Datasheet

MCP6V31/1U
DS25127A-page 8 © 2012 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
=+25°C, V
DD
= +1.8V to 5.5V, V
SS
= GND, V
CM
=V
DD
/3, V
OUT
=V
DD
/2,
V
L
=V
DD
/2, R
L
=100kΩ to V
L
and C
L
= 20 pF.
FIGURE 2-7: Input Offset Voltage vs.
Common Mode Voltage with V
DD
=1.8V.
FIGURE 2-8: Input Offset Voltage vs.
Common Mode Voltage with V
DD
=5.5V.
FIGURE 2-9: CMRR.
FIGURE 2-10: PSRR.
FIGURE 2-11: DC Open-Loop Gain.
FIGURE 2-12: CMRR and PSRR vs.
Ambient Temperature.
6
8
V
DD
= 1.8V
Representative Part
4
6
e
(μV)
Representative Part
0
2
V
oltag
e
-2
0
O
ffset
V
-4
Input
O
+125°C
+85°C
+25
°
C
-8
-6
+25
C
-40°C
-0.5 0.0 0.5 1.0 1.5 2.0 2.5
Input Common Mode Voltage (V)
6
8
V
DD
= 5.5V
Representative Part
4
6
e
(μV)
Representative Part
0
2
V
oltag
e
-2
0
O
ffset
V
-4
Input
O
+125°C
+85°C
+25
°
C
-8
-6
+25
C
-40°C
-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)
30%
40%
50%
60%
70%
80%
tage of Occurrences
21 Samples
T
A
= 25°C
V
DD
= 5.5V
0%
10%
20%
-1.6 -1.2 -0.8 -0.4
0.0 0.4 0.8 1.2 1.6
Percen
1/CMRR (μV/V)
V
DD
= 1.8V
45%
50%
s
20 Samples
T
A
= +25°C
35%
40%
r
rence
s
25%
30%
35%
Occu
r
20%
25%
a
ge of
10%
15%
e
rcent
a
0%
5%
P
e
-1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0
1/PSRR (μV/V)
80%
90%
s
21 Samples
T
A
= +25°C
60%
70%
r
rence
s
50%
60%
Occu
r
V
DD
= 5.5V
30%
40%
a
ge of
20%
30%
e
rcent
a
V
DD
=
1.8V
0%
10%
P
e
V
DD
1.8V
-0.5 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0.5
1/A
OL
(μV/V)
155
160
145
150
B)
PSRR
135
140
145
S
RR (d
130
135
RR, P
S
120
125
CM
CMRR
V
=55V
110
115
CMRR
V
DD
=5
.
5V
V
DD
= 1.8V
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)