MCP6031/2/3/4
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈
V
DD
/2,
V
L
= V
DD
/2, R
L
= 1 MΩ to V
L
, C
L
= 60 pF and CS is tied low.
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
120
Open-Loop Gain (V/V)
V
DD
= 5.5V @ V
CM
= V
DD
V
DD
= 1.8V @ V
CM
= V
DD
0
Open-Loop Gain
80
60
40
20
0
V
DD
= 5.5V
Open-Loop Phase
-60
-90
-120
-150
-180
V
DD
= 5.5V @ V
CM
= V
SS
V
DD
= 1.8V @ V
CM
= V
SS
-50
-25
0
25
50
75
100
Ambient Temperature (°C)
125
-20
0.001 0.01 0.1
0 0.01
-210
1k 10k 100k
1
10 100 100 100 1E+
00 05
Frequency (Hz) 0
FIGURE 2-13:
Quiescent Current vs
Ambient Temperature.
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
FIGURE 2-16:
Frequency.
Open-Loop Gain, Phase vs.
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
DC Open-Loop Gain (dB)
V
CM
= V
DD
130
125
120
115
110
105
100
95
90
85
80
Quiescent Current
(μA/Amplifier)
R
L
= 50 kΩ
V
SS
+ 0.2V < V
OUT
< V
DD
- 0.2V
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
7.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Power Supply Voltage (V)
Power Supply Voltage V
DD
(V)
FIGURE 2-14:
Quiescent Current vs.
Power Supply Voltage with V
CM
= V
DD
.
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
FIGURE 2-17:
DC Open-Loop Gain vs.
Power Supply Voltage.
V
CM
= V
SS
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
Power Supply Voltage (V)
130
125
V
DD
= 5.5V
120
115
110
105
V
DD
= 1.8V
100
95
90
Large Signal A
OL
85
R
L
= 50 kΩ
80
0.00
0.05
0.10
0.15
0.20
0.25
Output Voltage Headroom
V
DD
- V
OUT
or V
OUT
- V
SS
(V)
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
7.0
FIGURE 2-15:
Quiescent Current vs.
Power Supply Voltage with V
CM
= V
SS
.
FIGURE 2-18:
DC Open-Loop Gain vs.
Output Voltage Headroom.
DC Open-Loop Gain (dB)
Quiescent Current
(μA/Amplifier)
DS22041B-page 8
©
2008 Microchip Technology Inc.
Open-Loop Phase (°)
100
-30
Quiescent Current
(μA/Amplifier)
MICROCHIP [ MICROCHIP TECHNOLOGY ]
