Datasheet

MCP6141/2/3/4
DS21668D-page 10 © 2009 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.4V to +5.5V, V
SS
=GND, V
CM
=V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
=V
DD
/2, R
L
=1MΩ to V
L
, C
L
= 60 pF, and CS is tied low.
FIGURE 2-19: Channel to Channel
Separation vs. Frequency (MCP6142 and
MCP6144 only).
FIGURE 2-20: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature with
V
DD
=1.4V.
FIGURE 2-21: Quiescent Current vs.
Power Supply Voltage.
FIGURE 2-22: Gain Bandwidth Product,
Phase Margin vs. Common Mode Input Voltage.
FIGURE 2-23: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature with
V
DD
=5.5V.
FIGURE 2-24: Output Short Circuit Current
vs. Power Supply Voltage.
80
90
100
110
120
130
140
1.E+03 1.E+04
Frequency (Hz)
Channel-to-Channel
Separation (dB)
1k 10k
Input Referred
0
10
20
30
40
50
60
70
80
90
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth Product
(kHz)
0
10
20
30
40
50
60
70
80
90
Phase Margin (°)
PM
(G = +10)
GBWP
V
DD
= 1.4V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.00.51.01.52.02.53.03.54.04.55.05.5
Power Supply Voltage (V)
Quiescent Current
(µA/Amplifier)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
10
20
30
40
50
60
70
80
90
100
110
120
-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
Common Mode Input Voltage
Gain Bandwidth Product
(kHz)
0
10
20
30
40
50
60
70
80
90
100
110
120
Phase Margin (°)
PM
(G = +10)
GBWP
V
DD
= 5.0V
0
10
20
30
40
50
60
70
80
90
-50-250 255075100125
Ambient Temperature (°C)
Gain Bandwidth Product
(kHz)
0
10
20
30
40
50
60
70
80
90
Phase Margin (°)
PM
(G = +10)
GBWP
V
DD
= 5.5V
0
5
10
15
20
25
30
35
0.00.51.01.52.02.53.03.54.04.55.05.5
Ambient Temperature (°C)
Output Short Circuit Current
Magnitude (mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C