LM4840MH/NOPB
- Mfr.Part #
- LM4840MH/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- 28-PowerTSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- VOLUME CONTROL CIRCUIT
- Stock
- 1,296
- In Stock :
- 1,296
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- Manufacturer :
- National Semiconductor
- Product Category :
- Audio Amplifiers
- Number of Functions :
- 1
- Lead Free :
- Lead Free
- Power Supply Rejection Ratio (PSRR) :
- 74dB
- Terminal Form :
- Gull wing
- Number of Channels :
- 2
- Height Seated (Max) :
- 1.2mm
- Supply Voltage-Min (Vsup) :
- 2.7V
- Output Type :
- 2-Channel (Stereo) with Stereo Headphones
- Power Supplies :
- 3/5V
- ECCN Code :
- EAR99
- Length :
- 9.7mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Position :
- Dual
- Feature :
- Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control
- RoHS Status :
- ROHS3 Compliant
- Max Output Power :
- 2.2W
- Supply Current-Max :
- 30mA
- Number of Terminations :
- 28
- HTS Code :
- 8542.39.00.01
- Voltage - Supply :
- 2.7V~5.5V
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Finish :
- Matte Tin (Sn)
- Mounting Type :
- Surface Mount
- Base Part Number :
- LM4840
- Pin Count :
- 28
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 28
- Terminal Pitch :
- 0.65mm
- Packaging :
- Tube
- Qualification Status :
- Not Qualified
- Mount :
- Surface Mount
- Operating Temperature :
- -40°C~85°C TA
- Package / Case :
- 28-PowerTSSOP (0.173, 4.40mm Width)
- Series :
- Boomer®
- Max Output Power x Channels @ Load :
- 2.2W x 2 @ 3 Ω; 95mW x 2 @ 32 Ω
- Quiescent Current :
- 12mA
- Width :
- 4.4mm
- Supply Voltage-Max (Vsup) :
- 5.5V
- Type :
- Class AB
- Channel Separation :
- 65 dB
- JESD-609 Code :
- e3
- Pbfree Code :
- yes
- Datasheets
- LM4840MH/NOPB

[Audio Amplifiers National Semiconductor LM4840MH/NOPB] Overview
The LM4840MH/NOPB is a volume control circuit designed and manufactured by National Semiconductor, specifically tailored for audio amplifiers. It is engineered to deliver precise volume control functionality, ensuring optimal audio performance in various applications. With its advanced features and reliable performance, this volume control circuit is an ideal choice for B2B customers looking to enhance the audio capabilities of their products.
[LM4840MH/NOPB] Features
- Precision Volume Control: The LM4840MH/NOPB offers precise volume control capabilities, allowing users to finely adjust audio output levels to suit their preferences.
- High-Quality Audio: With National Semiconductor's expertise in audio technologies, this volume control circuit ensures high-quality audio reproduction, delivering clear and immersive sound experiences.
- Efficient Design: Designed with efficiency in mind, the LM4840MH/NOPB optimizes power usage while maintaining superior audio performance, making it suitable for various power-constrained applications.
- Compact Form Factor: Featuring a compact form factor, this volume control circuit can be easily integrated into different audio amplifier designs, offering flexibility and ease of implementation.
- Reliable Performance: National Semiconductor's commitment to quality ensures reliable and consistent performance, meeting the stringent requirements of B2B customers.
[LM4840MH/NOPB] Applications
- Portable Audio Devices: The LM4840MH/NOPB is ideal for use in portable audio devices such as headphones, earphones, and portable speakers. Its precision volume control and high-quality audio reproduction enhance the listening experience for users on the go.
- Home Entertainment Systems: Incorporating the LM4840MH/NOPB into home entertainment systems ensures excellent audio performance for televisions, soundbars, and multimedia speakers. Users can enjoy immersive sound quality with precise volume control.
- Automotive Audio Systems: Automotive audio systems benefit from the LM4840MH/NOPB's efficient design and reliable performance. Whether integrated into car stereos or in-car entertainment systems, this volume control circuit delivers superior audio quality for a enjoyable driving experience.
- Professional Audio Equipment: Professional audio equipment such as amplifiers and mixers leverage the LM4840MH/NOPB for its high-fidelity audio reproduction and precise volume control capabilities. It enhances the overall audio quality for professional sound applications in studios, venues, and live performances.
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