Microchip Technology MCP6031DM-PTPLS Data Sheet
© 2008 Microchip Technology Inc.
DS22041B-page 7
MCP6031/2/3/4
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
= 1 M
Ω to V
L
, C
L
= 60 pF and CS is tied low.
FIGURE 2-7:
Input Noise Voltage Density
vs. Frequency.
FIGURE 2-8:
Input Noise Voltage Density
vs. Common Mode Input Voltage.
FIGURE 2-9:
Common Mode Rejection
Ratio, Power Supply Rejection Ratio vs.
Frequency.
Frequency.
FIGURE 2-10:
Common Mode Rejection
Ratio, Power Supply Rejection Ratio vs. Ambient
Temperature.
Temperature.
FIGURE 2-11:
Input Bias, Offset Currents
vs. Ambient Temperature.
FIGURE 2-12:
Input Bias Current vs.
Common Mode Input Voltage.
100
1,000
1E-1
1E+0
1E+1
1E+2
1E+3
1E+4
1E+5
Frequency (Hz)
In
put Nois
e Vol
ta
g
e
D
ensity
(nV
/√
Hz
)
0.1
1
10
100
1k
10k
100k
0
25
50
75
100
125
150
175
200
-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
Common Mode Input Voltage (V)
In
pu
t No
is
e V
o
lt
ag
e D
ens
it
y
(nV/
√Hz
)
f = 1 kHz
V
V
DD
= 5.5V
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Frequency (Hz)
CMR
R
, P
S
R
R
(dB)
PSRR-
PSRR+
CMRR
V
DD
= 5.5V
60
65
70
75
80
85
90
95
100
105
110
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
PSR
R,
C
M
RR
(
d
B)
PSRR (V
DD
= 1.8V to 5.5V, V
CM
= V
SS
)
CMRR (V
DD
= 1.8V,
V
CM
= -0.3V to 2.1V)
CMRR (V
DD
= 5.5V,
V
CM
= -0.3V to 5.8V)
1
10
100
1000
10000
25
45
65
85
105
125
Ambient Temperature (°C)
Input
B
ia
s
a
nd O
ff
s
et
C
u
rre
n
ts
(pA
)
V
DD
= 5.5V
V
CM
= V
DD
Input Bias Current
Input Offset Current
10
100
1000
10000
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)
Inpu
t B
ia
s C
u
rren
t (p
A)
T
A
= +125°C
T
A
= +85°C
V
DD
= 5.5V