LM4895MM/NOPB

Audio Amplifiers Overview

The LM4895MM/NOPB is a fully differential audio power amplifier designed for mobile phones and portable communication devices. It delivers 1W of continuous average power to an 8Ω load with less than 1% THD+N from a 5VDC supply, or 400mW at 3.3V. The device operates on a single supply voltage ranging from 2.2V to 5.5V. It features an ultra-low current shutdown mode drawing only 0.1µA typical current. The amplifier includes internal gain-setting resistors fixing the gain at 6dB, eliminating external components.

Audio Amplifiers Feature Summary

• Fully differential amplification architecture providing high-quality output power with minimal external components
• Ultra-low current shutdown mode that significantly reduces power consumption when not in use
• Advanced pop and click circuitry eliminates audible noises during turn-on and turn-off transitions
• Capable of driving capacitive loads up to 500 pF without requiring output coupling capacitors

Audio Amplifiers Applications

• Mobile phones
• PDAs
• Portable electronic devices

Audio Amplifiers Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches VSSOP-8 requirements. Ensure compliance with RoHS directives as indicated in product documentation. Validate electrical parameters against standard test conditions before integration into final designs.

Audio Amplifiers Selection Notes

Select this component for applications requiring high efficiency and low power consumption in portable electronics. Consider its fully differential nature for noise reduction and improved PSRR. Evaluate thermal management needs based on load impedance and ambient temperature conditions. Verify compatibility with system logic levels for shutdown control functionality.

Audio Amplifiers Part Context

The LM4895 belongs to Texas Instruments' Boomer audio power amplifier series, specifically engineered for demanding mobile phone and portable communication device applications. This series focuses on delivering high-quality output power while minimizing external component count and power consumption, making it suitable for space-constrained and battery-operated environments.

Audio Amplifiers Replacement Considerations

LM4895IBP/NOPB is listed as a similar replacement option.