Datasheet

Bidirectional, High-Side, Current-Sense
Amplifiers with Reference
Typical Operating Characteristics
(V
CC
= V
RS+
= 12V, V
SENSE
= 50mV for gain of 100V/V and 75mV for gain of 50V/V, T
A
= +25°C, unless otherwise noted.)
MAX4069
REFOUT vs. TEMPERATURE
MAX4069-72 toc09
TEMPERATURE (°C)
REFOUT (V)
1007525 500-25
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
1.245
1.250
1.200
-50 125
REFOUT CONNECTED TO ADJ
SUPPLY CURRENT vs. TEMPERATURE
MAX4069-72 toc08
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
1007550250-25
60
80
100
120
140
160
180
40
-50 125
A
V
= 50V/V
V
CC
= 24V
V
CC
= 12V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4069-72 toc07
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
22204 6 8 12 14 1610 18
70
80
90
100
110
120
130
140
60
224
A
V
= 100V/V
MAX4071
MAX4070
MAX4069
MAX4072
TOTAL ERROR vs. TEMPERATURE
MAX4069-72 toc06
TEMPERATURE (°C)
TOTAL ERROR (%)
1007550250-25
-1.0
-0.5
0
0.5
1.0
1.5
-1.5
-50 125
V
SENSE
= 50mV
A
V
= 100V/V
V
CC
= 24V
V
CC
= 12V
TOTAL ERROR vs. SUPPLY VOLTAGE
(V
SENSE
= 3mV)
MAX4069-72 toc05
SUPPLY VOLTAGE (V)
TOTAL ERROR (%)
1814610
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
222
A
V
= 100V/V
A
V
= 50V/V
TOTAL ERROR vs. SUPPLY VOLTAGE
MAX4069-72 toc04
SUPPLY VOLTAGE (V)
TOTAL ERROR (%)
222016 188 10 12 146
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
424
V
SENSE
= 75mV
A
V
= 50V/V
V
SENSE
= 50mV
A
V
= 100V/V
(V
OUT
- V
REF
) vs. V
SENSE
MAX4069-72 toc03
V
SENSE
(V)
(V
OUT
- V
REF
) (V)
225200150 17550 75 100 12525
1
2
3
4
5
6
7
8
9
10
11
12
0
0 250
A
V
= 100V/V
A
V
= 50V/V
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX4069-72 toc02
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE (μV)
1007525 500-25
-125
-100
-75
0
25
50
75
100
125
150
-150
-50 125
-50
-25
A
V
= 100V/V
INPUT OFFSET VOLTAGE DISTRIBUTION
MAX4069-72 toc01
V
OS
(μV)
PERCENTAGE OF UNITS (%)
160
120
80 40
0
-40 -80
-120
5
10
15
20
25
0
-160
200
-200
30
35
MAX4069–MAX4072
6
Maxim Integrated