Datasheet

MCP6071/2/4
DS22142B-page 8 © 2010 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
= 10 kΩ to V
L
and C
L
= 60 pF.
FIGURE 2-7: Input Offset Voltage vs.
Output Voltage.
FIGURE 2-8: Input Offset Voltage vs.
Power Supply Voltage.
FIGURE 2-9: Input Noise Voltage Density
vs. Frequency.
FIGURE 2-10: Input Noise Voltage Density
vs. Common Mode Input Voltage.
FIGURE 2-11: CMRR, PSRR vs.
Frequency.
FIGURE 2-12: CMRR, PSRR vs. Ambient
Temperature.
-350
-250
-150
-50
50
150
250
350
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
V
DD
= 3.0V
Representative Part
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
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)
T
A
= -40
°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
Representative Part
10
100
1,000
1.E-1 1.E+0 1.E+1 1.E+2 1.E+3 1.E+4 1.E+5
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 = 10 kHz
V
DD
= 6.0V
20
30
40
50
60
70
80
90
100
110
10 100 1000 10000 100000 1000000
Frequency (Hz)
CMRR, PSRR (dB)
Representative Part
CMRR
PSRR+
PSRR-
10 100 1k 10k 100k 1M
60
65
70
75
80
85
90
95
100
105
110
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
PSRR, CMRR (dB)
PSRR (V
DD
= 1.8V to 6.0V, V
CM
= V
SS
)
CMRR (V
DD
= 6.0V, V
CM
= -0.3V to 6.3V)