MCP6141/2/3/4
Note:
Unless otherwise indicated, T
A
= 25°C, V
DD
= +1.4V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, R
L
= 1 MΩ to V
DD
/2,
V
OUT
≈
V
DD
/2, and C
L
= 60 pF.
140
Channel-to-Channel
Separation (dB)
130
120
110
100
90
Input Referred
80
1k
1.E+03
Frequency (Hz)
10k
1.E+04
Gain Bandwidth Product
(kHz)
120
110
100
90
80
70
60
50
40
30
20
10
0
-0.5
0.0
0.5
1.0
1.5
120
110
100
90
80
70
60
50
40
30
20
10
0
4.0
4.5
5.0
5.5
GBWP
PM
(G = +10)
V
DD
= 5.0V
2.0
2.5
3.0
3.5
Common Mode Input Voltage
FIGURE 2-19:
Channel-to-Channel
Separation vs. Frequency (MCP6142 and
MCP6144 only).
90
Gain Bandwidth Product
(kHz)
80
70
60
50
40
30
20
10
0
-50
-25
0
25
50
75 100
Ambient Temperature (°C)
V
DD
= 1.4V
GBWP
90
80
Phase Margin (°)
70
60
50
40
30
20
10
0
125
FIGURE 2-22:
Gain Bandwidth Product,
Phase Margin vs. Common Mode Input Voltage.
Gain Bandwidth Product
(kHz)
PM
(G = +10)
90
80
70
60
50
40
30
20
10
0
-50
-25
0
25
50
75
100
Ambient Temperature (°C)
V
DD
= 5.5V
PM
(G = +10)
GBWP
90
80
60
50
40
30
20
10
0
125
Phase Margin (°)
70
FIGURE 2-20:
Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature at
V
DD
= 1.4V.
0.8
0.7
Quiescent Current
(µA/Amplifier)
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
FIGURE 2-23:
Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature at
V
DD
= 5.5V.
35
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
Output Short Circuit Current
(mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Ambient Temperature (°C)
FIGURE 2-21:
Quiescent Current vs.
Power Supply Voltage.
FIGURE 2-24:
Output Short Circuit Current
vs. Power Supply Voltage.
DS21668B-page 8
©
2005 Microchip Technology Inc.
Phase Margin (°)
MICROCHIP [ MICROCHIP TECHNOLOGY ]
