MAX4172 데이터 시트보기 (PDF) - Maxim Integrated
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MAX4172 Datasheet PDF : 9 Pages
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MAX4172
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)
OUTPUT ERROR
vs. COMMON MODE VOLTAGE
1.0
TA = +85°C
VSENSE = 100mV
0.6
0.2
TA = -40°C
TA = +25°C
-0.2
TA = +105°C
-0.6
-1.0
-1.4
-1.8
0 4 8 12 16 20 24 28 32
V+ (V)
0 to 10mV VSENSE TRANSIENT RESPONSE
MAX4172-08
VSENSE
5mV/div
GND
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)
V+ THRESHOLD FOR PG OUTPUT LOW
vs. TEMPERATURE
2.98
2.88
2.78
2.68
2.58
2.48
2.38
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
0 to 100mV VSENSE TRANSIENT RESPONSE
MAX4172-09
VSENSE
50mV/div
GND
VOUT
50mV/div
GND
10µs/div
VOUT
500mV/div
GND
10µs/div
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