MCP6562-E/MC Microchip Technology, MCP6562-E/MC Datasheet - Page 17

• Manufacturer Part Number: MCP6562-E/MC
• Description: Comparator ICs Dual 18V Push/Pull Comparator E temp
• Manufacturer: Microchip Technology

Specifications of MCP6562-E/MC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.3.2
Figure 4-6
using three resistors. The resulting hysteresis diagram
is shown in
FIGURE 4-6:
Hysteresis.
FIGURE 4-7:
Inverting Circuit.
In order to determine the trip voltages (V
for the circuit shown in
simplified to the Thevenin equivalent circuit with
respect to V
FIGURE 4-8:
© 2009 Microchip Technology Inc.
V
V
V
V
OH
DD
OL
SS
V
V
23
V
SS
IN
R
R
Low-to-High
V
2
3
shows an inverting circuit for single-supply
V
OUT
INVERTING CIRCUIT
Figure
DD
DD
, as shown in
R
23
4-7.
V
MCP656X
TLH
Inverting Circuit With
Hysteresis Diagram for the
Thevenin Equivalent Circuit.
+
Figure
-
V
MCP656X
DD
V
V
THL
Figure
DD
R
4-6, R
V
F
High-to-Low
R
SS
F
4-8.
2
and R
THL
V
V
DD
OUT
and V
V
3
OUT
can be
V
IN
TLH
)
Where:
Using this simplified circuit, the trip voltage can be
calculated using the following equation:
EQUATION 4-2:
Figure
typical values for V
4.4
With this family of comparators, the power supply pin
(V
capacitor (i.e., 0.01 µF to 0.1 µF) within 2 mm for good
edge rate performance.
4.5
Reasonable capacitive loads (e.g., logic gates) have
little impact on propagation delay (see
The supply current increases with increasing toggle
frequency
capacitive loads. The output slew rate and propagation
delay performance will be reduced with higher
capacitive loads.
DD
for single supply) should have a local bypass
V
V
2-20, and
THL
TLH
V
V
Bypass Capacitors
Capacitive Loads
TLH
THL
MCP6561/1R/2/4
(Figure
=
=
= trip voltage from low to high
= trip voltage from high to low
V
V
V
OH
Figure 2-23
OL
23
OH
⎛
⎜
⎝
R
⎛
⎜
⎝
2-19),
---------------------- -
R
---------------------- -
R
=
23
23
23
and V
R
------------------
R
R
=
+
+
23
23
2
R
+
R F
R F
------------------
R
3
R
OL
2
R
especially
can be used to determine
⎞
⎟
⎠
2
⎞
⎟
⎠
+
3
R
.
+
+
×
R
3
3
V
V
V
DD
23
23
⎛
⎝
DS22139A-page 17
⎛
⎝
--------------------- -
R
--------------------- -
R
23
23
R
R
+
Figure
with
+
F
F
R
R
F
F
⎞
⎠
⎞
⎠
higher
2-31).