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LM4876MM Datasheet

  • LM4876MM

  • AUDIO AMPLIFIER|SINGLE|TSSOP|10PIN|PLASTIC

  • 10頁

  • ETC

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LM4876 1.1W Audio Power Amplifier with Logic Low Shutdown
August 2000
LM4876
1.1W Audio Power Amplifier with Logic Low Shutdown
General Description
The LM4876 is a single 5V supply bridge-connected audio
power amplifier capable of delivering 1.1W (typ) of continu-
ous average power to an 8鈩?load with 0.5% THD+N.
Like other audio amplifiers in the Boomer series, the LM4876
is designed specifically to provide high quality output power
with a minimal amount of external components. The LM4876
does not require output coupling capacitors, bootstrap ca-
pacitors, or snubber networks. It is perfectly suited for low-
power portable systems.
The LM4876 features an active low externally controlled,
micro-power shutdown mode. Additionally, the LM4876 fea-
tures an internal thermal shutdown protection mechanism.
For PCB space efficiency, the LM4876 is available in MSOP
and SO surface mount packages.
The unity-gain stable LM4876鈥檚 closed loop gain is set using
external resistors.
Key Specifications
j
THD+N at 1kHz for 1W continuous
average output power into 8鈩?/div>
j
Output power at 1kHz into 8鈩?/div>
0.5% (max)
1.5W (typ)
0.01碌A(chǔ) (typ)
2.0V to 5.5V
with 10% THD+N
j
Shutdown current
j
Supply voltage range
Features
n
Does not require output coupling capacitors, bootstrap
capacitors, or snubber circuits
n
10-pin MSOP and 8-pin SO packages
n
Unity-gain stable
n
External gain set
Applications
n
n
n
n
Mobile Phones
Portable Computers
Desktop Computers
Low-Voltage Audio Systems
Typical Application
Connection Diagram
Mini Small Outline MSOP Package
DS101299-25
Top View
Order Number LM4876MM
See NS Package Number MUB10A
Small Outline SO Package
DS101299-1
FIGURE 1. Typical LM4876 Audio Amplifier Application
Circuit. Numbers in ( ) are specific to the 10-pin MSOP
package
DS101299-2
Top View
Order Number LM4876M
See NS Package Number M08A
Boomer
廬
is a registered trademark of National Semiconductor Corporation.
漏 2000 National Semiconductor Corporation
DS101299
www.national.com
Powered by ICminer.com Electronic-Library Service CopyRight 2003

LM4876MM 產(chǎn)品屬性

  • National Semiconductor (TI)

  • Class-AB

  • 1.5 W x 1 at 8 Ohms

  • 1-Channel Mono

  • 0.25 %

  • 3 V, 5 V

  • + 85 C

  • SMD/SMT

  • MSOP

  • Reel

  • 8 Ohms

  • Single

  • - 40 C

  • Differential

  • Single

  • 5.5 V

  • 2 V

LM4876MM相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
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    廠商
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  • 英文版
    National Semiconductor [1W Stereo Audio Amplifier Plus Adju...
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  • 英文版
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  • 英文版
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  • 英文版
    Dual 105mW Headphone Amplifier with Digital Volume
    NSC
  • 英文版
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  • 英文版
    National Semiconductor [1W Stereo Audio Amplifier + Adjusta...
    NSC
  • 英文版
    1W Stereo Audio Amplifier Plus Adjustable Output Limiter Plu...
    NSC
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  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
    NSC
  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
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  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
    NSC
  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
    NATIONAL

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