MAX4372 Maxim, MAX4372 Datasheet - Page 4

• Manufacturer Part Number: MAX4372
• Description: Low-Cost / SOT23 / Micropower / High-Side Current-Sense Amplifier with Voltage Output
• Manufacturer: Maxim

Low-Cost, SOT23, Micropower, High-Side
Current-Sense Amplifier with Voltage Output
(V
4
CC
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
35.0
32.5
30.0
27.5
25.0
_______________________________________________________________________________________
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
= +12V, V
0
0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
0
0
V
G = +50V/V
SENSE
G = +100V/V
G = +20V/V
vs. COMMON-MODE VOLTAGE
4
5
5
COMMON-MODE VOLTAGE (V)
= 5mV
TOTAL OUTPUT ERROR
TOTAL OUTPUT ERROR
G = +20V/V
vs. SUPPLY VOLTAGE
RS+
8
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
G = +50V/V
10
10
= 12V, V
12
15
15
A
16
V
= +100V/V
A
A
V
SENSE
V
20
20
= +50V/V
= +20V/V
20
G = +100V/V
25
25
= 100mV, T
24
30
30
28
A
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
-0.5
-1.0
= +25°C, unless otherwise noted.)
1.5
1.0
0.5
40
35
30
25
20
15
10
0
5
0
0
-40
-40
0
SUPPLY CURRENT vs. TEMPERATURE
GAIN ACCURACY vs. TEMPERATURE
V
TOTAL OUTPUT ERROR vs. V
SENSE
A
50
-15
-15
V
= 5mV
= +100V/V
TEMPERATURE (°C)
TEMPERATURE (°C)
100
A
10
10
V
V
SENSE
= +20V/V
150
A
V
(mV)
= +100V/V
A
Typical Operating Characteristics
A
35
35
V
V
A
= +50V/V
= +20V/V
200
V
= +50V/V
60
60
SENSE
250
85
85
300
-0.2
-0.4
-0.6
-0.8
-1.0
32.0
31.5
31.0
30.5
30.0
29.5
29.0
28.5
28.0
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
1.0
0.8
0.6
0.4
0.2
0
TOTAL OUTPUT ERROR vs. TEMPERATURE
100
-40
0
A
V
V
SENSE
= +20V/V
A
vs. COMMON-MODE VOLTAGE
V
4
POWER-SUPPLY REJECTION
-15
= +50V/V
COMMON-MODE VOLTAGE (V)
= 5mV
SUPPLY CURRENT
8
vs. FREQUENCY
TEMPERATURE (°C)
1k
A
A
FREQUENCY (Hz)
V
V
A
10
= +50V/V
V
= +100V/V
12
= +20V/V
A
V
= +100V/V
16
35
10k
20
60
24
100k
85
28