LM3886
- 68W Cont. Avg. Output Power into 4Ω at VCC = ±28V
- 38W Cont. Avg. Output Power into 8Ω at VCC = ±28V
- 50W Cont. Avg. Output Power into 8Ω at VCC = ±35V
- 135W Instantaneous Peak Output Power Capability
- Signal-to-Noise Ratio ≥ 92dB
- An Input Mute Function
- Output Protection from a Short to Ground or to the Supplies via Internal Current Limiting Circuitry
- Output Over-Voltage Protection against Transients from Inductive Loads
- Supply Under-Voltage Protection, not Allowing Internal Biasing to Occur when |VEE| + |VCC| ≤ 12V, thus Eliminating Turn-On and Turn-Off Transients
- 11-Lead TO-220 Package
- Wide Supply Range 20V - 94V
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The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% THD+N from 20Hz–20kHz.
The performance of the LM3886, utilizing its Self Peak Instantaneous Temperature (°Ke) (SPiKe) protection circuitry, puts it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA). SPiKe protection means that these parts are completely safeguarded at the output against overvoltage, undervoltage, overloads, including shorts to the supplies, thermal runaway, and instantaneous temperature peaks.
The LM3886 maintains an excellent signal-to-noise ratio of greater than 92dB with a typical low noise floor of 2.0µV. It exhibits extremely low THD+N values of 0.03% at the rated output into the rated load over the audio spectrum, and provides excellent linearity with an IMD (SMPTE) typical rating of 0.004%.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | LM3886 Overture Audio Pwr Amp Series High-Perf 68W Audio Pwr Amp w/Mute 数据表 (Rev. C) | 2013年 3月 21日 | |||
应用手册 | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019年 8月 26日 | ||||
应用手册 | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019年 6月 27日 | ||||
应用手册 | AN-1192 Overture Series High Power Solutions (Rev. B) | 2013年 5月 1日 | ||||
应用手册 | AN-898 Audio Amplifiers Utilizing: SPiKe Protection (Rev. B) | 2013年 5月 1日 | ||||
更多文献资料 | Die D/S LM3886 MDC High-Performance 68W Audio Power Amplifier With Mute | 2012年 9月 27日 |
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
TO-220 (NDA) | 11 | Ultra Librarian |
TO-220 (NDJ) | 11 | Ultra Librarian |
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