參數(shù)資料
型號(hào)： MAX98400AETX+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 0K
描述： IC AMP AUDIO STEREO D 36TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
類型： D 類
輸出類型： 2 通道（立體聲）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 20W x 2 @ 8 歐姆
電源電壓： 8 V ~ 28 V
特點(diǎn)： 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 36-TQFN 裸露焊盤（6x6）
封裝/外殼： 36-WFQFN 裸露焊盤
包裝： 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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX98400AETX+ 功能描述:音頻放大器 Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX98400AETX+T 功能描述:音頻放大器 Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX98400AEVKIT+ 功能描述:音頻 IC 開(kāi)發(fā)工具 MAX98400A Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
MAX98400BETG+ 功能描述:音頻放大器 Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX98400BETG+T 功能描述:音頻放大器 Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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