MAX4072 Maxim, MAX4072 Datasheet - Page 6

• Manufacturer Part Number: MAX4072
• Description: The MAX4069–MAX4072 low-cost, bidirectional, high-side, current-sense amplifiers are ideal for monitoring battery charge and discharge currents in notebooks, cell phones, and other portable equipment
• Manufacturer: Maxim

Bidirectional, High-Side, Current-Sense
Amplifiers with Reference
(V
6
CC
-0.1
-0.2
-0.3
-0.4
-0.5
140
130
120
110
100
0.5
0.4
0.3
0.2
0.1
90
80
70
60
_______________________________________________________________________________________
25
20
15
10
35
30
0
5
0
= V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
4
2
INPUT OFFSET VOLTAGE DISTRIBUTION
A
TOTAL ERROR vs. SUPPLY VOLTAGE
RS+
V
4
6
= 100V/V
6
= 12V, V
8
V
A
SENSE
V
8
10 12 14
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
= 50V/V
MAX4072
10
= 75mV
MAX4071
MAX4070
V
V
A
12 14 16
SENSE
SENSE
V
OS
= 100V/V
MAX4069
(μV)
= 50mV
16 18
= 50mV for gain of 100V/V and 75mV for gain of 50V/V, T
18
20
20
22
22
24
24
-100
-125
-150
-0.5
-1.0
-1.5
-2.0
150
125
100
-25
-50
-75
180
160
140
120
100
2.0
1.5
1.0
0.5
75
50
25
80
60
40
0
0
-50
-50
2
SUPPLY CURRENT vs. TEMPERATURE
TOTAL ERROR vs. SUPPLY VOLTAGE
A
V
= 50V/V
-25
-25
6
INPUT OFFSET VOLTAGE
A
vs. TEMPERATURE
0
V
SUPPLY VOLTAGE (V)
0
V
TEMPERATURE (°C)
(V
TEMPERATURE (°C)
= 100V/V
CC
10
SENSE
= 24V
25
25
A
V
= 3mV)
= 50V/V
14
50
50
Typical Operating Characteristics
V
CC
75
75
18
= 12V
A
V
= 100V/V
100
100
22
125
125
A
= +25°C, unless otherwise noted.)
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200
-0.5
-1.0
-1.5
1.5
1.0
0.5
12
11
10
9
8
7
6
5
4
3
2
1
0
0
-50
-50
0
A
REFOUT CONNECTED TO ADJ
V
A
V
TOTAL ERROR vs. TEMPERATURE
25
SENSE
V
= 100V/V
= 100V/V
-25
-25
REFOUT vs. TEMPERATURE
50 75 100 125
(V
V
= 50mV
CC
OUT
0
= 12V
0
TEMPERATURE (°C)
TEMPERATURE (°C)
- V
MAX4069
V
25
REF
25
SENSE
A
V
) vs. V
V
CC
= 50V/V
(V)
50
150 175
50
= 24V
SENSE
75
75
200
100
100
225
250
125
125