Datasheet

(V
CC
= 3.3V, V
RS+
= 12V, T
A
= +25°C, unless otherwise noted.)
GAIN ACCURACY
HISTOGRAM
MAX9928 toc02
GAIN ACCURACY (%)
FREQUENCY (%)
0.8
0.6
0.4
-0.6 -0.4
0.2
-0.2
0
-0.8
5
10
15
20
25
30
0
-1.0
1.0
A
V
= 50V/V
OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
MAX9928 toc03
COMMON-MODE VOLTAGE (V)
OFFSET VOLTAGE (mV)
320 1
-1.5
-1.0
-0.5
0
1.0
0.5
1.5
2.0
-2.0
-1 28
OFFSET VOLTAGE vs. TEMPERATURE
MAX9928 toc04
TEMPERATURE (°C)
OFFSET VOLTAGE (mV)
1109565 80-10 5 20 35 50-25
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40 125
V
CM
= 3.6V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9928 toc05
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
5.04.54.03.53.0
25
50
75
100
125
150
0
2.5 5.5
V
RS+
= 0V
V
SENSE
= 0V
V
RS+
= 3.6V
SUPPLY CURRENT
vs. COMMON-MODE VOLTAGE
MAX9928 toc06
COMMON-MODE VOLTAGE (V)
SUPPLY CURRENT (µA)
2.01.51.00.50
30
60
90
150
120
0
-0.5 28
V
CC
= 5.5V
V
CC
= 2.5V
SUPPLY CURRENT
vs. TEMPERATURE
MAX9928 toc07
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
7550250-25
25
50
75
100
125
150
0
-50 125100
V
RS+
= 0V
V
SENSE
= 0V
V
RS+
= 3.6V
-80
-60
-70
-30
-40
-50
0
-10
-20
10
-2 2 40 6 8 10
28
INPUT BIAS CURRENT
vs. COMMON-MODE VOLTAGE
MAX9928 toc08
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (µA)
-0.1
V
OS
HISTOGRAM
MAX9928 toc01
FREQUENCY (%)
0.30
0.200.10
-0.20 -0.10
0
-0.30
5
10
15
20
25
30
35
40
45
0
-0.40
0.40
A
V
= 50V/V
V
OS
(mV)
MAX9928/MAX9929 -0.1V to +28V Input Range, Micropower,
Uni-/Bidirectional, Current-Sense Ampliers
Maxim Integrated │ 5
www.maximintegrated.com
Typical Operating Characteristics