Datasheet

MCP6V01/2/3
DS22058C-page 12 © 2008 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to 5.5V, V
SS
= GND, V
CM
=V
DD
/3, V
OUT
=V
DD
/2,
V
L
=V
DD
/2, R
L
=20kΩ to V
L
, C
L
= 60 pF, and CS = GND.
2.3 Frequency Response
FIGURE 2-25: CMRR and PSRR vs.
Frequency.
FIGURE 2-26: Open-Loop Gain vs.
Frequency with V
DD
=1.8V.
FIGURE 2-27: Open-Loop Gain vs.
Frequency with V
DD
=5.5V.
FIGURE 2-28: Gain Bandwidth Product
and Phase Margin vs. Ambient Temperature.
FIGURE 2-29: Gain Bandwidth Product
and Phase Margin vs. Common Mode Input
Voltage.
FIGURE 2-30: Gain Bandwidth Product
and Phase Margin vs. Output Voltage.
0
10
20
30
40
50
60
70
80
90
100
110
1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Frequency (Hz)
CMRR, PSRR (dB)
CMRR
PSRR+
PSRR-
10 100k1k 1M10k100
-30
-20
-10
0
10
20
30
40
50
60
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07
Frequency (Hz)
Open-Loop Gain (dB)
-270
-240
-210
-180
-150
-120
-90
-60
-30
0
Open-Loop Phase (°)
| A
OL
|
∠
A
OL
1k 10k 100k 1M 10M
V
DD
= 1.8V
C
L
= 60 pF
-30
-20
-10
0
10
20
30
40
50
60
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07
Frequency (Hz)
Open-Loop Gain (dB)
-270
-240
-210
-180
-150
-120
-90
-60
-30
0
Open-Loop Phase (°)
| A
OL
|
∠
A
OL
1k 10k 100k 1M 10M
V
DD
= 5.5V
C
L
= 60 pF
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth Product
(MHz)
40
50
60
70
80
90
100
110
120
130
Phase Margin (°)
V
DD
= 5.5V
PM
GBWP
V
DD
= 1.8V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
-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
Common Mode Input Voltage (V)
Gain Bandwidth Product
(MHz)
40
50
60
70
80
90
100
110
120
130
Phase Margin (°)
V
DD
= 5.5V
PM
V
DD
= 1.8V
GBWP
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
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)
Gain Bandwidth Product
(MHz)
40
50
60
70
80
90
100
110
120
130
Phase Margin (°)
V
DD
= 5.5
V
PM
V
DD
= 1.8V
GBWP