MCP6031/2/3/4
DS22041B-page 8
2008 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A = +25°C, VDD = +1.8V to +5.5V, VSS = GND, VCM = VDD/2, VOUT ≈ VDD/2,
VL = VDD/2, RL = 1 MΩ to VL, CL = 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 VCM = VDD.
FIGURE 2-15:
Quiescent Current vs.
Power Supply Voltage with VCM = VSS.
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
-25
0
255075
100
125
Ambient Temperature (°C)
Quies
c
en
tCurre
nt
(μ
A/Amplifier)
VDD = 5.5V @ VCM = VDD
VDD = 1.8V @ VCM = VDD
VDD = 5.5V @ VCM = VSS
VDD = 1.8V @ VCM = VSS
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)
Qu
iesc
en
tC
u
rr
en
t
(μ
A/Amplif
ie
r)
VCM = VDD
TA = +125°C
TA = +85°C
TA = +25°C
TA = -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)
Quie
sce
n
tCurre
n
t
(μ
A/
Am
pl
if
ie
r)
VCM = VSS
TA = +125°C
TA = +85°C
TA = +25°C
TA = -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
P
h
ase
(
°)
Open-Loop Gain
Open-Loop Phase
VDD = 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 VDD (V)
DC
Ope
n
-L
oop
G
ain
(
d
B)
RL = 50 k
VSS + 0.2V < VOUT < VDD - 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
VDD - VOUT or VOUT - VSS (V)
DC
O
p
en
-L
o
p
Ga
in
(d
B)
RL = 50 k
VDD = 5.5V
VDD = 1.8V
Large Signal AOL