Single/Dual/Quad, High-Side Current-Sense
Amplifiers with Internal Gain
MAX4376/MAX4377/MAX4378
Typical Operating Characteristics
(V
CC
= V
RS+
= 12V, V
SENSE
= 100mV, T
A
= +25°C.)
SUPPLY CURRENT (PER AMPLIFIER)
vs. TEMPERATURE
MAX4376/7/8 toc02
MAX4376/7/8 toc01
SUPPLY CURRENT (PER AMPLIFIER)
vs. SUPPLY VOLTAGE
1.00
0.95
0.90
SUPPLY CURRENT (mA)
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0
5
10
15
20
25
30
SUPPLY VOLTAGE (V)
0.2
0
-50
MAX4376T
MAX4376H
MAX4376F
1.4
1.2
SUPPLY CURRENT (mA)
TOTAL OUTPUT ERROR
vs. SUPPLY VOLTAGE (V
SENSE
= 100mV)
1.0
TOTAL OUTPUT ERROR (%)
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
MAX4376H
MAX4376T
MAX4376F
MAX4376/7/8 toc03
1.2
MAX4376H
1.0
0.8
0.6
0.4
MAX4376F
MAX4376T
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
TOTAL OUTPUT ERROR
vs. SUPPLY VOLTAGE (V
SENSE
= 6.25mV)
MAX4376/7/8 toc04
TOTAL OUTPUT ERROR
vs. COMMON-MODE VOLTAGE
0.8
TOTAL OUTPUT ERROR (%)
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
MAX4376F
MAX4376T
MAX4376H
MAX4376/7/8 toc05
6
5
4
TOTAL OUTPUT ERROR (%)
3
2
1
0
-1
-2
-3
-4
0
5
10
15
20
25
MAX4376T
MAX4376F
MAX4376H
1.0
30
0
5
10
15
20
25
30
SUPPLY VOLTAGE (V)
COMMON-MODE VOLTAGE (V)
GAIN ACCURACY
vs. TEMPERATURE
MAX4376/7/8 toc06
TOTAL OUTPUT ERROR
vs. TEMPERATURE
0.8
TOTAL OUTPUT ERROR (%)
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
MAX4376H
MAX4376T
MAX4376F
MAX4376/7/8 toc07
2.0
1.5
GAIN ACCURACY (%)
1.0
MAX4376H
0.5
0
-0.5
-1.0
-1.5
-2.0
-50
-25
0
25
50
75
100
MAX4376T
MAX4376F
1.0
125
-50
-25
0
25
50
75
100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
