MAX4081 Maxim, MAX4081 Datasheet - Page 5

• Manufacturer Part Number: MAX4081
• Description: The MAX4080/MAX4081 are high-side, current-sense amplifiers with an input voltage range that extends from 4
• Manufacturer: Maxim

(V
-0.05
-0.10
-0.15
-0.20
-100
-110
-120
CC
-10
-20
-30
-40
-50
-60
-70
-80
-90
35
30
25
20
15
10
0
5
0
0
= V
76V, High-Side, Current-Sense Amplifiers with
-125
1
4
INPUT OFFSET VOLTAGE HISTOGRAM
V
RS+
RS+
-100
REFERENCE REJECTION RATIO
= 48V
16
10
GAIN ACCURACY vs. V
-75 -50 -25
INPUT OFFSET VOLTAGE (µV)
= 48V, V
vs. FREQUENCY
MAX4081F/T/S
28
FREQUENCY (Hz)
100
V
_______________________________________________________________________________________
CC
SENSE
40
0 25 50 75 100 125
S VERSION
F VERSION
(V)
1k
52
= 0V, C
CC
10k
64
LOAD
100k
76
= 20pF, R
-100
-110
-120
-130
-100
-150
-200
-250
-300
-10
-20
-30
-40
-50
-60
-70
-80
-90
300
250
200
150
100
-50
50
45
40
35
30
25
20
15
10
50
0
5
0
0
-50
0.1
1
LOAD
SMALL-SIGNAL GAIN vs. FREQUENCY
V
COMMON-MODE REJECTION RATIO
SENSE
-25
10
= ∞, T
INPUT OFFSET VOLTAGE
= 10mV
MAX4080S
MAX4080T
MAX4080F
0
1
vs. TEMPERATURE
TEMPERATURE (°C)
vs. FREQUENCY
100
MAX4081F/T/S
MAX4080F/T/S
FREQUENCY (kHz)
FREQUENCY (Hz)
25
A
= +25°C, unless otherwise noted.)
50
10
1k
Typical Operating Characteristics
75
10k
100 125 150
100
100k
1000
1M
Voltage Output
-100
-110
-120
-130
-0.1
-0.2
-0.3
-0.4
-0.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.5
0.4
0.3
0.2
0.1
50
45
40
35
30
25
20
15
10
0
5
0
0
-50
0.1
1
SMALL-SIGNAL GAIN vs. FREQUENCY
GAIN ACCURACY vs. TEMPERATURE
V
POWER-SUPPLY REJECTION RATIO
OUT
-25
10
= 100mV
MAX4081S
MAX4081T
MAX4081F
1
0
TEMPERATURE (°C)
vs. FREQUENCY
100
MAX4081F/T/S
MAX4081F/T/S
FREQUENCY (kHz)
P-P
FREQUENCY (Hz)
25
1k
10
50
10k
75
100
100k
100
1000
125
1M
5