MAX4172EUA(2012) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX4172EUA Datasheet PDF : 9 Pages
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MAX4172
Low-Cost, Precision, High-Side
Current-Sense Amplifier
Power-Supply Bypassing and Grounding
In most applications, grounding the MAX4172 requires
no special precautions. However, in high-current sys-
tems, large voltage drops can develop across the
ground plane, which can add to or subtract from VOUT.
Use a single-point star ground for the highest current-
measurement accuracy.
The MAX4172 requires no special bypassing and
responds quickly to transient changes in line current. If
the noise at OUT caused by these transients is a prob-
lem, you can place a 1µF capacitor at the OUT pin to
ground. You can also place a large capacitor at the RS
terminal (or load side of the MAX4172) to decouple the
load, reducing the current transients. These capacitors
are not required for MAX4172 operation or stability. The
RS+ and RS- inputs can be filtered by placing a capac-
itor (e.g., 1µF) between them to average the sensed
current.
___________________Chip Information
SUBSTRATE CONNECTED TO GND
Package Information
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
PACKAGE TYPE
SO
µMAX
PACKAGE CODE
S8+4
U8+1
OUTLINE NO.
21-0041
21-0036
LAND
PATTERN NO.
90-0096
90-0092
8
Maxim Integrated
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