MCP631/2/3/4/5/9
DS22197B-page 8
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 kto VL, CL = 50 pF and CS =VSS.
FIGURE 2-7:
Input Offset Voltage vs.
Common Mode Voltage with VDD =2.5V.
FIGURE 2-8:
Input Offset Voltage vs.
Common Mode Voltage with VDD =5.5V.
FIGURE 2-9:
CMRR and PSRR vs.
Ambient Temperature.
FIGURE 2-10:
DC Open-Loop Gain vs.
Ambient Temperature.
FIGURE 2-11:
DC Open-Loop Gain vs.
Load Resistance.
FIGURE 2-12:
Input Bias and Offset
Currents vs. Ambient Temperature with
VDD =+5.5V.
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
-0
.5
0.
0
0.
5
1.
0
1.
5
2.
0
2.
5
3.
0
Input Common Mode Voltage (V)
In
p
u
tO
ff
se
t
V
o
lt
ag
e
(m
V
)
VDD = 2.5V
Representative Part
+125°C
+85°C
+25°C
-40°C
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
-0
.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
Input Common Mode Voltage (V)
In
p
u
tO
ffs
et
V
o
lt
ag
e
(m
V)
VDD = 5.5V
Representative Part
+125°C
+85°C
+25°C
-40°C
60
65
70
75
80
85
90
95
100
105
110
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
CM
R
,P
S
RR
(d
B
)
PSRR
CMRR, VDD = 2.5V
CMRR, VDD = 5.5V
100
105
110
115
120
125
130
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
D
C
Op
en
-L
o
op
Ga
in
(
d
B
)
VDD = 5.5V
VDD = 2.5V
95
100
105
110
115
120
125
130
1.E+02
1.E+03
1.E+04
1.E+05
Load Resistance ()
D
C
Ope
n
-L
oo
p
Ga
in
(
d
B
)
VDD = 5.5V
VDD = 2.5V
100
1k
10k
100k
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
25
45
65
85
105
125
Ambient Temperature (°C)
In
p
u
tBias,
O
ffse
t
C
u
rr
en
ts
(p
A
)
VDD = 5.5V
VCM = VCMR_H
| IOS |
IB
1p
10p
100p
1n
10n