Datasheet

© 2010-2012 Microchip Technology Inc. DS22257C-page 5
MCP6441/2/4
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.4V to +6.0V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
= 1 MΩ to V
L
and C
L
= 60 pF.
FIGURE 2-1: Input Offset Voltage.
FIGURE 2-2: Input Offset Voltage Drift.
FIGURE 2-3: Input Offset Voltage vs.
Common Mode Input Voltage with V
DD
= 6.0V.
FIGURE 2-4: Input Offset Voltage vs.
Common Mode Input Voltage with V
DD
= 1.4V.
FIGURE 2-5: Input Offset Voltage vs.
Output Voltage.
FIGURE 2-6: Input Offset Voltage vs.
Power Supply Voltage.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
0%
5%
10%
15%
20%
25%
30%
35%
-4.5 -3.5 -2.5 -1.5 -0.5
0.5 1.5 2.5 3.5 4.5
Input Offset Voltage (mV)
Percentage of Occurences
1700 Samples
V
CM
= V
SS
0%
5%
10%
15%
20%
25%
30%
-10
-8 -6 -4 -2
0 2 4 6 8
10
Input Offset Voltage Drift (µV/°C)
Percentage of Occurences
1700 Samples
V
CM
= V
SS
T
A
= -40°C to +125°C
-500
0
500
1000
1500
2000
2500
3000
-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 6.5
Common Mode Input Voltage (V)
Input Offset Voltage (µV)
V
DD
= 6.0V
Representative Part
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-500
0
500
1000
1500
2000
2500
3000
3500
4000
-0.3 -0.1
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7
Common mode input voltage (V)
Input Offset Voltage (µV)
V
DD
= 1.4V
Representative Part
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
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
Output Voltage (V)
Input Offset Voltage (µV)
V
DD
= 6.0V
V
DD
= 1.4V
Representative Part
-2000
-1600
-1200
-800
-400
0
400
800
1200
1600
2000
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)
Input Offset Voltage (µV)
Representative Part
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C