MCP621/1S/2/3/4/5/9
DS22188C-page 12
2009-2011 Microchip Technology Inc.
Note: Unless otherwise indicated, TA =+25°C, VDD = +2.5V to 5.5V, VSS = GND, VCM =VDD/3, VOUT =VDD/2,
VL =VDD/2, RL =2 kΩ to VL, CL = 50 pF, and CAL/CS =VSS.
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
110
100
Output Current Magnitude (mA)
R
at
io
of
Out
put
H
eadroom
to
Out
put
C
u
rrent
(m
V
/m
A
)
VDD = 2.5V
VDD = 5.5V
VDD – VOH
IOUT
VOL – VSS
-IOUT
0
2
4
6
8
10
12
14
16
18
20
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
Out
put
H
eadroom
(m
V
)
VDD = 5.5V
VOL – VSS
VDD = 2.5V
VDD – VOH
RL = 2 k
-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)
Out
put
S
h
ort
C
irc
ui
tC
u
rrent
(m
A)
+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)
S
uppl
yC
u
rrent
(m
A/
a
m
p
li
fie
r)
+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)
S
uppl
yC
u
rrent
(m
A/
a
m
p
li
fie
r)
VDD = 2.5V
VDD = 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)
PO
R
T
ri
p
V
o
lt
ag
e
s
(
V
)
VPRL
VPRH