Datasheet

MCP660/1/2/3/4/5/9
DS22194D-page 16  2009-2012 Microchip Technology Inc.
Note: Unless 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
= 1 kto V
L
, C
L
= 20 pF and CS = V
SS
.
2.6 Chip Select Response
FIGURE 2-42: CS Current vs. Power
Supply Voltage.
FIGURE 2-43: CS
and Output Voltages vs.
Time with V
DD
= 2.5V.
FIGURE 2-44: C
S and Output Voltages vs.
Time with V
DD
= 5.5V.
FIGURE 2-45: CS
Hysteresis vs. Ambient
Temperature.
FIGURE 2-46: CS
Turn On Time vs.
Ambient Temperature.
FIGURE 2-47: 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
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 10 12 14 16 18 20
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
012345678910
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
-50-250 255075100125
Ambient Temperature (°C)
CS Pull-down Resistor
(MΩ)
Representative Part