Datasheet

MCP631/2/3/4/5/9
DS22197B-page 16  2009-2011 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
=+25°C, V
DD
= +2.5V to 5.5V, V
SS
= GND, V
CM
=V
DD
/3, V
OUT
=V
DD
/2,
V
L
=V
DD
/2, R
L
=2kto V
L
, C
L
= 50 pF and CS =V
SS
.
2.6 Chip Select Response
FIGURE 2-41: CS Current vs. Power
Supply Voltage.
FIGURE 2-42: CS
and Output Voltages vs.
Time with V
DD
=2.5V.
FIGURE 2-43: C
S and Output Voltages vs.
Time with V
DD
=5.5V.
FIGURE 2-44: CS
Hysteresis vs. Ambient
Temperature.
FIGURE 2-45: CS
Turn On Time vs.
Ambient Temperature.
FIGURE 2-46: CS
’s Pull-down Resistor
(R
PD
) vs. Ambient Temperature.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
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)
CS Current (µA)
CS = V
DD
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 2 4 6 8 101214161820
Time (µs)
CS, V
OUT
(V)
V
DD
= 2.5V
G = 1
V
L
= 0V
On
CS
V
OUT
OffOff
-1
0
1
2
3
4
5
6
0 2 4 6 8 101214161820
Time (µs)
CS, V
OUT
(V)
V
DD
= 5.5V
G = 1
V
L
= 0V
On
CS
V
OUT
OffOff
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
CS Hysteresis (V)
V
DD
= 2.5V
V
DD
= 5.5V
0
1
2
3
4
5
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
CS Turn On Time (µs)
V
DD
= 2.5V
V
DD
= 5.5V
0
1
2
3
4
5
6
7
8
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
CS Pull-down Resistor
(MΩ)
Representative Part