Datasheet

MCP6031/2/3/4
DS22041B-page 8 © 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
/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.
FIGURE 2-13: Quiescent Current vs
Ambient Temperature.
FIGURE 2-14: Quiescent Current vs.
Power Supply Voltage with V
CM
= V
DD
.
FIGURE 2-15: Quiescent Current vs.
Power Supply Voltage with V
CM
= V
SS
.
FIGURE 2-16: Open-Loop Gain, Phase vs.
Frequency.
FIGURE 2-17: DC Open-Loop Gain vs.
Power Supply Voltage.
FIGURE 2-18: DC Open-Loop Gain vs.
Output Voltage Headroom.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
-50-250 255075100125
Ambient Temperature (°C)
Quiescent Current
(μA/Amplifier)
V
DD
= 5.5V @ V
CM
= V
DD
V
DD
= 1.8V @ V
CM
= V
DD
V
DD
= 5.5V @ V
CM
= V
SS
V
DD
= 1.8V @ V
CM
= V
SS
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
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
Power Supply Voltage (V)
Quiescent Current
(μA/Amplifier)
V
CM
= V
DD
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
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
Power Supply Voltage (V)
Quiescent Current
(μA/Amplifier)
V
CM
= V
SS
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-20
0
20
40
60
80
100
120
0 0.01 0.1 1 10 100 100
0
100
00
1E+
05
Frequency (Hz)
Open-Loop Gain (V/V)
-210
-180
-150
-120
-90
-60
-30
0
Open-Loop Phase (°)
Open-Loop Gain
Open-Loop Phase
V
DD
= 5.5V
0.001 0.01 1k 10k 100k
80
85
90
95
100
105
110
115
120
125
130
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Power Supply Voltage V
DD
(V)
DC Open-Loop Gain (dB)
R
L
= 50 kΩ
V
SS
+ 0.2V < V
OUT
< V
DD
- 0.2V
80
85
90
95
100
105
110
115
120
125
130
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)
DC Open-Loop Gain (dB)
R
L
= 50 kΩ
V
DD
= 5.5V
V
DD
= 1.8V
Large Signal A
OL