MAX9918_11 Datasheet, PDF (9/18 Pages) Maxim Integrated Products – -20V to +75V Input Range, Precision Uni-/Bidirectional, Current-Sense Amplifiers

-20V to +75V Input Range, Precision
Uni-/Bidirectional, Current-Sense Amplifiers
Typical Operating Characteristics (continued)
(V_CC = 5V, T_A = +25°C, unless otherwise noted.)
LINEARITY vs. V_SENSE
0.20
0.18
V_CM = +14V
0.16
V_CC = 5V
0.14
V_REFIN = V_GND
0.12
A_V = 90V/V
0.10
UNIDIRECTIONAL
0.08
T_A = -40°C
0.06
T_A = +25°C
0.04
0.02
0
-0.02
-0.04
-0.06
T_A = +125°C
-0.08
-0.10
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
V_SENSE (mV)
LINEARITY vs. V_SENSE
0.10
0.08
V_CM = +14V
V_CC = 5V
0.06
0.04
T_A = -40°C
T_A = +125°C
V_REFIN = V_CC/2
A_V = 30V/V
BIDIRECTIONAL
0.02
0
-0.02
-0.04
T_A = +25°C
-0.06
-0.08
-0.10
-100 -80 -60 -40 -20 0 20 40 60 80 100
V_SENSE (mV)
LINEARITY vs. V_SENSE
0.25
0.20
0.15
0.10
T_A = +25°C
V_CM = -2V
V_CC = 5V
V_REFIN = V_CC/2
A_V = 30V/V
BIDIRECTIONAL
0.05
0
-0.05
-0.10
T_A = +125°C
T_A = -40°C
-0.15
-0.20
-0.25
-100 -80 -60 -40 -20 0 20 40 60 80 100
V_SENSE (mV)
V_{OUT -} V_REFIN vs. V_SENSE
6.0
5.5 ^{-2V VCM: SOLID LINE}
5.0 ^{14V VCM: DASHED LINE}
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-0.5
MAX9918, V_REFIN = 0V
UNIDIRECTIONAL,
GAIN = 90V/V
-1.0
-20 -10 0 10 20 30 40 50 60 70 80
V_SENSE (mV)
V_OUT - V_REFIN vs. V_SENSE
3.0
2.5
2.0
-2V V_CM: SOLID LINE
14V V_CM: DASHED LINE
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
MAX9918, V_REFIN = V_CC/2
-2.0
BIDIRECTIONAL,
-2.5
GAIN = 90V/V
-3.0
-40 -30 -20 -10 0 10 20 30 40
V_SENSE (mV)
V_OH/V_OL vs. I_OH
350
V_CM = +14V
300
250
200
V_CC - V_OH
150
100
V_OL
50
0
0 1 2 3 4 5 6 7 8 9 10
I_OH (mA)
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