LMV1012UPX-15/NOPB

Audio Amplifiers Overview

The LMV1012UPX-15/NOPB is a pre-amplified integrated circuit designed for small form factor electret microphones. It operates on a single supply voltage ranging from 2 V to 5 V with a typical supply current of 200 μA at 5 V. The device provides a fixed voltage gain of 15.6 dB, enabling direct replacement for JFET amplifiers in two-wire microphone solutions. It features an input impedance of 1000 GΩ and delivers a signal-to-noise ratio of 60 dB (A-weighted). The component is housed in a 4-bump DSBGA package and supports operation across a temperature range of -40°C to +85°C.

Audio Amplifiers Feature Summary

• Provides built-in fixed voltage gain to replace traditional JFET amplifiers in two-wire electret microphone configurations.
• Designed for high signal integrity in the presence of ambient or RF noise, suitable for cellular communications.
• Utilizes extremely thin space-saving 4-bump DSBGA packages optimized for integration inside ECM canisters.

Audio Amplifiers Applications

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

Audio Amplifiers Procurement Notes

Verify that the ordering suffix matches the specific package variant required, as the LMV1012 series includes multiple pin-compatible options with different gain values. Confirm the manufacturer part number against official Texas Instruments documentation to ensure correct RoHS compliance status and moisture sensitivity level ratings before finalizing procurement orders.

Audio Amplifiers Selection Notes

Select this component when designing compact audio input stages requiring a fixed gain of 15.6 dB. Ensure the application environment remains within the specified operating temperature range of -40°C to +85°C. Verify that the power supply voltage stays between 2 V and 5 V to maintain optimal performance characteristics and low power consumption levels.

Audio Amplifiers Part Context

This component belongs to the LMV1012 Analog Series, which consists of pre-amplified ICs for high-gain two-wire microphones. The series offers various fixed gain options to provide flexibility in microphone design while maintaining compatibility with existing market standards for electret condenser microphone form factors.

Audio Amplifiers Replacement Considerations

LMV1012TP-15/NOPB

Audio Amplifiers FAQ

How does the LMV1012 address RF noise issues in mobile communications?

The LMV1012 is designed to maintain high signal integrity in the presence of ambient or RF noise, such as GSM signals, making it suitable for applications like cellular phones where bumblebee noise reduction is critical.

What is the maximum input impedance of the LMV1012?

The LMV1012 features a high input impedance of 1000 GΩ, which helps minimize loading effects on the connected electret microphone element.