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LM4835MTE Datasheet

  • LM4835MTE

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

  • 16頁(yè)

  • NSC

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LM4835 Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain
March 1999
LM4835
Stereo 2W Audio Power Amplifiers
with DC Volume Control and Selectable Gain
General Description
The LM4835 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 or 2.2W into 3鈩?(Note 2) with less than 1.0%
THD.
Boomer
廬
audio integrated circuits were designed specifically
to provide high quality audio while requiring a minimum
amount of external components. The LM4835 incorporates a
DC volume control, stereo bridged audio power amplifiers
and a selectable gain or bass boost, making it optimally
suited for multimedia monitors, portable radios, desktop, and
portable computer applications.
The LM4835 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 LM4835MTE will
deliver 2W into 4鈩? The LM4835MT will deliver 1.1W into 8鈩? See the Appli-
cation Information section for LM4835MTE usage information.
Note 2:
An LM4835MTE which has 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
into 3鈩?(LM4835MTE)
into 4鈩?(LM4835MTE)
into 8鈩?(LM4835)
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)
0.7碌A(chǔ)(typ)
Features
PC98 Compliant
DC Volume Control Interface
System Beep Detect
Stereo switchable bridged/single-ended power amplifiers
Selectable internal/external gain and bass boost
configurable
n
鈥淐lick and pop鈥?suppression circuitry
n
Thermal shutdown protection circuitry
n
n
n
n
n
Applications
n
Portable and Desktop Computers
n
Multimedia Monitors
n
Portable Radios, PDAs, and Portable TVs
Block Diagram
Connection Diagram
TSSOP Package
DS100139-2
DS100139-1
FIGURE 1. LM4835 Block Diagram
Top View
Order Number LM4835MT
See NS Package Number MTC28 for TSSOP
Order Number LM4835MTE
See NS Package Number MXA28A for Exposed DAP
TSSOP
Boomer
廬
is a registered trademark of NationalSemiconductor Corporation.
漏 1999 National Semiconductor Corporation
DS100139
www.national.com

LM4835MTE 產(chǎn)品屬性

  • 48

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • Boomer®

  • AB 類(lèi)

  • 2-通道（立體聲）帶立體聲耳機(jī)

  • 2.2W x 2 @ 3 歐姆; 95mW x 2 @ 32 歐姆

  • 2.7 V ~ 5.5 V

  • 消除爆音，靜音，關(guān)機(jī)，熱保護(hù)，音量控制

  • 表面貼裝

  • 28-TSSOP 裸露焊盤(pán)

  • 28-SOIC（0.173"，4.40mm 寬）裸露焊盤(pán)

  • 管件

  • *LM4835MTE

LM4835MTE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
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    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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