Datasheet

MCP6141/2/3/4
DS21668D-page 8 © 2009 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.4V to +5.5V, V
SS
=GND, V
CM
=V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
=V
DD
/2, R
L
=1MΩ to V
L
, C
L
= 60 pF, and CS is tied low.
FIGURE 2-7: Input Offset Voltage vs.
Output Voltage.
FIGURE 2-8: Input Noise Voltage Density
vs. Frequency.
FIGURE 2-9: CMRR, PSRR vs.
Frequency.
FIGURE 2-10: The MCP6141/2/3/4 Family
Shows No Phase Reversal.
FIGURE 2-11: Input Noise Voltage Density
vs. Common Mode Input Voltage.
FIGURE 2-12: CMRR, PSRR vs. Ambient
Temperature.
250
300
350
400
450
500
0.00.51.01.52.02.53.03.54.04.55.05.5
Output Voltage (V)
Input Offset Voltage (µV)
V
DD
= 5.5V
V
DD
= 1.4V
100
1,000
0.1 1 10 100 1000
Frequency (Hz)
Input Noise Voltage Density
(nV/
√
Hz)
20
30
40
50
60
70
80
90
100
1 10 100 1,000 10,000
Frequency (Hz)
CMRR, PSRR (dB)
PSRR–
PSRR+
CMRR
Referred to Input
1 10 100 1k 10k
-1
0
1
2
3
4
5
6
0 5 10 15 20 25Time (5 ms/div)
Input, Output Voltages (V)
V
IN
V
DD
= 5.0V
G = +11 V/V
V
OUT
0
50
100
150
200
250
300
-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
Common Mode Input Voltage (V)
Input Noise Voltage Density
(nV/
√
Hz)
f = 1 kHz
V
DD
= 5.0V
70
75
80
85
90
95
100
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
PSRR, CMRR (dB)
PSRR (V
CM
= V
SS
)
CMRR (V
DD
= 5.0V,
V
CM
= -0.3V to +5.3V)