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MAX4378HASD

更新时间： 2024-11-24 22:24:43
品牌 Logo 应用领域
美信 - MAXIM 放大器
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9页 224K
描述
Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain

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19-1781; Rev 2; 10/00  
Single/Dual/Quad High-Side Current-Sense  
Amplifiers with Internal Gain  
General Description  
Features  
The MAX4376/MAX4377/MAX4378 single, dual, and  
quad precision high-side current-sense amplifiers are  
available in space-saving packages. They feature  
buffered voltage outputs that eliminate the need for  
gain-setting resistors and are ideal for today’s notebook  
computers, cell phones, and other systems where cur-  
rent monitoring is critical. These precision devices are  
offered in three fixed-gain versions of 20, 50, and 100:  
ꢀ Low-Cost Single/Dual/Quad High-Side Current-  
Sense Amplifiers  
ꢀ ±±0.5 Tꢀpiꢁal Full-Sꢁale Aꢁꢁuraꢁꢀ  
ꢀ +3V to +28V Supplꢀ Operation  
ꢀ Adjustable Current-Sense Capabilitꢀ with External  
Sense Resistor  
ꢀ Buffered Output Voltage with 2mA Drive  
ꢀ 1mA (tꢀp) Supplꢀ Current  
ꢀ 20±MHz Bandwidth (Gain = +2±V/V)  
ꢀ Automotive Temperature Range (-4±°C to +12.°C)  
GAIN  
20  
SUFFIX  
T
F
H
50  
100  
ꢀ Full ± to 28V Common-Mode Range, Independent  
For example, MAX4376TAUK is a single high-side  
amplifier with a gain of 20.  
of Supplꢀ Voltage  
ꢀ Three Gain Versions Available  
+2±V/V (MAX437_T)  
High-side current monitoring is especially useful in bat-  
tery-powered systems since it does not interfere with  
the ground path of the battery charger. The input com-  
mon-mode range of 0 to +28V is independent of the  
supply voltage and ensures that the current-sense  
feedback remains viable even when connected to a  
battery pack in deep discharge.  
+.±V/V (MAX437_F)  
+1±±V/V (MAX437_H)  
ꢀ Available in Spaꢁe-Saving .-pin SOT23 (Single),  
8-pin µMAX (Dual), and 14-pin TSSOP (Quad)  
Ordering Information  
The full-scale current reading can be set by choosing  
the appropriate voltage gain and external-sense resis-  
tor. This capability offers a high level of integration and  
flexibility, resulting in a simple and compact current-  
sense solution.  
GAIN  
(+V/+V)  
TEMP.  
RANGE  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
MAX4376TAUK-T  
20  
50  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
8 SO  
ADOG  
ADOH  
ADOI  
—
MAX4376FAUK-T  
The MAX4376/MAX4377/MAX4378 operate over a sup-  
ply voltage range of +3V to +28V, draw 1mA of supply  
current per amplifier, and operate over the full automo-  
tive temperature range of -40°C to +125°C. These  
devices have a wide bandwidth of 2MHz, making them  
suitable for use inside battery-charger control loops.  
The buffered outputs drive up to 2mA of output current  
into a ground-referenced load.  
MAX4376HAUK-T 100  
MAX4376TASA  
MAX4376FASA  
MAX4376HASA  
20  
50  
8 SO  
—
100  
8 SO  
—
Ordering Information continued at end of data sheet.  
The MAX4376 is available in a tiny 5-pin SOT23 pack-  
age. The MAX4377/MAX4378 are available in space-  
saving 8-pin µMAX and 14-pin TSSOP packages,  
respectively.  
Pin Configurations  
TOP VIEW  
Applications  
OUT  
GND  
1
2
3
5
4
RS-  
RS+  
Notebook Computers  
Current-Limited Power  
Supplies  
Portable/Battery-Powered  
Systems  
Cell Phones  
Smart Battery Packages  
Automotive Current Detect  
MAX4376  
Fuel Gauges in PC  
V
CC  
General-System/Board-  
Level Current Monitoring  
Battery Chargers  
Power Management  
Systems  
SOT23  
PA Bias Control  
Pin Configurations continued at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...9

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MAX4378HASD 替代型号

型号 品牌 替代类型 描述 数据表
MAX4378HASD+T MAXIM

完全替代

 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HASD-T MAXIM

类似代替

 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HASD+ MAXIM

类似代替

 暂无描述

与MAX4378HASD相关器件

型号 品牌 获取价格 描述 数据表
MAX4378HASD+ MAXIM

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 		暂无描述
MAX4378HASD+T MAXIM

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 		Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HASD-T MAXIM

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 		Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HAUD MAXIM

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 		Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
MAX4378HAUD+T MAXIM

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 		Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, TSSOP-14
MAX4378HAUD-T MAXIM

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 		Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, TSSOP-14
MAX4378HAUK-T MAXIM

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 		Analog IC
MAX4378TASA MAXIM

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 		Analog IC
MAX4378TASD MAXIM

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 		Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
MAX4378TASD+ MAXIM

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 		Operational Amplifier, 1 Func, BICMOS, PDSO14, SOIC-14

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