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LM4838MTEX
+BOMAudio Amplifiers
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LM4838MTEX
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在庫状況25394
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Packaging | MouseReel |
| Standard Pack Qty | 2500 |
概要
Description
Equivalent
1. TDA2822M - Dual audio power amplifier
2. NJM2073 - Dual audio power amplifier
3. PAM8403 - 3W stereo audio amplifier
4. TPA3116D2 - Stereo class-D audio amplifier
Ensure compatibility in terms of pin configuration, power output, and other specifications before substitution.
Features
Key features include:
1. Low Distortion: Ensures clear audio output with minimal distortion.
2. Wide Voltage Range: Operates from 2.7V to 5.5V, allowing flexibility in various applications.
3. Shutdown Mode: Reduces power consumption when the device is not in use.
4. Thermal Protection: Prevents damage due to overheating by shutting down the device if it exceeds a certain temperature.
5. Small Package: Available in a TSSOP package, saving space in compact designs.
6. Pop-and-Click Suppression: Reduces noise during power-up and shutdown.
The LM4838MTEX is ideal for portable audio devices and consumer electronics where high-quality audio and efficient power management are critical.
Pinout
Key functions of the LM4838 include:
1. Stereo Amplification: It provides stereo audio amplification with a bridge-tied load (BTL) output, suitable for driving speakers directly.
2. Headphone Amplifier: The device can also function as a headphone amplifier, toggling between these modes as needed.
3. Volume Control: Incorporates a volume control feature for easy adjustment of output levels.
4. Shutdown Mode: Includes a low-power shutdown mode to conserve energy when the amplifier is not in use.
5. Pop and Click Suppression: Integrated features to minimize noise during turn-on and turn-off transitions.
These functions make the LM4838MTEX suitable for applications in portable audio devices, requiring efficient power management and quality sound reproduction.
Manufacturer
Application
1. Portable Audio Devices: Enhancing audio output in devices like MP3 players and portable speakers.
2. Mobile Phones: Improving audio performance in mobile and smartphones.
3. Tablets and Laptops: Providing better sound quality for multimedia applications.
4. Personal Media Players: Offering high-quality audio for compact media devices.
5. Consumer Electronics: Used in various gadgets needing audio amplification, such as handheld gaming consoles.
These applications leverage the LM4838MTEX's efficiency, low distortion, and compact design, making it suitable for battery-powered devices.