LMV1012XPX-25/NOPB

Audio Amplifiers Overview

The LMV1012XPX-25/NOPB is a pre-amplified integrated circuit designed for small form factor electret microphones. It operates on a single supply voltage ranging from 2V to 5V with a typical supply current under 180 μA. The device provides a fixed voltage gain of 23.8 dB, delivering an A-weighted signal-to-noise ratio of 61 dB and total harmonic distortion of 0.09%. It utilizes a 4-bump DSBGA package suitable for 1.0 mm canisters and functions within a temperature range of -40°C to +85°C.

Audio Amplifiers Feature Summary

• Provides high gain (23.8 dB) with excellent linearity and temperature stability compared to traditional JFET amplifiers.
• Designed for direct pin-to-pin compatibility with existing JFET microphone solutions.
• Optimized for high signal integrity in the presence of ambient or RF noise.
• Utilizes extremely thin space-saving 4-bump DSBGA packages.

Audio Amplifiers Applications

• Cellular phones
• Headsets
• Mobile communications devices
• Automotive accessories
• Accessory microphone products

Audio Amplifiers Procurement Notes

Verify that the specific ordering suffix matches the required package type and reel quantity. Confirm RoHS compliance status and environmental classification details directly with Texas Instruments documentation before finalizing procurement specifications.

Audio Amplifiers Selection Notes

Select this component when a fixed gain of 23.8 dB is required for small form factor electret microphones. Ensure the application environment remains within the specified operating temperature range of -40°C to +85°C and the supply voltage stays between 2V and 5V.

Audio Amplifiers Part Context

This part belongs to the LMV1012 Analog Series, which offers various fixed gain options including 7.8 dB, 15.6 dB, 20.9 dB, and 23.8 dB. The series is engineered to replace standard JFET amplifiers while maintaining ease of implementation and superior performance characteristics.

Audio Amplifiers Replacement Considerations

LMV1012TPX-25/NOPB

Audio Amplifiers FAQ

How does the LMV1012 handle RF noise?

The amplifier is optimized for high signal integrity in the presence of ambient or RF noise, such as GSM signals, reducing AM-demodulation effects common in conventional circuits.

What is the maximum input signal level?

The maximum input signal is specified at 1000 GΩ source resistance, ensuring low distortion under standard operating conditions.