Datasheet

 2009-2013 Microchip Technology Inc. DS22143D-page 13
MCP6566/6R/6U/7/9
Note: Unless otherwise indicated, V
DD
= +1.8V to +5.5V, V
SS
= GND, T
A
= +25°C, V
IN
+ = V
DD
/2, V
IN
– = GND,
R
L
= 20 k to V
PU
= V
DD
, and C
L
= 25 pF.
FIGURE 2-37: Common-mode Rejection
Ratio and Power Supply Rejection Ratio vs.
Temperature.
FIGURE 2-38: Power Supply Rejection
Ratio (PSRR).
FIGURE 2-39: Input Offset Current and
Input Bias Current vs. Temperature.
FIGURE 2-40: Common-mode Rejection
Ratio (CMRR).
FIGURE 2-41: Common-mode Rejection
Ratio (CMRR).
FIGURE 2-42: Input Offset Current and
Input Bias Current vs. Common-mode Input
Voltage vs. Temperature.
70
72
74
76
78
80
-50 -25 0 25 50 75 100 125
Temperature
(°C)
CMRR/PSRR (dB)
V
CM
= -0.3V to V
DD
+ 0.3V
V
DD
= 5.5V
CMRR
V
CM
= V
SS
V
DD
= 1.8V to 5.5V
PSRR
Input Referred
0%
5%
10%
15%
20%
25%
30%
-600 -400 -200 0 200 400 600
PSRR (µV/V)
Occurrences (%)
V
CM
= V
SS
Avg. = 200 µV/V
StDev= 94 µV/V
3588 units
0.1
1
10
100
1000
25 50 75 100 125
Temperature
(°C)
I
OS
and I
B
(pA)
I
B
|I
OS
|
0%
10%
20%
30%
-5 -4 -3 -2 -1 0 1 2 3 4 5
CMRR (mV/V)
Occurrences (%)
V
DD
= 1.8V
3588 units
V
CM
= -0.2V to V
DD
/2
Avg. = 0.5 mV
StDev= 0.1 mV
V
CM
= V
DD
/2 to V
DD
+ 0.2V
Avg. = 0.7 mV
StDev= 1 mV
V
CM
= -0.2V to V
DD
+ 0.2V
Avg. = 0.6 mV
StDev= 0.1 mV
0%
10%
20%
30%
-2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
CMRR (mV/V)
Occurrences (%)
V
DD
= 5.5V
3588 units
V
CM
= -0.3V to V
DD
/2
Avg. = 0.2 mV
StDev= 0.4 mV
V
CM
= V
DD
/2 to V
DD
+ 0.3V
Avg. = 0.03 mV
StDev= 0.7 mV
V
CM
= -0.3V to V
DD
+ 0.3V
Avg. = 0.1 mV
StDev= 0.4 mV
0.001
0.01
0.1
1
10
100
1000
10000
0123456
V
CM
(V)
I
OS
and I
B
(pA)
I
B
@ T
A
= +125°C
I
B
@ T
A
= +85°C
|I
OS|
@ T
A
= +125°C
|I
OS
|@ T
A
= +85°C
V
DD
= 5.5V