MCP6541/1R/1U/2/3/4
Note: Unless otherwise indicated, VDD = +1.6V to +5.5V, VSS = GND, TA = 25°C, VIN+ = VDD/2, VIN– = GND,
RL = 100 kΩ to VDD/2, and CL = 36 pF.
6.0
50
VDD = 5.5V
100 mV Overdrive
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
45
40
35
30
25
20
15
10
5
VCM = VDD/2
tPHL @ VDD = 1.6V
tPLH @ VDD = 1.6V
VOUT
CS
tPHL @ VDD = 5.5V
tPLH @ VDD = 5.5V
0
0
10 20 30 40 50 60 70 80 90
Load Capacitance (nF)
0
1
2
3
4
5
6
7
8
9
10
Time (ms)
FIGURE 2-31:
Propagation Delay vs. Load
FIGURE 2-34:
Chip Select (CS) Step
Capacitance.
Response (MCP6543 only).
1.E-10m3
1.E-03
1m
Comparator
Turns On
Comparator
Shuts Off
Comparator
Turns On
Comparator
Shuts Off
100µ
1.E-04
1.E- 4
100µ
10µ
1.E-05
10µ
1.E- 5
1µ
1.E-06
1µ
1.E-06
CS Hysteresis
CS
Hysteresis
100n
1.E-07
100n
1.E- 7
10n
1.E-08
10n
1.E- 8
CS
High-to-Low
CS
CS
CS
1n
1.E-09
1n
1.E-09
Low-to-High
High-to-Low
Low-to-High
100p
1.E-10
100p
1.E-10
VDD = 1.6V
VDD = 5.5V
10p
1.E-11
10p
1.E-11
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Chip Select (CS) Voltage (V)
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)
FIGURE 2-32:
Supply Current (shoot
FIGURE 2-35:
Supply Current (shoot
through current) vs. Chip Select (CS) Voltage at
through current) vs. Chip Select (CS) Voltage at
V
= 1.6V (MCP6543 only).
V
= 5.5V (MCP6543 only).
DD
DD
200
180
6
30
25
1.6
VOUT
CS
3
0.0
VOUT
160
0
CS
140
-3
20
-1.6
-3.2
-4.9
-6.5
-8.1
120
-6
VDD = 1.6V
Start-up IDD
100
80
60
40
20
0
-9
15
VDD = 5.5V
Start-up
IDD
-12
-15
-18
-21
-24
Charging output
capacitance
10
5
Charging output
capacitance
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Time (0.5 ms/div)
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14
Time (1 ms/div)
FIGURE 2-33:
Supply Current (charging
FIGURE 2-36:
Supply Current (charging
current) vs. Chip Select (CS) pulse at V = 1.6V
current) vs. Chip Select (CS) pulse at V = 5.5V
DD
DD
(MCP6543 only).
(MCP6543 only).
© 2006 Microchip Technology Inc.
DS21696E-page 11
MICROCHIP [ MICROCHIP ]
