Datasheet

MCP621/1S/2/3/4/5/9
DS22188C-page 12 © 2009-2011 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
=+25°C, V
DD
= +2.5V to 5.5V, V
SS
= GND, V
CM
=V
DD
/3, V
OUT
=V
DD
/2,
V
L
=V
DD
/2, R
L
=2kΩ to V
L
, C
L
= 50 pF, and CAL/CS =V
SS
.
2.2 Other DC Voltages and Currents
FIGURE 2-16: Ratio of Output Voltage
Headroom to Output Current.
FIGURE 2-17: Output Voltage Headroom
vs. Ambient Temperature.
FIGURE 2-18: Output Short Circuit Current
vs. Power Supply Voltage.
FIGURE 2-19: Supply Current vs. Power
Supply Voltage.
FIGURE 2-20: Supply Current vs. Common
Mode Input Voltage.
FIGURE 2-21: Power-On Reset Voltages
vs. Ambient Temperature.
0
2
4
6
8
10
12
14
110100
Output Current Magnitude (mA)
Ratio of Output Headroom to
Output Current (mV/mA)
V
DD
= 2.5V
V
DD
= 5.5V
V
DD
– V
OH
I
OUT
V
OL
– V
SS
-I
OUT
0
2
4
6
8
10
12
14
16
18
20
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Output Headroom (mV)
V
DD
= 5.5V
V
OL
– V
SS
V
DD
= 2.5V
V
DD
– V
OH
R
L
= 2 kΩ
-100
-80
-60
-40
-20
0
20
40
60
80
100
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
Power Supply Voltage (V)
Output Short Circuit Current
(mA)
+125°C
+85°C
+25°C
-40°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
Power Supply Voltage (V)
Supply Current
(mA/amplifier)
+125°C
+85°C
+25°C
-40°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
Supply Current
(mA/amplifier)
V
DD
= 2.5V
V
DD
= 5.5V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
POR Trip Voltages (V)
V
PRL
V
PRH