Datasheet

MCP6401/1R/1U/2/4/6/7/9
DS22229D-page 10 © 2009-2011 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to +6.0V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
= 100 kΩ to V
L
and C
L
= 60 pF.
FIGURE 2-7: Input Offset Voltage vs.
Common Mode Input Voltage with V
DD
= 1.8V.
FIGURE 2-8: Input Offset Voltage vs.
Output Voltage.
FIGURE 2-9: Input Offset Voltage vs.
Power Supply Voltage.
FIGURE 2-10: Input Noise Voltage Density
vs. Frequency.
FIGURE 2-11: Input Noise Voltage Density
vs. Common Mode Input Voltage.
FIGURE 2-12: CMRR, PSRR vs.
Frequency.
-800
-600
-400
-200
0
200
400
600
800
1000
1200
1400
-0.5 -0.3 -0.1
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3
Input Offset Voltage (μV)
Common Mode Input Voltage (V)
T
A
= +150°C
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
V
DD
= 1.8V
Representative
Part
-1000
-750
-500
-250
0
250
500
750
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
= 1.8V
Representative Part
-500
-400
-300
-200
-100
0
100
200
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Input Offset Voltage (μV)
Power Supply Voltage (V)
T
A
= +150°C
T
A
= +125°C
Representative Part
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
10
100
1,000
0.1 1 10 100 1000 10000 100000
Frequency (Hz)
Input Noise Voltage Density
(nV/
√
Hz)
0.1 1 10 100 1k 10k 100k
0
5
10
15
20
25
30
35
40
-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 Noise Voltage Density
(nV/
√
Hz)
f = 1 kHz
V
DD
= 6.0 V
20
30
40
50
60
70
80
90
100
10 100 1000 10000 100000 1000000
Frequency (Hz)
CMRR, PSRR (dB)
10 100 1k 10k 100k 1M
CMRR
PSRR+
PSRR-
Representative Part