LMV1099TL/NOPB

Audio Amplifiers Overview

The LMV1099TL/NOPB is a two-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 draws 3.8 mA of operating current. The device features a Class-AB output stage and includes a shutdown function for power management. Key electrical specifications include a common-mode rejection ratio (CMRR) of 50 dB and a power supply rejection ratio (PSRR) of 93 dB. It is housed in a DSBGA-25 package and supports surface mount installation. The component functions within an ambient temperature range of -40°C to +85°C.

Audio Amplifiers Feature Summary

• Integrated dual-channel architecture designed specifically for far-field microphone applications
• Includes a dedicated shutdown control pin to minimize power consumption during idle states
• High power supply rejection ratio to maintain signal integrity against supply noise

Audio Amplifiers Applications

• Far-field microphone array systems
• Voice recognition modules
• Smart home voice assistants

Audio Amplifiers Procurement Notes

Verify the lifecycle status before integration, as this component is marked as Not Recommended for New Designs (NRND). Confirm that the DSBGA-25 package footprint aligns with existing PCB layouts. Ensure the design accounts for the specific thermal and mechanical requirements of the small outline package. Check for available substitute components if long-term supply stability is required for future production runs.

Audio Amplifiers Selection Notes

Select this component when designing audio input stages requiring low power consumption and high common-mode rejection. The dual-channel configuration simplifies stereo or differential microphone interface designs. Verify that the 2.7 V minimum supply voltage meets the system's battery or rail constraints. Consider the DSBGA-25 package size limitations regarding soldering processes and board space availability compared to larger packages.

Audio Amplifiers Part Context

This part belongs to the LMV1099 series of audio integrated circuits from Texas Instruments. It is categorized under Microphone Preamplifiers within the Audio ICs subcategory. The device is designed to interface directly with electret condenser microphones or MEMS sensors, providing the necessary gain and filtering for downstream analog-to-digital conversion in portable electronic devices.

Audio Amplifiers Replacement Considerations

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