Datasheet

© 2007 Microchip Technology Inc. DS21812E-page 7
MCP6291/1R/2/3/4/5
TYPICAL PERFORMANCE CURVES (CONTINUED)
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.4V to +5.5V, V
SS
=GND, V
CM
=V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
=10kΩ to V
L
, C
L
= 60 pF, and CS is tied low.
FIGURE 2-13: Quiescent Current vs.
Power Supply Voltage.
FIGURE 2-14: Open-Loop Gain, Phase vs.
Frequency.
FIGURE 2-15: Maximum Output Voltage
Swing vs. Frequency.
FIGURE 2-16: Output Voltage Headroom
vs. Output Current Magnitude.
FIGURE 2-17: Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
FIGURE 2-18: Slew Rate vs. Ambient
Temperature.
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
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)
Quiescent Current
(mA/Amplifier)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-20
0
20
40
60
80
100
120
1.E-01
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
Frequency (Hz)
Open-Loop Gain (dB)
-210
-180
-150
-120
-90
-60
-30
0
Open-Loop Phase (°)
Gain
Phase
0.1
1 10 100 1k 10k 100k 1M 10M 100M
0.1
1
10
1.E+03 1.E+04 1.E+05 1.E+06 1.E+07
Frequency (Hz)
Maximum Output Voltage
Swing (V
P-P
)
1k 10k 100k 1M 10M
V
DD
= 5.5V
V
DD
= 2.4V
1
10
100
1000
0.01 0.1 1 10
Output Current Magnitude (mA)
Ouput Voltage Headroom (mV)
V
OL
- V
SS
V
DD
- V
OH
0
2
4
6
8
10
12
14
16
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth Product
(MHz)
50
55
60
65
70
75
80
85
90
Phase Margin (°)
GBWP, V
DD
= 5.5V
GBWP, V
DD
= 2.4V
PM, V
DD
= 5.5V
PM, V
DD
= 2.4V
0
2
4
6
8
10
12
-50-25 0 255075100125
Ambient Temperature (°C)
Slew Rate (V/µs)
Rising Edge, V
DD
= 5.5
V
V
DD
= 2.4
V
Falling Edge, V
DD
= 5.5
V
V
DD
= 2.4
V