Datasheet

MAX4210/MAX4211
High-Side Power and
Current Monitors
______________________________________________________________________________________ 25
IN
RS-
RS+
V
CC
R
1
R
2
V
OUTPUT
= V
INPUT
✕
(R
2
/R
1
) ✕ A
VPOUT
✕ V
IN
V
IN
GAIN CONTROL
(0 TO 1V)
POUT
OUTPUT
INPUT
MAX4210D/E/F
Figure 3. Single-Ended-Input, Variable-Gain Amplifier
+
-
MAX4210D/E/F
MAX4211D/E/F
V
CC
+
RS-RS+
-
R
SENSE
V
SENSE
LOAD
IN
POUT
2.7V TO
5.5V
+
-
4V TO
28V
GND
Figure 4. Load-Power Measurement with External Voltage-Divider