Datasheet

© 2002-2012 Microchip Technology Inc. DS21714G-page 9
MCP6546/6R/6U/7/8/9
Note: Unless otherwise indicated, V
DD
= +1.6V to +5.5V, V
SS
= GND, T
A
=+25°C, V
IN
+=V
DD
/2, V
IN
– = GND,
R
PU
=2.74kΩ to V
PU
=V
DD
, and C
L
=36pF.
FIGURE 2-19: Supply Current vs. Pull-Up
Voltage.
FIGURE 2-20: Supply Current vs. Toggle
Frequency.
FIGURE 2-21: Output Voltage Headroom
vs. Output Current at V
DD
=1.6V.
FIGURE 2-22: Supply Current vs. Pull-Up
to Supply Voltage Difference.
FIGURE 2-23: Output Short Circuit Current
Magnitude vs. Power Supply Voltage.
FIGURE 2-24: Output Voltage Headroom
vs. Output Current at V
DD
=5.5V.
0.1
1
10
01234567891011
Pull-Up Voltage, V
PU
(V)
Supply Current
per Comparator (µA)
V
DD
= 2.1V
V
DD
= 2.6V
V
DD
= 3.6V
V
DD
= 4.6V
V
DD
= 5.6V
I
DD
spike near V
PU
= 1.3V
V
DD
= 1.6V
0.1
1
10
0.1 1 10 100
Toggle Frequency (kHz)
Supply Current
per Comparator (µA)
V
DD
= 5.5V
V
DD
= 1.6V
100 mV Overdrive
V
CM
= V
DD
/2
I
DD
does not include
pull-up resistor current
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Output Current (mA)
Output Voltage Headroom (V)
V
DD
= 1.6V
V
OL
–V
SS
:
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0.1
1
10
-4-3-2-10123456789
Pull-up to Supply Voltage Difference,
V
PU
– V
DD
(V)
Supply Current
per Comparator (µA)
V
DD
= 5.6V
V
DD
= 4.6V
V
DD
= 3.6V
V
DD
= 2.6V
V
PU
= 1.6V to 10.5V
V
DD
= 1.6V
V
DD
= 2.1V
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
Power Supply Voltage (V)
Output Short Circuit Current
Magnitude (mA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0 5 10 15 20 25
Output Current (mA)
Output Voltage Headroom (V)
V
DD
= 5.5V
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
V
OL
– V
SS
: