Datasheet

MCP6441/2/4
DS22257C-page 8 © 2010-2012 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.4V to +6.0V, 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
and C
L
= 60 pF.
FIGURE 2-19: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
FIGURE 2-20: Output Short Circuit Current
vs. Power Supply Voltage.
FIGURE 2-21: Output Voltage Swing vs.
Frequency.
FIGURE 2-22: Output Voltage Headroom
vs. Output Current.
FIGURE 2-23: Output Voltage Headroom
vs. Ambient Temperature.
FIGURE 2-24: Slew Rate vs. Ambient
Temperature.
0
2
4
6
8
10
12
14
16
18
-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 (°)
Gain Bandwidth Product
Phase Margin
V
DD
= 1.4V
0
5
10
15
20
25
30
35
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
Power Supply Voltage (V)
Output Short Circuit Current
(mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
0.1
1
10
10 100 1000 10000
Frequency (Hz)
Output Voltage Swing (V
P-P
)
V
DD
= 1.4V
V
DD
= 6.0V
10 100 1k 10k
0.1
1
10
100
1000
10 100 1000 10000
Output Current (mA)
Output Voltage Headroom (mV)
V
DD
- V
OH
@ V
DD
= 1.4V
V
OL
- V
SS
@ V
DD
= 1.4V
V
DD
- V
OH
@ V
DD
= 6.0V
V
OL
- V
SS
@ V
DD
= 6.0V
R
L
= 10 kΩ
0.01 0.1 1 10
0
5
10
15
20
25
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Output Voltage Headroom
V
DD
- V
OH
or V
OL
- V
SS
(mV)
V
DD
- V
OH
@ V
DD
= 1.4V
V
OL
- V
SS
@ V
DD
= 1.4V
V
DD
- V
OH
@ V
DD
= 6.0V
V
OL
- V
SS
@ V
DD
= 6.0V
0
1
2
3
4
5
6
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Slew Rate (V/ms)
Falling Edge, V
DD
= 6.0V
Rising Edge, V
DD
= 6.0V
Falling Edge, V
DD
= 1.4V
Rising Edge, V
DD
= 1.4V