Datasheet

MCP6546/6R/6U/7/8/9
DS21714G-page 12 © 2002-2012 Microchip Technology Inc.
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 2-37: Supply Current (Shoot-
through Current) vs. Chip Select (CS
) Voltage at
V
DD
= 1.6V (MCP6548 only).
FIGURE 2-38: Supply Current (Charging
Current) vs. Chip Select (CS
) pulse at
V
DD
= 1.6V (MCP6548 only).
FIGURE 2-39: Chip Select (CS
) Step
Response (MCP6548 only).
FIGURE 2-40: Supply Current (Shoot-
through Current) vs. Chip Select (CS
) Voltage at
V
DD
= 5.5V (MCP6548 only).
FIGURE 2-41: Supply Current (Charging
Current) vs. Chip Select (CS
) pulse at
V
DD
= 5.5V (MCP6548 only).
FIGURE 2-42: Input Bias Current vs. Input
Voltage.
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
0.00.20.40.60.81.01.21.41.6
Chip Select (CS) Voltage (V)
Supply Current
per Comparator (A)
Comparato
r
Shuts Of
f
Comparator
Turns On
V
DD
= 1.6V
CS Hysteresis
CS
High-to-Low
CS
Low-to-High
1m
1µ
10µ
100n
1n
10n
100p
10p
100µ
0
5
10
15
20
25
30
01234567891011121314
Time (1 ms/div)
Supply Current (µA)
-8.1
-6.5
-4.9
-3.2
-1.6
0.0
1.6
Output Voltage,
Chip Select Voltage (V),
Start-up
I
DD
Charging output
capacitance
V
DD
= 1.6V
V
OUT
CS
-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
6.0
012345678910
Time (ms)
Chip Select, Output Voltage
(V)
V
OUT
V
DD
= 5.5V
CS
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Chip Select (CS) Voltage (V)
Supply Current
per Comparator (A)
Comparato
r
Shuts Of
f
Comparator
Turns On
V
DD
= 5.5V
1m
1µ
10µ
100n
1n
10n
100p
10p
CS
Low-to-High
CS
Hysteresis
CS
High-to-Low
100µ
0
20
40
60
80
100
120
140
160
180
200
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Time (0.5 ms/div)
Supply Current
per Comparator (µA)
-24
-21
-18
-15
-12
-9
-6
-3
0
3
6
Output Voltage,
Chip Select Voltage (V)
Start-up I
DD
Charging output
capacitance
V
DD
= 5.5V
V
OUT
CS
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
1.E-02
-1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0
Input Voltage (V)
Input Current Magnitude (A)
+125°C
+85°C
+25°C
-40°C
10m
1m
100µ
10µ
1µ
100n
10n
1n
100p
10p
1p