TO-30023-000

Overview

The Knowles TO-30023-000 is an analog electret condenser microphone with omnidirectional polar pattern. It operates within a frequency range of 70 Hz to 9.5 kHz and features a sensitivity of -54dB ±3dB at 74dB SPL. The device requires a supply voltage between 900mV and 1.6V, draws a current of 75uA, and presents an impedance of 3.75kΩ. It utilizes solder pads for mounting.

Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• Electret condenser technology providing high sensitivity and low noise performance
• Compact form factor designed for integration into space-constrained electronic devices

Applications

• Consumer audio recording devices
• Voice recognition systems
• Portable communication equipment

Procurement Notes

Verify the specific datasheet version to confirm RoHS compliance status and exact pinout configuration before finalizing design integration. Ensure that the power supply circuitry strictly adheres to the specified 900mV to 1.6V operating voltage range to prevent component damage or performance degradation during operation.

Selection Notes

Select this component when an omnidirectional pickup pattern is required for general ambient sound capture. It is suitable for applications where a compact footprint is critical. Consider the analog output type and specific sensitivity requirements relative to the target signal processing chain to ensure adequate signal-to-noise ratio.

Part Context

This part belongs to the Knowles TO series of microphones, which are characterized by their small size and thin profile. These components are engineered for use in modern portable electronics where traditional microphone sizes are impractical. The series offers reliable analog output for direct interfacing with standard audio input stages.

FAQ

What is the polar pattern of the TO-30023-000?

The TO-30023-000 features an omnidirectional polar pattern, allowing it to capture sound equally from all directions.

Is the output digital or analog?

The output type is analog, requiring appropriate amplification and conditioning circuits for digital conversion.