圖片僅供參考
LM4811MM
+物料清單Audio Amplifiers
-
製造商德州儀器
-
製造商部分 #LM4811MM
-
有存貨23387
365 天品質保證
7*24 小時服務保證
90-日售後保障
正品保證
規格
| 屬性 | 價值 |
| Packaging | MouseReel |
| Standard Pack Qty | 1000 |
概述
Description
Key features include a low Total Harmonic Distortion (THD) which ensures high-quality audio output, and a high Signal-to-Noise Ratio (SNR) which minimizes background noise. The LM4811MM is also equipped with a built-in shutdown function to save power when not in use. Its compact package makes it ideal for space-constrained applications.
The amplifier supports a bridge-tied load (BTL) configuration, which effectively doubles the output power compared to single-ended configurations. This makes it capable of driving headphones with adequate volume and clarity. Overall, the LM4811MM is a reliable choice for enhancing audio performance in portable electronics.
Equivalent
1. TPA6111A2: A similar stereo headphone amplifier from Texas Instruments.
2. MAX9722: A stereo headphone amplifier from Maxim Integrated.
3. NJM2073: A dual audio power amplifier from New Japan Radio Co., Ltd.
These alternatives may vary slightly in specifications, so it's important to compare features and requirements for compatibility with your specific application.
Features
1. Two-Channel Operation: It supports stereo output for high-quality sound.
2. Output Power: Delivers up to 105mW per channel into 16-ohm loads, suitable for driving headphones.
3. Low Distortion: Offers low total harmonic distortion (THD) for clear audio playback.
4. Shutdown Functionality: Includes a shutdown mode to reduce power consumption when not in use.
5. Low Quiescent Current: Energy-efficient operation with a low quiescent current.
6. Wide Voltage Range: Operates over a broad supply voltage range, typically from 2V to 5.5V.
7. Surface-Mount Package: Available in a mini small outline package (MSOP), ideal for space-constrained applications.
8. Thermal Protection: Equipped with thermal shutdown protection to prevent overheating.
9. High Signal-to-Noise Ratio: Ensures minimal noise interference for better sound quality.
These features make the LM4811MM suitable for portable audio applications like MP3 players, smartphones, and other personal audio devices.
Pinout
1. VDD: Power supply input.
2. BYPASS: Bypass capacitor pin to reduce noise.
3. IN-: Inverting input of the amplifier.
4. IN+: Non-inverting input of the amplifier.
5. VOUTA: Output A, audio signal output.
6. VOUTB: Output B, audio signal output.
7. SHUTDOWN: Places the amplifier in shutdown mode to reduce power consumption.
8. GND: Ground connection.
The LM4811MM is used to drive speakers or headphones and is capable of delivering high-quality audio output with low distortion and minimum external components. Its features make it suitable for battery-powered devices.