Datasheet

(V
DD
= 3.3V, V
CM
= 12V, V
SENSE
= V
FS
/2, V
FS
= (V
DD
- V
OH
- V
OL
)/Gain, V
SHDN
= V
DD
, R
L
= 10kΩ to GND, T
A
= -40°C to +125°C,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Offset Voltage (Note 3) V
OS
MAX44284F (T
A
= +25°C) ±2 ±10
μV
MAX44284F
(-40°C ≤ T
A
≤ +125°C)
±28
MAX44284H (T
A
= +25°C) ±2 ±12
MAX44284H
(-40°C ≤ T
A
≤ +125°C)
±28
MAX44284W (T
A
= +25°C) ±10 ±20.5
MAX44284W
(-40°C ≤ T
A
≤ +125°C)
±38
MAX44284E (T
A
= +25°C) ±15 ±26
MAX44284E
(-40°C ≤ T
A
≤ +125°C)
±40
Input Offset Voltage
Temperature Drift
TCV
OS
50 nV°C
Gain G
MAX44284F 50
V/V
MAX44284H 100
MAX44284W 200
MAX44284E 500
Gain Error (Note 4) GE
MAX44284F (T
A
= +25°C) 0.05 0.15
%
MAX44284F
(-40°C ≤ T
A
≤ +125°C)
0.20
MAX44284H (T
A
= +25°C) 0.05 0.15
MAX44284H
(-40°C ≤ T
A
≤ +125°C)
0.26
MAX44284W (T
A
= +25°C) 0.05 0.15
MAX44284W
(-40°C ≤ T
A
≤ +125°C)
0.35
MAX44284E (T
A
= +25°C) 0.05 0.16
MAX44284E
(-40°C ≤ T
A
≤ +125°C)
0.39
Output Voltage High V
OH
V
OH
= V
DD
- V
OUT
,
R
L
= 10kW to GND
25 35
mV
I
SOURCE
= 100μA 20
Output Voltage Low V
OL
No load 0.3 1
mV
I
SINK
= 100µA 20
Input Differential Impedance 6 MW
Output Impedance 200 mW
MAX44284 36V, Input Common-Mode, High-Precision,
Low-Power Current-Sense Amplier
www.maximintegrated.com
Maxim Integrated │ 3
Electrical Characteristics (continued)