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Image LM3886
型号: LM3886
厂商: Texas Instruments Texas Instruments
标准:
分类: 半导体
描述: high-performance 68w audio power amplifier with mute 11-TO-220 0 to 70
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LM3886的详细信息

Max. Power to Single-Ended Load : 100
Max Speaker Outputs(#) : 2
Power Stage Supply Min(V) : 9
Architecture : Class AB
Rating : Catalog
Operating Temperature Range(C) : 0 to 70
Analog Supply Max [V] : 40
Min. Supported Single-Ended Load : 4
Control Type : Hardware
Closed/Open Loop : Open
Estimated Footprint(mm<:
sup>:
2<:
/sup>:
) : [pf]11TO-220[/pf]
Analog Supply Min [V] : 9
Power Stage Supply Max(V) : 40
Input Type : Analog
Package Group : TO-220
Approx. Price (US$) : 3.10 | 1ku
SNAS091C MAY 1999REVISED MARCH 2013  
LM3886 Overture? Audio Power Amplifier Series  
High-Performance 68W Audio Power Amplifier w/Mute  
Check for Samples: LM3886  
1
FEATURES  
DESCRIPTION  
The LM3886 is a high-performance audio power  
23  
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68W Cont. Avg. Output Power into 4Ω at VCC  
±28V  
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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.  
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38W Cont. Avg. Output Power into 8Ω at VCC  
±28V  
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.  
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50W Cont. Avg. Output Power into 8Ω at VCC  
±35V  
135W Instantaneous Peak Output Power  
Capability  
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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  
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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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  
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11-Lead TO-220 Package  
Wide Supply Range 20V - 94V  
APPLICATIONS  
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Component stereo  
Compact stereo  
Self-powered speakers  
Surround-sound amplifiers  
High-end stereo TVs  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
Overture is a trademark of dcl_owner.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright ? 1999–2013, Texas Instruments Incorporated  
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