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MAX9938_V01 PDF预览

MAX9938_V01

更新时间： 2024-11-15 02:51:03
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
15页 1386K
描述
nanoPower, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier

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中文翻译

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MAX9938_V01 数据手册

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EVALUATION KIT AVAILABLE  
MAX9938  
nanoPower, 4-Bump UCSP/SOT23,  
Precision Current-Sense Amplifier  
General Description  
The MAX9938 high-side current-sense amplifier offers  
precision accuracy specifications of V  
(max) and gain error less than 0.5% (max). Quiescent  
supply current is an ultra-low 1μA. The MAX9938 fits  
in a tiny, 1mm x 1mm UCSP™ package size or a 5-pin  
SOT23 package, making the part ideal for applications in  
notebook computers, cell phones, PDAs, and all battery-  
operated portable devices where accuracy, low quiescent  
current, and small size are critical.  
Features  
● Ultra-Low Supply Current of 1μA (max)  
● Low 500μV (max) Input Offset Voltage  
● Low < 0.5% (max) Gain Error  
● Input Common Mode: +1.6V to +28V  
● Voltage Output  
less than 500μV  
OS  
● Four Gain Versions Available  
• +25V/V (MAX9938T)  
• 50V/V (MAX9938F)  
The MAX9938 features an input common-mode voltage  
range from 1.6V to 28V. These current-sense ampli-  
fiers have a voltage output and are offered in four gain  
versions: 25V/V (MAX9938T), 50V/V (MAX9938F),  
100V/V (MAX9938H), and 200V/V (MAX9938W).  
• 100V/V (MAX9938H)  
• 200V/V (MAX9938W)  
● Tiny 1mm x 1mm x 0.6mm, 4-Bump UCSP, 5-Pin  
SOT23, or 2mm x 2mm x 0.8mm, 6-Pin μDFN  
Packages  
The four gain selections offer flexibility in the choice of  
the external current-sense resistor. The very low 500μV  
(max) input offset voltage allows small 25mV to 50mV  
Ordering Information  
PIN-  
PACKAGE  
GAIN  
(V/V)  
TOP  
MARK  
PART  
full-scale V  
voltage for very low voltage drop at  
SENSE  
full-current measurement.  
MAX9938TEBS+G45  
MAX9938FEBS+G45  
MAX9938HEBS+G45  
MAX9938WEBS+G45  
MAX9938TEUK+  
4 UCSP  
4 UCSP  
4 UCSP  
4 UCSP  
5 SOT23  
5 SOT23  
5 SOT23  
5 SOT23  
6 µDFN  
25  
50  
+AGD  
+AGE  
+AGF  
The MAX9938 is offered in tiny 4-bump, UCSP (1mm x  
1mm x 0.6mm footprint), 5-pin SOT23, and 6-pin μDFN  
(2mm x 2mm x 0.8mm) packages specified for operation  
over the -40°C to +85°C extended temperature range.  
100  
200  
25  
+AGI  
+AFFB  
+AFFC  
+AFFD  
+AFGZ  
+ACM  
Applications  
● Cell Phones  
● PDAs  
● Power Management Systems  
● Portable/Battery-Powered Systems  
● Notebook Computers  
MAX9938FEUK+  
50  
MAX9938HEUK+  
MAX9938WEUK+  
MAX9938FELT+  
100  
200  
50  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
G45 indicates protective die coating.  
Note: All devices are specified over the -40°C to +85°C  
extended temperature range.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
Pin Configurations  
TOP VIEW  
(BUMPS ON BOTTOM)  
TOP VIEW  
(PADS ON BOTTOM)  
RS+  
5
RS-  
4
RS+  
A1  
B1  
A2  
B2  
RS-  
RS-  
6
1
OUT  
N.C.  
GND  
MAX9938T  
MAX9938ꢀ  
MAX9938ꢁ  
MAX9938ꢂ  
MAX9938T  
MAX9938ꢀ  
MAX9938ꢁ  
MAX9938ꢂ  
MAX9938ꢀꢃꢄT  
5
4
N.C.  
RS+  
2
3
GND  
OUT  
1
2
3
UCSP  
GND  
GND  
OUT  
ꢅꢆꢀꢇ  
SOT23  
DRAWINGS NOT TO SCALE  
19-4110; Rev 7; 4/17  
1234567...15

中文翻译

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MAX9938FELT MAXIM

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MAX9938FELT+T MAXIM

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 		Operational Amplifier, 1 Func, 600uV Offset-Max, BICMOS, PDSO6, 2 X 2 MM, 0.75 MM, ROHS CO
MAX9938FELT+TG7 MAXIM

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 		Operational Amplifier,
MAX9938FEUK MAXIM

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 		1レA, 4-Bump UCSP/SOT23, Precision Current-Sen

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