MAX9919 Maxim, MAX9919 Datasheet - Page 4

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MAX9919

Manufacturer Part Number
MAX9919
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
Datasheet

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-20V to +75V Input Range, Precision
Uni-/Bidirectional, Current-Sense Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
90V/V, R2/R1 = 89kΩ/1kΩ; for MAX9920, A
ues are at T
4
Gain Error
(Note 2)
FB Input Bias Current
Output-Voltage High (Note 4)
Output-Voltage Low (Note 4)
Short-Circuit Current
Output Resistance
REFIN Voltage Range
CC
_______________________________________________________________________________________
= 5V, V
PARAMETER
A
RS+
= +25°C.) (Note 1)
= V
RS-
= +14V, V
SENSE
V
SYMBOL
CC
R
V
GE
I
I
OUT
= (V
FB
SC
OL
- V
V
OH
= 20V/V, R2/R1 = 79kΩ/1kΩ; T
RS+
Inferred from REFIN
CMRR test
V
MAX9918, MAX9919_,
V
MAX9920
V
MAX9918, MAX9919_,
V
MAX9920
MAX9918
MAX9919F
MAX9919N
MAX9920
MAX9918, MAX9920
OUT shorted to V
OUT shorted to GND
- V
SENSE
SENSE
SENSE
SENSE
RS-
) = 0V, V
= 200mV for
= 400mV for
= -200mV for
= -400mV for
V
+14V
V
-2V, V
0V
V
+14V, V
0V
V
-2V, V
0V
V
+14V, V
0V
V
-2V, V
0V
V
+14V, V
0V
V
-2V, V
0V
SHDN
RS+
RS+
RS+
RS+
RS+
RS+
RS+
RS+
CONDITIONS
CC
= V
= V
= V
= V
= V
= V
= V
= V
REFIN
REFIN
REFIN
REFIN
= V
REFIN
REFIN
REFIN
RS-
RS-
RS-
RS-
RS-
RS-
RS-
RS-
GND
M AX 9918, M AX9919_
R
R
R
R
MAX9920
=
=
=
=
L
L
L
L
A
=
=
=
=
=
=
=
=
=
=
=
= 100kΩ to GND
= 10kΩ to GND
= 100kΩ to V
= 10kΩ to V
= -40°C to +125°C, unless otherwise noted. Typical val-
= 0V, V
T
V
T
+125°C,
V
T
T
+125°C
T
T
+125°C
T
T
+125°C
T
T
+125°C
T
T
+125°C
T
T
+125°C
T
T
+125°C
A
REFIN
A
REFIN
A
A
A
A
A
A
A
A
A
A
A
A
A
A
= +25°C,
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
= +25°C
= -40°C to
REFIN
= 0V
= 0V
CC
CC
= V
CC
MIN
/2, R
0
0
L
= 100kΩ; for MAX9918, A
±0.08
±0.02
±0.13
±0.10
±0.16
±0.11
±0.29
±0.24
TYP
V
V
0.1
12
10
44
41
/2
/2
3
3
CC
CC
5
±0.45
±0.45
V
V
MAX
±0.6
±1.2
±0.6
±1.0
±1.2
±0.9
±0.6
±1.2
±0.6
±1.0
±1.0
±1.7
±1.0
±1.7
1.9
2.4
10
10
40
CC
CC
15
40
-
-
UNITS
mA
mV
mV
nA
%
Ω
V
V
=

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