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LM4839MTE Datasheet

  • LM4839MTE

  • Stereo 2W Audio Power Amplifiers with DC Volume Control, Bas...

  • 34頁

  • NSC

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LM4839 Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux
April 2002
LM4839
Stereo 2W Audio Power Amplifiers
with DC Volume Control, Bass Boost, and Input Mux
General Description
The LM4839 is a monolithic integrated circuit that provides
DC volume control, and stereo bridged audio power amplifi-
ers capable of producing 2W into 4鈩?(Note 1) with less than
1.0% THD+N, or 2.2W into 3鈩?(Note 2) with less than 1.0%
THD+N.
Boomer
廬
audio integrated circuits were designed specifically
to provide high quality audio while requiring a minimum
amount of external components. The LM4839 incorporates a
DC volume control, stereo bridged audio power amplifiers,
selectable gain or bass boost, and an input mux making it
optimally suited for multimedia monitors, portable radios,
desktop, and portable computer applications.
The LM4839 features an externally controlled, low-power
consumption shutdown mode, and both a power amplifier
and headphone mute for maximum system flexibility and
performance.
Note 1:
When properly mounted to the circuit board, the LM4839LQ and
LM4839MTE will deliver 2W into 4鈩? The LM4839MT will deliver 1.1W into
8鈩? See the Application Information section for LM4839LQ and LM4839MTE
usage information.
Note 2:
An LM4839LQ and LM4839MTE that have been properly mounted
to the circuit board and forced-air cooled will deliver 2.2W into 3鈩?
Key Specifications
n
P
O
at 1% THD+N
n
into 3鈩?(LQ & MTE)
n
into 4鈩?(LQ & MTE)
n
into 8鈩?(LM4839) (MT, MTE, & LQ)
n
Single-ended mode - THD+N at 85mW into
32鈩?/div>
n
Shutdown current
2.2W(typ)
2.0W(typ)
1.1W(typ)
1.0%(typ)
0.2碌A(chǔ)(typ)
Features
n
n
n
n
n
n
n
DC Volume Control Interface
Input mux
System Beep Detect
Stereo switchable bridged/single-ended power amplifiers
Selectable internal/external gain and bass boost
鈥淐lick and pop鈥?suppression circuitry
Thermal shutdown protection circuitry
Applications
n
Portable and Desktop Computers
n
Multimedia Monitors
n
Portable Radios, PDAs, and Portable TVs
Connection Diagrams
LLP Package
DS200134-83
Top View
Order Number LM4839LQ
See NS Package Number LQA028AA for Exposed-DAP LLP
Boomer
廬
is a registered trademark of NationalSemiconductor Corporation.
漏 2002 National Semiconductor Corporation
DS200134
www.national.com

LM4839MTE 產(chǎn)品屬性

  • AB

  • 2

  • 2.2W

  • 2.7V 到 5.5V

  • 3ohm

  • -40°C 到 +85°C

  • TSSOP

  • 28

  • No SVHC (19-Dec-2011)

  • 2.2W

  • 4839

  • TSSOP

  • 5.5V

  • 2.7V

  • 表面安裝

  • 3ohm

LM4839MTE相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    National Semiconductor [1W Stereo Audio Amplifier Plus Adju...
    NSC
  • 英文版
    Low Voltage High Power Audio Power Amplifier
    NSC
  • 英文版
    Low Voltage High Power Audio Power Amplifier
    NATIONAL SEMICONDUCTOR
  • 英文版
    3V, 1W Boosted Boomer
    NSC
  • 英文版
    Low Voltage High Power Audio Power Ampliier
    NATIONAL SEMICONDUCTOR
  • 英文版
    Dual 105 mW Headphone Amplifier
    NSC
  • 英文版
    LM4808 Dual 105 mW Headphone Amplifier
    NATIONAL SEMICONDUCTOR
  • 英文版
    Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode
    NSC
  • 英文版
    LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdo...
    NATIONAL
  • 英文版
    Dual 105mW Headphone Amplifier with Active-High Shutdown Mod...
    NSC
  • 英文版
    LM4810 Dual 105mW Headphone Amplifier with Active-High Shutd...
    NATIONAL
  • 英文版
    Dual 105mW Headphone Amplifier with Digital Volume
    NSC
  • 英文版
    Dual 105mW Headphone Amplifier
  • 英文版
    National Semiconductor [1W Stereo Audio Amplifier + Adjusta...
    NSC
  • 英文版
    1W Stereo Audio Amplifier Plus Adjustable Output Limiter Plu...
    NSC
  • 英文版
    1W Stereo Audio Amplifier Plus Adjustable Output Limiter Plu...
    NATIONAL
  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
    NSC
  • 英文版
    350mW Audio Power Amplifier with Shutdown Mode
    NATIONAL
  • 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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