Datasheet

MCP6051/2/4
DS22182B-page 10 © 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
= 100 kΩ to V
L
and C
L
= 60 pF.
FIGURE 2-19: DC Open-Loop Gain vs.
Power Supply Voltage.
FIGURE 2-20: DC Open-Loop Gain vs.
Output Voltage Headroom.
FIGURE 2-21: Channel-to-Channel
Separation vs. Frequency (MCP6052/4 only).
FIGURE 2-22: Gain Bandwidth Product,
Phase Margin vs. Common Mode Input Voltage.
FIGURE 2-23: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
FIGURE 2-24: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
100
105
110
115
120
125
130
135
140
145
150
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Power Supply Voltage (V)
DC-Open Loop Gain (dB)
R
L
= 100 kΩ
V
SS
+ 0.2V < V
OUT
< V
DD
- 0.2V
100
105
110
115
120
125
130
135
140
145
150
0.00 0.05 0.10 0.15 0.20 0.25
Output Voltage Headroom
V
DD
- V
OH
or V
OL
- V
SS
(V)
DC-Open Loop Gain (dB)
V
DD
= 6.0V
V
DD
= 1.8V
Large Signal A
OL
80
90
100
110
120
130
140
100 1000 10000 100000 1000000
Frequency (Hz)
Channel to Channel Separation
(dB)
Input Referred
100 1k 10k 100k 1M
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
-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)
Gain Bandwidth Product
(MHz)
0
20
40
60
80
100
120
140
160
180
Phase Margin (°)
Phase Margin
Gain Bandwidth Product
V
DD
= 6.0V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth Product
(MHz)
0
20
40
60
80
100
120
140
160
180
Phase Margin (°)
Phase Margin
Gain Bandwidth Product
V
DD
= 6.0V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth Product
(MHz)
0
20
40
60
80
100
120
140
160
180
Phase Margin (°)
Gain Bandwidth Product
Phase MarginV
DD
= 1.8V