MAX4172EUA(1996) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX4172EUA Datasheet PDF : 8 Pages
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Low-Cost, Precision, High-Side
Current-Sense Amplifier
____________________________Typical Operating Characteristics (continued)
(V+ = +12V, VRS+ = 12V, ROUT = 1kΩ, TA = +25°C, unless otherwise noted.)
ERROR vs. SENSE VOLTAGE
40
35
30
25
20
15
10
5
0
-5
0.1m
1m
10m
100m
1
VSENSE (V)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
35
30
VSENSE = 100mV
25
20
0.5Vp-p
15
1.0Vp-p
10
5
5mVp-p
0
0.01 0.1
1
10 100 1000
POWER-SUPPLY FREQUENCY (kHz)
OUTPUT ERROR
vs. COMMON-MODE VOLTAGE
0.75
VSENSE = 100mV
0.55
0.35
0.15
-0.05
-0.25
-0.45
TA = -40°C
TA = +25°C
TA = +85°C
-0.65
0 6 12 18 24 30 40
VRS- (V)
V+ THRESHOLD FOR PG OUTPUT LOW
vs. TEMPERATURE
2.95
2.90
2.85
2.80
V+ RISING VOLTAGE
2.75
2.70
2.65
2.60
V+ FALLING VOLTAGE
2.55
2.50
2.45
-40 -15 10 35
60
85
TEMPERATURE (°C)
0mV to 10mV VSENSE TRANSIENT RESPONSE
MAX4172-08
VSENSE
5mV/div
GND
0mV to 100mV VSENSE TRANSIENT RESPONSE
MAX4172-09
VSENSE
50mV/div
GND
VOUT
50mV/div
GND
VOUT
500mV/div
GND
10µs/div
10µs/div
4 _______________________________________________________________________________________
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