MAX9928F Maxim, MAX9928F Datasheet - Page 6

• Manufacturer Part Number: MAX9928F
• Description: The MAX9928F/MAX9929F low-cost, uni-/bidirectional, high-side, current-sense amplifiers are ideal for monitoring battery charge and discharge currents in notebooks, cell phones, and other portable equipment
• Manufacturer: Maxim

-0.1V to +28V Input Range, Micropower,
Uni-/Bidirectional, Current-Sense Amplifiers
6
(V
CC
2500
2000
1500
1000
-0.2
-0.4
-0.6
-0.8
-1.0
500
_______________________________________________________________________________________
1.0
0.8
0.6
0.4
0.2
0
0
= 3.3V, V
2.5
0
V
OUT
3.0
= 0V
0.1
35
32
29
26
23
20
RS+
vs. SUPPLY VOLTAGE
0.01
SUPPLY VOLTAGE (V)
GAIN ACCURACY
3.5
I
OUT
= 12V, T
MAX9928F
0.2
V
vs. V
SENSE
0.1
4.0
T
A
SMALL-SIGNAL GAIN
= -40°C
(V)
SENSE
vs. FREQUENCY
0.3
MAX992_F
FREQUENCY (kHz)
T
A
A
4.5
= +125°C
= +25°C, unless otherwise noted.)
1
T
0.4
A
5.0
= +25°C
10
5.5
0.5
V
100
CM
= 3.6V
1000
Typical Operating Characteristics (continued)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
6
5
4
3
2
1
0
0
-40
0
-25
20
MINIMUM OUTPUT VOLTAGE
-10 5 20 35 50
V
vs. TEMPERATURE
40
CC
V
TEMPERATURE (°C)
OUT
= 2.5V
MAX9929F
V
SENSE
60
vs. V
V
(mV)
80
CC
SENSE
V
65 80
= 2.7V
CC
100
= 3.3V
V
CC
95
120
= 5.5V
110
120
140
125
90
60
30
0
10
-0.2
-0.4
-0.6
-0.8
-1.0
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.0
0.8
0.6
0.4
0.2
100
0
CMRR vs. FREQUENCY
-40
30
GAIN ACCURACY vs. TEMPERATURE
FREQUENCY (Hz)
-25
1k
40
-10 5 20 35 50
10k
V
TEMPERATURE (°C)
50
OUT
MAX9929F
V
SENSE
T
vs. V
A
T
= -40°C
60
100k
A
= +125°C
(mV)
SENSE
65 80
70
1M
T
A
95
= +25°C
80
110
125
90