LMV1012XP-25/NOPB

Audio Amplifiers Overview

The LMV1012XP-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 60 dB and total harmonic distortion of 0.09%. It functions within a temperature range of -40°C to +85°C and utilizes a 4-bump DSBGA package.

Audio Amplifiers Feature Summary

• Designed specifically for 1.0 mm canister electret condenser microphones
• Provides direct pin-to-pin compatibility with existing JFET microphone solutions
• Offers high signal integrity in the presence of ambient or RF noise
• Features excellent gain accuracy and temperature stability

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 environmental compliance standards. Confirm the gain variant corresponds to the application requirements. Ensure the component meets RoHS directives and check for any specific moisture sensitivity level ratings relevant to the assembly process before finalizing procurement orders.

Audio Amplifiers Selection Notes

Select this component when integrating into compact audio systems requiring high gain without external resistors. It serves as a drop-in replacement for standard JFET amplifiers in two-wire microphone configurations. Consider the low power consumption and wide operating voltage range suitable for battery-powered portable electronics.

Audio Amplifiers Part Context

This part belongs to the LMV1012 Analog Series, which includes variants with gains of 7.8 dB, 15.6 dB, 20.9 dB, and 23.8 dB. The 'XP' designation indicates it is optimized for thicker ECM canisters compared to other series members. All variants share similar electrical characteristics but differ in fixed internal gain settings.

Audio Amplifiers Replacement Considerations

LMV1012UP-25/NOPB

Audio Amplifiers FAQ

What is the primary advantage of the LMV1012 over traditional JFET microphones?

It offers higher gain, improved linearity, better temperature stability, and maintains pin-to-pin compatibility with existing JFET market solutions.

How does the LMV1012 handle RF noise interference?

The device is designed to maintain signal integrity in the presence of ambient or RF noise, such as GSM signals, often requiring only external capacitors for further reduction of AM-demodulation effects.