Datasheet

© 2007 Microchip Technology Inc. DS21812E-page 5
MCP6291/1R/2/3/4/5
2.0 TYPICAL PERFORMANCE CURVES
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.4V to +5.5V, V
SS
=GND, V
CM
=V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
=10kΩ 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
= 2.4V.
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%
1%
2%
3%
4%
5%
6%
7%
8%
9%
10%
11%
12%
-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
840 Samples
V
CM
= V
SS
0%
5%
10%
15%
20%
25%
30%
35%
40%
0 102030405060708090100
Input Bias Current (pA)
Percentage of Occurrences
210 Samples
T
A
= 85°C
0
50
100
150
200
250
300
350
400
-0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
Common Mode Input Voltage (V)
Input Offset Voltage (µV)
V
DD
= 2.4V
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
0%
5%
10%
15%
20%
25%
-10
-8 -6 -4 -2
0 2 4 6 8
10
Input Offset Voltage Drift (µV/°C)
Percentage of Occurrences
840 Samples
V
CM
= V
SS
T
A
= -40°C to +125°C
0%
5%
10%
15%
20%
25%
30%
0
200 400 600 800
1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
Input Bias Current (pA)
Percentage of Occurrences
210 Samples
T
A
= +125°C
200
250
300
350
400
450
500
550
600
650
700
750
800
-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