MAX4173 Maxim, MAX4173 Datasheet - Page 4

• Manufacturer Part Number: MAX4173
• Description: The MAX4173 low-cost, precision, high-side current-sense amplifier is available in a tiny SOT23-6 package
• Manufacturer: Maxim

Low-Cost, SOT23, Voltage-Output,
High-Side Current-Sense Amplifier
(V
4
CC
-0.15
-0.30
-0.45
-0.60
-100
0.60
0.45
0.30
0.15
-10
-20
-30
-40
-50
-60
-70
-80
-90
_______________________________________________________________________________________
440
430
420
410
400
390
380
370
0
= +12V, V
0
100
0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
V
SENSE
MAX4173T
TOTAL OUTPUT ERROR vs.
5
POWER-SUPPLY REJECTION
5
= 100mV
1k
RS+
MAX4173H
SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
MAX4173F
10
vs. FREQUENCY
10
FREQUENCY (Hz)
= +12V, V
10k
15
15
MAX4173H
100k
MAX4173F
MAX4173T
20
20
SENSE
1M
25
25
= +100mV, T
10M
30
30
550
500
450
400
350
300
250
200
150
-10
A
-2
-4
-6
-8
-2
-4
-6
6
4
2
0
6
4
2
0
= +25°C, unless otherwise noted.)
-50
0
0
SUPPLY CURRENT vs. TEMPERATURE
MAX4173H
V
-35 -20
SENSE
MAX4173T
5
5
TOTAL OUTPUT ERROR vs.
COMMON-MODE VOLTAGE
COMMON-MODE VOLTAGE (V)
= 6.25mV
TOTAL OUTPUT ERROR
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
MAX4173H
TEMPERATURE (°C)
10
-5
10
10
MAX4173T
15
15
MAX4173T
25
MAX4173H
Typical Operating Characteristics
MAX4173F
40
20
20
MAX4173F
MAX4173F
55
25
25
70
30
85
30
-0.4
-0.8
-1.2
1.2
0.8
0.4
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-1
-2
0
0
4
3
2
1
0
-50
0
0
GAIN ACCURACY vs. TEMPERATURE
SUPPLY CURRENT vs. RS+ VOLTAGE
-35
FULL-SCALE SENSE VOLTAGE
0.5
TOTAL OUTPUT ERROR vs.
-20 -5
MAX4173T
50
MAX4173F
MAX4173T
TEMPERATURE (°C)
1.0
MAX4173H
V
SENSE
V
10
RS+
100
1.5
MAX4173H
(V)
(mV)
25
MAX4173T
MAX4173H
2.0
MAX4173F
40
MAX4173F
150
55
V
2.5
CC
70
= 28V
200
28
85