphone input

Procurement Notes

Verify the specific revision status as the part may be listed as obsolete by some distributors. Confirm that the solder pad termination type matches your PCB layout requirements. Ensure the operating voltage range of 0.9 V to 1.6 V aligns with your system power supply constraints before finalizing procurement.

Selection Notes

Select this component when a low-profile, omnidirectional electret microphone is required for analog audio signals. Consider the -56.5 dB sensitivity and 100 Hz to 7.2 kHz frequency response against your acoustic needs. Verify compatibility with the 0.9 V to 1.6 V supply voltage and ensure the 3.61 x 3.61 x 1.3 mm footprint fits the mechanical design.

Part Context

This microphone belongs to the Knowles TO series, which focuses on compact audio solutions. The series emphasizes performance in mobile and noisy environments while maintaining small form factors. The TO-30031-000 specifically targets applications where size and analog signal integrity are critical priorities for system designers.

FAQ

What is the frequency response range of the TO-30031-000?

The frequency response ranges from 100 Hz to 7.2 kHz.

Is the TO-30031-000 directional or omnidirectional?

It is an omnidirectional microphone.