Datasheet

0.75
0.55
-0.65
0 6 30 40
OUTPUT ERROR
vs. COMMON-MODE VOLTAGE
-0.45
-0.25
0.35
0.15
MAX4172-06
V
RS-
(V)
ERROR (%)
12 18
-0.05
24
T
A
= -40°C
T
A
= +25°C
V
SENSE
= 100mV
T
A
= +85°C
2.95
2.90
2.45
-40 -15 85
V+ THRESHOLD FOR PG OUTPUT LOW
vs. TEMPERATURE
2.50
2.55
2.60
2.85
2.80
2.75
2.70
MAX4172-07
TEMPERATURE (°C)
V+ TRIP THRESHOLD (V)
10 35
2.65
60
V+ RISING VOLTAGE
V+ FALLING VOLTAGE
40
-5
0.1m 10m 100m1m 1
ERROR vs. SENSE VOLTAGE
0
MAX4172-04
V
SENSE
(V)
ERROR (%)
10
5
15
20
25
30
35
35
0
0.01 0.1 1 10 100 1000
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
5
MAX4172-05
POWER-SUPPLY FREQUENCY (kHz)
ERROR (%)
15
10
20
30
25
5mV
P-P
1.0V
P-P
0.5V
P-P
V
SENSE
= 100mV
10µs/div
0 to 10mV V
SENSE
TRANSIENT RESPONSE
GND
V
SENSE
5mV/div
V
OUT
50mV/div
GND
MAX4172-08
10µs/div
0 to 100mV V
SENSE
TRANSIENT RESPONSE
GND
V
SENSE
50mV/div
V
OUT
500mV/div
GND
MAX4172-09
____________________________Typical Operating Characteristics (continued)
(V+ = +12V, V
RS+
= 12V, R
OUT
= 1kΩ, T
A
= +25°C, unless otherwise noted.)
MAX4172
Low-Cost, Precision, High-Side
Current-Sense Amplifier
4
Maxim Integrated