MCP6021/1R/2/3/4
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.5V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈
V
DD
/2,
R
L
= 10 kΩ to V
DD
/2 and C
L
= 60 pF.
100
Input Offset Voltage (µV)
Input Offset Voltage (µV)
50
0
-50
-100
-150
-200
-250
-300
-50
-25
0
25
50
75
100
Ambient Temperature (°C)
125
V
DD
= 5.0V
V
CM
= 0V
200
150
100
50
0
-50
-100
-150
-200
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Voltage (V)
V
DD
= 2.5V
V
DD
= 5.5V
V
CM
= V
DD
/2
FIGURE 2-7:
Temperature.
1,000
Input Noise Voltage Density
(nV/
√
Hz)
Input Offset Voltage vs.
FIGURE 2-10:
Output Voltage.
24
22
20
18
16
14
12
10
8
6
4
2
0
Input Noise Voltage Density
(nV/
√
Hz)
V
DD
= 5.0V
Input Offset Voltage vs.
100
f = 1 kHz
10
f = 10 kHz
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
0.1
1
10
100
1k
10k
Frequency (Hz)
100k 1M
Common Mode Input Voltage (V)
FIGURE 2-8:
vs. Frequency.
100
90
CMRR, PSRR (dB)
80
70
60
50
40
30
20
100
1.E+02
1.E+03
Input Noise Voltage Density
FIGURE 2-11:
Input Noise Voltage Density
vs. Common Mode Input Voltage.
110
PSRR+
PSRR-
PSRR, CMRR (dB)
105
100
95
90
85
80
75
70
PSRR (V
CM
= 0V)
CMRR
CMRR
1.E+04
1.E+05
1.E+06
1k
10k
Frequency (Hz)
100k
1M
-50
-25
0
25
50
75
100
Ambient Temperature (°C)
125
FIGURE 2-9:
Frequency.
CMRR, PSRR vs.
FIGURE 2-12:
Temperature.
CMRR, PSRR vs.
DS21685C-page 6
©
2006 Microchip Technology Inc.
5.5
1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
