LMV1089VY/NOPB

Audio Amplifiers Overview

The LMV1089VY/NOPB is a dual-channel far-field microphone preamplifier manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 5.5 V and consumes 1.1 mA of operating current. The device features a total harmonic distortion plus noise of 0.1%, a common-mode rejection ratio of 62 dB, and a power supply rejection ratio of 91 dB. It utilizes an LQFP-32 surface-mount package and supports single-ended input and output signals. The component includes a shutdown function and functions as a Class-AB amplifier with a maximum input resistance of 142 kOhms.

Audio Amplifiers Feature Summary

• Integrated far-field noise suppression capabilities for enhanced audio clarity in distant sound capture scenarios
• Dual-channel architecture providing independent amplification paths within a single integrated circuit
• Includes a dedicated shutdown mode to reduce power consumption when the system is inactive

Audio Amplifiers Applications

• Far-field voice recognition systems requiring noise reduction
• Conference phone arrays utilizing multiple microphone inputs
• Smart home devices with integrated voice control interfaces

Audio Amplifiers Procurement Notes

Verify the lifecycle status before integration, as this component is marked as Not Recommended for New Designs. Confirm that the LQFP-32 package dimensions align with existing PCB footprints. Ensure compatibility with single-supply operation between 2.7 V and 5.5 V. Check for moisture sensitivity requirements during storage and handling procedures.

Audio Amplifiers Selection Notes

Select this component for applications requiring dual-microphone front-end processing with built-in noise suppression. Consider the LQFP-32 package size constraints and the specific need for a shutdown feature. Evaluate if the 62 dB CMRR meets the acoustic isolation requirements of the target environment compared to other available preamplifiers.

Audio Amplifiers Part Context

This part belongs to the LMV1089 series of microphone preamplifiers designed specifically for audio signal conditioning. It is distinct from general-purpose operational amplifiers like the LMV118 or precision amplifiers like the LMV851 due to its specialized acoustic filtering and dual-channel configuration tailored for voice interface hardware.

Audio Amplifiers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.