Datasheet

© 2008 Microchip Technology Inc. DS21811E-page 5
MCP6281/1R/2/3/4/5
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.2V to +6.0V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
= 10 kΩ to V
L
, C
L
= 60 pF and CS is tied low.
FIGURE 2-1: Input Offset Voltage.
FIGURE 2-2: Input Bias Current at
T
A
=+85 °C.
FIGURE 2-3: Input Offset Voltage vs.
Common Mode Input Voltage at V
DD
= 2.2V.
FIGURE 2-4: Input Offset Voltage Drift.
FIGURE 2-5: Input Bias Current at
T
A
= +125 °C.
FIGURE 2-6: Input Offset Voltage vs.
Common Mode Input Voltage at V
DD
= 5.5V.
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%
2%
4%
6%
8%
10%
12%
14%
-2.8 -2.4 -2.0 -1.6 -1.2 -0.8 -0.4
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
Input Offset Voltage (mV)
Percentage of Occurrences
832 Samples
V
CM
= V
SS
0%
5%
10%
15%
20%
25%
0 102030405060708090100
Input Bias Current (pA)
Percentage of Occurrences
210 Samples
T
A
= +85°C
-100
-50
0
50
100
150
200
250
300
-0.5 0.0 0.5 1.0 1.5 2.0 2.5
Common Mode Input Voltage (V)
Input Offset Voltage (µV)
V
DD
= 2.2V
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0%
5%
10%
15%
20%
25%
30%
-10-8-6-4-20246810
Input Offset Voltage Drift (µV/°C)
Percentage of Occurrences
832 Samples
V
CM
= V
SS
T
A
= -40°C to +125°C
0%
5%
10%
15%
20%
25%
30%
35%
0
200 400 800
1200 1600 2000 2400 2800 3200 3600
Input Bias Current (pA)
Percentage of Occurrences
210 Samples
T
A
= +125°C
-100
-50
0
50
100
150
200
250
300
-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)
Input Offset Voltage (µV)
V
DD
= 5.5V
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C