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参数资料
| 型号： | LM4835MTEX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| 封装： | TSSOP-28 |
| 文件页数： | 1/28页 |
| 文件大小： | 917K |
| 代理商： | LM4835MTEX/NOPB |
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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
(Note 1) with less than
1.0% THD or 2.2W into 3
(Note 2) with less than 1.0%
THD.
Boomer 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 LM4835LQ and
LM4835MTE will deliver 2W into 4
. The LM4835MT will deliver 1.1W into
8
. See the Application Information section LM4835LQ and for LM4835MTE
usage information.
Note 2: An LM4835LQ and LM4835MTE that have been properly mounted
to the circuit board and forced-air cooled will deliver 2.2W into 3
.
Key Specifications
n
P
O at 1% THD+N
n
into 3
(LM4835LQ, LM4835MTE)
2.2W (typ)
n
into 4
(LM4835LQ, LM4835MTE)
2.0W (typ)
n
into 8
(LM4835)
1.1W (typ)
n
Single-ended mode - THD+N at 85mW into 32
1.0%
(typ)
n
Shutdown current
0.7A (typ)
Features
n
PC98 Compliant
n
DC Volume Control Interface
n
System Beep Detect
n
Stereo switchable bridged/single-ended power amplifiers
n
Selectable internal/external gain and bass boost
configurable
n
“Click and pop” suppression circuitry
n
Thermal shutdown protection circuitry
Applications
n
Portable and Desktop Computers
n
Multimedia Monitors
n
Portable Radios, PDAs, and Portable TVs
Connection Diagrams
LLP Package
TSSOP Package
10013935
Top View
Order Number LM4835LQ
See NS Package LQA028AA for Exposed-DAP LLP
10013902
Top View
Order Number LM4835MT or LM4835MTE
See NS Package MTC28 for TSSOP
or See NS Package MXA28A for Exposed-DAP TSSOP
Boomer is a registered trademark of NationalSemiconductor Corporation.
February 2003
LM4835
Stereo
2W
Audio
Power
Amplifiers
with
DC
V
olume
Control
and
Selectable
Gain
2003 National Semiconductor Corporation
DS100139
www.national.com
相关PDF资料 |
PDF描述 |
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| LM4835MT/NOPB | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| LM4836MTE/NOPB | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| LM4836MT/NOPB | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| LM4838MTE/NOPB | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| LM4838MT/NOPB | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4835MTX | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4835MTX/HALF | 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 标准包装:80 系列:- 类型:AB 类 输出类型:1-通道（单声道） 在某负载时最大输出功率 x 通道数量:1.25W x 1 @ 8 欧姆 电源电压:2.5 V ~ 5.5 V 特点:消除爆音，差分输入，关闭，热保护 安装类型:表面贴装 供应商设备封装:8-MSOP-PowerPad 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:管件 配用:296-31419-ND - EVAL MODULE FOR TPA6205A1 其它名称:296-34563-5TPA6205A1DGN-ND |
| LM4835MTX/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4836 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux |
| LM4836LQ | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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