MAX4073T Maxim, MAX4073T Datasheet - Page 5

• Manufacturer Part Number: MAX4073T
• Description: The MAX4073 low-cost, high-side current-sense amplifier features a voltage output that eliminates the need for gain-setting resistors making it ideal for cell phones, notebook computers, PDAs, and other systems where current monitoring is crucial
• Manufacturer: Maxim

(V
CC
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
= +12V, V
0
125mV/div
2.5mV/div
-50
V
SENSE
OUT
100
-25
90
80
70
60
50
40
30
20
TOTAL OUTPUT ERROR
0.1
RS+
0
vs. TEMPERATURE
TEMPERATURE (°C)
MAX4073T
MAX4073H
MAX4073F
25
= +12V, V
_______________________________________________________________________________________
POWER-SUPPLY REJECTION
MAX4073F SMALL-SIGNAL
TRANSIENT RESPONSE
RATIO vs. FREQUENCY
50
1
FREQUENCY (kHz)
75
V
SENSE
CC
1µs/div
100 125 150
V
= +12V
10
CC
= +28V
= 100mV, C
High-Side Current-Sense Amplifier
100
Low-Cost, SC70, Voltage-Output,
MAX4073 toc15
Typical Operating Characteristics (continued)
-0.5
-1.0
-1.5
-2.0
L
2.0
1.5
1.0
0.5
1000
0
= 5pF, T
-50
100mV
95mV
5V
4.75V
V
SENSE
-25
A
= (10mV - 100mV)
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
0
GAIN ACCURACY
TEMPERATURE (°C)
25
50
75
250mV/div
2.5mV/div
2.5mV/div
50mV/div
V
V
SENSE
SENSE
100
OUT
OUT
125
MAX4073H SMALL-SIGNAL
MAX4073T SMALL-SIGNAL
TRANSIENT RESPONSE
TRANSIENT RESPONSE
45
40
35
30
25
20
15
10
5
0
0.1
1µs/div
1µs/div
1
SMALL-SIGNAL GAIN vs.
FREQUENCY (kHz)
FREQUENCY
10
MAX4073H
MAX4073F
MAX4073T
MAX4073 toc16
MAX4073 toc14
100
1000
100mV
95mV
10V
9.5V
100mV
95mV
2V
1.9V
10,000
5