MAX9918 Maxim, MAX9918 Datasheet - Page 9

• Manufacturer Part Number: MAX9918
• Description: The MAX9918/MAX9919/MAX9920 are single-supply, high-accuracy current-sense amplifiers with a high input common-mode range that extends from -20V to +75V
• Manufacturer: Maxim

(V
CC
= 5V, T
Uni-/Bidirectional, Current-Sense Amplifiers
A
= +25°C, unless otherwise noted.)
-0.02
-0.04
-0.06
-0.08
-0.10
-0.02
-0.04
-0.06
-0.08
-0.10
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.10
0.08
0.06
0.04
0.02
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
3.0
2.5
2.0
1.5
1.0
0.5
_______________________________________________________________________________________
0
0
0
-100
-40
0
-2V V
14V V
5
-80
-30
V
V
V
A
UNIDIRECTIONAL
10 15 20 25 30 35
T
CM
CC
REFIN
V
CM
A
CM
-60 -40 -20
V
= 90V/V
= -40°C
T
= 5V
OUT
: SOLID LINE
-20 -10
LINEARITY vs. V
: DASHED LINE
= +14V
LINEARITY vs. V
A
T
-20V to +75V Input Range, Precision
= V
= +25°C
A
= +125°C
- V
GND
T
T
A
V
V
A
V
REFIN
= +25°C
SENSE
SENSE
SENSE
= +125°C
MAX9918, V
BIDIRECTIONAL,
GAIN = 90V/V
0
0
(mV)
(mV)
(mV)
40 45 50
vs. V
T
20 40
A
10
= -40°C
SENSE
SENSE
V
V
V
A
BIDIRECTIONAL
REFIN
SENSE
CM
CC
REFIN
V
Typical Operating Characteristics (continued)
20
= 30V/V
= 5V
55
= +14V
60
= V
= V
60
30
CC
CC
80
65
/2
/2
100
70
40
-0.05
-0.15
-0.10
-0.20
-0.25
0.15
0.05
0.25
0.20
0.10
-0.5
-1.0
350
300
250
200
150
100
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
50
0
0
0
-100
-20
0
V
-2V V
14V V
CM
-80
-10
1
= +14V
CM
CM
-60 -40 -20
T
V
0
A
T
2
A
LINEARITY vs. V
OUT -
: SOLID LINE
= +25°C
: DASHED LINE
= +125°C
10 20 30
3
V
OH
V
V
V
REFIN
4
SENSE
SENSE
/V
I
MAX9918, V
UNIDIRECTIONAL,
GAIN = 90V/V
OH
OL
V
0
CC
5
(mA)
(mV)
(mV)
vs. I
vs. V
- V
20 40
40 50
6
T
OH
A
SENSE
V
OH
V
V
V
A
BIDIRECTIONAL
= -40°C
OL
CM
CC
REFIN
V
SENSE
REFIN
7
= 30V/V
= 5V
= -2V
60
60
= V
= 0V
8
CC
80
70
9
/2
100
80
10
9