Datasheet

MCP6291/1R/2/3/4/5
DS21812E-page 6 © 2007 Microchip Technology Inc.
TYPICAL PERFORMANCE CURVES (CONTINUED)
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 2-7: Input Offset Voltage vs.
Output Voltage.
FIGURE 2-8: CMRR, PSRR vs.
Frequency.
FIGURE 2-9: Input Bias, Offset Currents
vs. Common Mode Input Voltage at T
A
=+85°C.
FIGURE 2-10: Input Bias, Input Offset
Currents vs. Ambient Temperature.
FIGURE 2-11: CMRR, PSRR vs. Ambient
Temperature.
FIGURE 2-12: Input Bias, Offset Currents
vs. Common Mode Input Voltage at T
A
= +125°C.
100
150
200
250
300
350
400
450
500
550
600
650
700
0.00.51.01.52.02.53.03.54.04.55.05.5
Output Voltage (V)
Input Offset Voltage (µV)
V
CM
= V
SS
Representative Part
V
DD
= 5.5V
V
DD
= 2.4V
20
30
40
50
60
70
80
90
100
110
1.E+00 1.E+01 1.E+02 1.E+ 03 1.E+04 1.E+05 1.E+06
Frequency (Hz)
CMRR, PSRR (dB)
1 10k 100k 1M10010 1k
PSRR+
PSRR-
CMRR
-25
-15
-5
5
15
25
35
45
55
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
Input Bias, Offset Currents
(pA)
T
A
= +85°C
V
DD
= 5.5V
Input Bias Current
Input Offset Current
1
10
100
1,000
10,000
25 35 45 55 65 75 85 95 105 115 125
Ambient Temperature (°C)
Input Bias, Offset Currents
(pA)
Input Bias Current
Input Offset Current
V
CM
= V
DD
V
DD
= 5.5V
60
70
80
90
100
110
120
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
PSRR, CMRR (dB)
PSRR
V
CM
= V
SS
CMRR
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
Input Bias, Offset Currents
(nA)
T
A
= +125°C
V
DD
= 5.5V
Input Bias Current
Input Offset Current