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LM3886

現行

具靜音功能的 68W、1 通道、20-94V 電源立體聲道 AB 類放大器

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產品規格表

LM3886

現行
產品規格表 立即訂購

產品詳細資料

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Power stage supply (max) (V) 94 Power stage supply (min) (V) 20 Load (min) (Ω) 4 Output power (W) 68 SNR (dB) 110 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 50 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 20 Analog supply voltage (max) (V) 84 PSRR (dB) 120 Operating temperature range (°C) 0 to 70
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Power stage supply (max) (V) 94 Power stage supply (min) (V) 20 Load (min) (Ω) 4 Output power (W) 68 SNR (dB) 110 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 50 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 20 Analog supply voltage (max) (V) 84 PSRR (dB) 120 Operating temperature range (°C) 0 to 70
TO-220 (NDA) 11 195.4953 mm² 20.02 x 9.765 TO-220 (NDJ) 11 468.2678 mm² 20.02 x 23.39
  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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%.

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%.
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類型 標題 日期
* Data sheet LM3886 Overture Audio Pwr Amp Series High-Perf 68W Audio Pwr Amp w/Mute datasheet (Rev. C) 2013年 3月 21日
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 2019年 8月 26日
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 2019年 6月 27日
Application note AN-1192 Overture Series High Power Solutions (Rev. B) 2013年 5月 1日
Application note AN-898 Audio Amplifiers Utilizing: SPiKe Protection (Rev. B) 2013年 5月 1日
More literature Die D/S LM3886 MDC High-Performance 68W Audio Power Amplifier With Mute 2012年 9月 27日

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模擬型號

LM3886 PSpice Model (Rev. B)

SNAM041B.ZIP (52 KB) - PSpice Model
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模擬型號

LM3886 TINA-TI Reference Design (Rev. B)

SNAM040B.TSC (283 KB) - TINA-TI Reference Design
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模擬型號

LM3886 TINA-TI Spice Model (Rev. B)

SNAM039B.ZIP (7 KB) - TINA-TI Spice Model
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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