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| 型号： | MAX98400AETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO STEREO D 36TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | D 类 |
| 输出类型： | 2 通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 20W x 2 @ 8 欧姆 |
| 电源电压： | 8 V ~ 28 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 包装： | 管件 |
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Stereo, High-Power, Class D Amplifiers
MAX98400A/MAX98400B
General Description
The MAX98400A/MAX98400B Class D amplifiers provide
high-performance, thermally efficient amplifier solutions. The
MAX98400A delivers 2x20W into 8I loads or 1x40W into a
4I load. The MAX98400B delivers 2x12W into 8I loads.
An integrated limiting circuit prevents output clipping
distortion, protects small speakers from transient volt-
ages, and reduces power dissipation.
A thermal-foldback feature can be enabled to automati-
cally reduce the output power at above a junction tem-
perature of +120NC. Traditional thermal protection is also
available in addition to robust overcurrent protection.
The ICs operate from a single 8V to 28V supply and
provide a high 67dB PSRR, eliminating the need for a
regulated power supply. They offer up to 90% efficiency
from a 12V supply.
Filterless modulation allows the ICs to pass EN55022B
EMI limits with 1m cables using only a low-cost ferrite
bead and small-value capacitor on each output.
Both devices feature eight digitally controlled gain settings.
Comprehensive click-and-pop reduction circuitry mini-
mizes noise coming into and out of shutdown.
The MAX98400A/MAX98400B are available in 36-pin
and 24-pin TQFN packages, respectively, and are speci-
fied over the -40NC to +85NC temperature range.
Features
S
Wide 8V to 28V Supply Voltage Range
S
Single-Supply Operation
S
Low EMI: Active Emissions Limiting
S
Clipping Limiter
S
Low Quiescent Current
S
Thermal Foldback
S
Thermal and Overcurrent Protection
Applications
LCD/PDP Televisions
LCD Monitors
MP3 Docking Stations
Notebook PCs
Ordering Information
19-5286; Rev 0; 6/10
Simplified Block Diagram
Note: Devices operate over the -40°C to +85°C temperature
range.
*EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
PART
PIN-PACKAGE
SPEC
MAX98400AETX+
36 TQFN-EP*
2x20W
MAX98400BETG+
24 TQFN-EP*
2x12W
INR-
INR+
OUTR-
OUTR+
PGA
CLIPPING
LIMITER
CLASS D
MODULATOR
AND H-BRIDGE
INL-
INL+
OUTL-
OUTL+
MONO*
PGA
CLIPPING
LIMITER
CLASS D
MODULATOR
AND H-BRIDGE
*MAX98400A ONLY
MAX98400A/B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX98400AETX+ | 功能描述:音频放大器 Stereo Class D Amplifier 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 |
| MAX98400AETX+T | 功能描述:音频放大器 Stereo Class D Amplifier 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 |
| MAX98400AEVKIT+ | 功能描述:音频 IC 开发工具 MAX98400A Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX98400BETG+ | 功能描述:音频放大器 Stereo Class D Amplifier 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 |
| MAX98400BETG+T | 功能描述:音频放大器 Stereo Class D Amplifier 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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