MAX4211 Maxim, MAX4211 Datasheet - Page 15

• Manufacturer Part Number: MAX4211
• Description: The MAX4210/MAX4211 low-cost, low-power, high-side power/current monitors provide an analog output voltage proportional to the power consumed by a load by multiplying load current and source voltage
• Manufacturer: Maxim

(V
0V, V
CC
-20
-30
-40
-50
-60
-70
-80
-90
INHIBIT
= 5.0V, V
0.001
IOUT COMMON-MODE REJECTION RATIO
V
SENSE
= 0V, R
= 100mV
RS+
vs. FREQUENCY
0.01
FREQUENCY (MHz)
= 25V, V
COUT1
______________________________________________________________________________________
30
25
20
15
10
30
25
20
15
10
5
0
5
0
0.001
0.001
= R
V
V
SENSE
SENSE
0.1
SENSE
COUT2
IOUT SMALL-SIGNAL GAIN
IOUT LARGE-SIGNAL GAIN
= 10mV
= 90mV
0.01
= 100mV, V
vs. FREQUENCY
0.01
FREQUENCY (MHz)
vs. FREQUENCY
FREQUENCY (MHz)
P-P
P-P
= 5k connected to V
1
0.1
IN
0.1
Typical Operating Characteristics (continued)
= 1V, V
-10
-20
-30
-40
-50
-60
-70
-80
0
1
10
LE
POWER-SUPPLY REJECTION
10
= 0V, R
1
100
CC
vs. FREQUENCY
, T
FREQUENCY (Hz)
A
IOUT
= +25°C, unless otherwise noted.)
1k
= R
POUT
High-Side Power and
10k
-10
-15
-20
30
25
20
15
10
-5
0
5
0
5
0.001
0.001
= 1M , V
V
V
MEASURED AT POUT
V
SENSE
IN
SENSE
100k
= 10mV
Current Monitors
POUT LARGE-SIGNAL GAIN
= 90mV
= 40mV
IN SMALL-SIGNAL GAIN
0.01
P-P
CIN1+
0.01
vs. FREQUENCY
vs. FREQUENCY
FREQUENCY (MHz)
FREQUENCY (MHz)
P-P
30
25
20
15
10
5
0
0.001
0.1
= V
V
SENSE
CIN2+
0.1
POUT SMALL-SIGNAL GAIN
= 10mV
0.01
1
= V
vs. FREQUENCY
FREQUENCY (MHz)
P-P
REF
0.1
10
, V
1
CIN1-
1
= V
CIN2-
10
15
=