LM4854LD/NOPB
- Mfr.Part #
- LM4854LD/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- 14-WFDFN Exposed Pad
- Datasheet
- Download
- Description
- AUDIO AMPLIFIER
- Stock
- 996
- In Stock :
- 996
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- Manufacturer :
- National Semiconductor
- Product Category :
- Audio Amplifiers
- Number of Functions :
- 1
- JESD-609 Code :
- e3
- Packaging :
- Tape and Reel (TR)
- Supply Current-Max :
- 15mA
- Terminal Pitch :
- 0.5mm
- Package / Case :
- 14-WFDFN Exposed Pad
- Height Seated (Max) :
- 0.8mm
- Terminal Form :
- NO LEAD
- Supply Voltage-Max (Vsup) :
- 5.5V
- Peak Reflow Temperature (Cel) :
- 260
- HTS Code :
- 8542.33.00.01
- Number of Terminations :
- 14
- Mount :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature :
- -40°C~85°C TA
- Number of Pins :
- 14
- Voltage - Supply :
- 2.4V~5.5V
- Type :
- Class AB
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Terminal Finish :
- Matte Tin (Sn)
- Series :
- Boomer®
- Bandwidth :
- 20 kHz
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of Channels :
- 2
- Terminal Position :
- Dual
- Output Type :
- 1-Channel (Mono) with Stereo Headphones
- Qualification Status :
- Not Qualified
- Quiescent Current :
- 6.5mA
- Width :
- 4mm
- Pin Count :
- 14
- Feature :
- Depop, Shutdown, Standby, Thermal Protection
- Supply Voltage-Min (Vsup) :
- 2.4V
- Pbfree Code :
- yes
- Max Output Power :
- 2.3W
- Length :
- 4mm
- Max Output Power x Channels @ Load :
- 2.3W x 1 @ 3.2 Ω; 200mW x 2 @ 16 Ω
- Output Power :
- 0.2W
- Power Supplies :
- 3/5V
- Base Part Number :
- LM4854
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- LM4854LD/NOPB

Audio Amplifiers National Semiconductor LM4854LD/NOPB Overview
The LM4854LD/NOPB by National Semiconductor is a state-of-the-art audio amplifier designed for high-quality audio applications. This device seamlessly integrates the features needed to deliver clear, powerful sound without compromising on size or efficiency. It is particularly noted for its low voltage operation and minimal power consumption, making it an ideal solution for portable audio devices. The LM4854LD/NOPB stands out in the market due to its robust performance and versatility, capable of driving a variety of speaker loads while maintaining clarity and fidelity. As an Audio Amplifiers National Semiconductor LM4854LD/NOPB, it is engineered to meet the rigorous demands of today’s audio electronics market.
LM4854LD/NOPB Features
This integrated circuit boasts a dual mode operation which includes bridge-tied load (BTL) and single-ended (SE) modes, allowing for flexible speaker configuration. The amplifier is capable of delivering up to 1.5 Watts of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N), ensuring high-quality sound reproduction. Additionally, it features a low shutdown current of 0.1µA, which enhances battery life in portable applications. The device also includes advanced pop & click circuitry which minimally affects the audio output during turn-on and turn-off transitions, preserving the overall audio quality and user experience.
LM4854LD/NOPB Applications
- Portable Audio Devices: Utilized to provide robust audio amplification in portable media players, ensuring rich sound output while maintaining battery efficiency.
- Mobile Phones: Enhances the audio quality of mobile phone loudspeakers, allowing for clearer hands-free calling and multimedia playback.
- Miniature Speakers: Ideal for driving small desktop or laptop speakers, providing a significant audio boost without the need for external power sources.
- Personal Digital Assistants (PDAs): Employs its low-power consumption and small footprint to improve the audio capabilities of PDAs without compromising device size or battery life.
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