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MAX472ESA Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX472ESA
Description  Precision, High-Side Current-Sense Amplifiers
PDF  12 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX472ESA Datasheet(HTML) 4 Page - Maxim Integrated Products

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Precision, High-Side
Current-Sense Amplifiers
4
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(Typical Operating Circuit (MAX471) or circuit of Figure 4, RG1 = RG2 = 200
Ω, ROUT = 2kΩ (MAX472), TA = +25°C, unless
otherwise noted.)
65
35
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
40
VRS+ (V)
21 24
15 18
912
3
6
27 30 33 36
45
50
55
60
TA = +85°C
TA = +25°C
TA = -40°C
2.5
0
0.5
2.0
1.5
1.0
SHUTDOWN CURRENT vs.
SUPPLY VOLTAGE
VRS+(V)
21 24
15 18
912
3
6
27 30 33 36
TA = +85°C
TA = -40°C
TA = +25°C
4
-2
SIGN THRESHOLD vs.
SUPPLY VOLTAGE
-1
21 24
15 18
912
3
6
27 30 33 36
0
1
2
3
TA = +85°C
TA = +25°C
TA = -40°C
VRS+ (V)
0.6
MAX471
NO-LOAD OFFSET CURRENT vs.
SUPPLY VOLTAGE
VRS+ (V)
21 24
15 18
912
3
6
27 30 33 36
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
VS+ = VS-
TA = -40°C
TA = +85°C
TA = +25°C
28
-40
80
TEMPERATURE (°C)
20
30
-20
0
60
40
MAX471
RS+ TO RS- RESISTANCE vs.
TEMPERATURE
32
34
36
38
40
-12
0.01
0.10
MAX471
ERROR vs. LOAD CURRENT
ILOAD (A)
110
-15
-6
-9
-3
0
3
6
9
12
15
ILOAD FROM RS+ TO RS-
ILOAD FROM RS- TO RS+
40
0.01
10
1000
MAX471
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
POWER-SUPPLY FREQUENCY (kHz)
1
100
35
30
25
20
15
10
5
0
0.10
V = 0mV TO 50mV
V = 0V TO 1V
V = 0V TO 0.5V
ILOAD = 1A
5V
RS+
OUT
GND
RS–
A
1
µF
5
Ω
V
3.0
0
MAX472
NO-LOAD OUTPUT ERROR vs.
SUPPLY VOLTAGE
0.5
VCC (V)
21 24
15 18
912
3
6
27 30 33 36
1.0
1.5
2.0
2.5
TA = +85°C
TA = -40°C
TA = +25°C
RG1 = RG2 = 0
Ω
0.70
MAX472
ERROR vs. SUPPLY VOLTAGE
VCC (V)
21 24
15 18
912
3
6
27 30 33 36
VRG1-VRG2 = 60mV,
RG1 = RG2 = 200
Ω
0.80
0.90
1.00
1.10
TA = -40°C
TA = +25°C
TA = +85°C



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