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LM4908MM Datasheet

  • LM4908MM

  • National Semiconductor [10kV ESD Rated, Dual 120 mW Headpho...

  • NSC

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10kV ESD Rated, Dual 120 mW Headphone Amplifier
February 2004
LM4908
10kV ESD Rated, Dual 120 mW Headphone Amplifier
General Description
The LM4908 is a dual audio power amplifier capable of
delivering 120mW per channel of continuous average power
into a 16鈩?load with 0.1% (THD+N) from a 5V power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components using surface mount packaging. Since
the LM4908 does not require bootstrap capacitors or snub-
ber networks, it is optimally suited for low-power portable
systems.
The unity-gain stable LM4908 can be configured by external
gain-setting resistors.
j
Output power at 0.1% THD+N
at 1kHz into 32鈩?/div>
75mW (typ)
Features
n
n
n
n
n
n
Up to 10kV ESD protection on all pins
MSOP, SOP, and LLP surface mount packaging
Switch on/off click suppression
Excellent power supply ripple rejection
Unity-gain stable
Minimum external components
Key Specifications
j
THD+N at 1kHz at 120mW
Applications
n
Headphone Amplifier
n
Personal Computers
n
Portable electronic devices
0.1% (typ)
continuous average output power
into 16鈩?/div>
j
THD+N at 1kHz at 75mW
continuous average output power
into 32鈩?/div>
0.1% (typ)
Typical Application
20075201
*Refer to the
Application Information
Section for information concerning proper selection of the input and output coupling capacitors.
FIGURE 1. Typical Audio Amplifier Application Circuit
Boomer
廬
is a registered trademark of National Semiconductor Corporation.
漏 2004 National Semiconductor Corporation
DS200752
www.national.com

LM4908MM 產(chǎn)品屬性

  • 3 V, 5 V

  • 25MHz

  • 表面貼裝

  • 3mm

  • MSOP

  • 3 x 3 x 0.86mm

  • 耳機(jī)

  • 8

  • AB 類

  • -40 °C

  • +85 °C

  • 單

  • 單端

  • 單端

  • 2聲道立體聲

  • 3mm

  • 0.86mm

LM4908MM相關(guān)型號(hào)PDF文件下載

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