MAX9919 Maxim, MAX9919 Datasheet - Page 3

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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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ELECTRICAL CHARACTERISTICS (continued)
(V
90V/V, R2/R1 = 89kΩ/1kΩ; for MAX9920, A
ues are at T
Input Offset Voltage Drift
(Note 3)
Common-Mode Range
Common-Mode Rejection Ratio
(Note 3)
Input Bias Current
Input Offset Current
Input Leakage Current in
Shutdown
Input Leakage Current
Input Resistance
Full-Scale Sense Voltage (Note 4)
Gain (Notes 2, 4)
Minimum Adjustable Gain
CC
= 5V, V
PARAMETERS
A
Uni-/Bidirectional, Current-Sense Amplifiers
RS+
= +25°C.) (Note 1)
= V
RS-
_______________________________________________________________________________________
= +14V, V
-20V to +75V Input Range, Precision
SENSE
( I
SYMBOL
I
RS +
RS+
V
CMRR
V
G
SENSE
V
= (V
OSD
ADJ
CM
G
, I
- I
V
RS-
RS -
= 20V/V, R2/R1 = 79kΩ/1kΩ; T
RS+
)
- V
MAX9918
MAX9919_
MAX9920
Inferred from CMRR tests
M AX 9918, M AX 9919
MAX9920
-20V ≤ V
-20V ≤ V
V
MAX9918,
MAX9919_
MAX9920
Inferred from gain
error test
MAX9918, MAX9920
MAX9919F
MAX9919N
MAX9918
MAX9920
RS+
RS-
) = 0V, V
= V
CM
CM
RS-
≤ +75V
≤ +75V, V
= +14V, +75V, V
SHDN
CONDITIONS
= V
V
V
V
V
V
V
-2V ≤ V
-20V ≤ V
-2V ≤ V
-20V ≤ V
T
T
SHDN
Common mode
Differential
Common mode
Differential
MAX9918, MAX9919_
MAX9920
A
A
RS+
RS+
RS+
RS+
RS+
RS+
GND
= +25°C
= -40°C to +125°C
A
= -40°C to +125°C, unless otherwise noted. Typical val-
= V
= V
= V
= V
= V
= V
= V
= 0V, V
CM
CM
CC
CM
CM
RS-
RS-
RS-
RS-
RS-
RS-
CC
≤ +14V
≤ +14V
= 0V
≤ +75V
≤ +75V
= +14V
= -2V
= +14V
= -2V
= +14V
= -2V
= 5V
REFIN
= V
CC
MIN
/2, R
-20
80
96
72
86
L
= 100kΩ; for MAX9918, A
±1.2
±3.3
±1.8
±1.8
±2.4
±8.8
TYP
715
330
224
200
300
Adj
7.5
50
45
90
30
0
±175
±250
MAX
+75
±30
±30
±8
UNITS
μV/°C
mV
V/V
V/V
dB
μA
μA
μA
μA
Ω
Ω
V
V
3
=

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