MCP6564T-E/ST Microchip Technology, MCP6564T-E/ST Datasheet - Page 17

• Manufacturer Part Number: MCP6564T-E/ST
• Description: IC COMP QUAD 1.8V PP 14-TSSOP
• Manufacturer: Microchip Technology
• Type: General Purposer

Specifications of MCP6564T-E/ST

• Package / Case: 14-TSSOP (0.173", 4.40mm Width)
• Number Of Elements: 4
• Output Type: CMOS, Push-Pull, Rail-to-Rail, TTL
• Voltage - Supply: 1.8 V ~ 5.5 V
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MCP6564T-E/STTR

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.
MCP656X
+
Figure
-
V
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.
Where:
DD
MCP6561/1R/1U/2/4
V
V
TLH
THL
for single supply) should have a local bypass
V
V
2-20, and
THL
TLH
Bypass Capacitors
Capacitive Loads
(Figure
=
=
=
=
V
V
R
V
OH
Figure 2-23
OL
23
23
OH
⎛
⎜
⎝
⎛
⎜
⎝
trip voltage from low to high
trip voltage from high to low
2-19),
=
---------------------- -
R
=
---------------------- -
R
23
23
and V
------------------ -
R
R
------------------ -
R
R
+
R
+
23
2
2
23
R
2
+
+
R F
R F
R
3
OL
R
3
R
especially
can be used to determine
⎞
⎟
⎠
⎞
⎟
⎠
3
3
.
+
+
×
V
V
V
23
DD
23
⎛
⎝
DS22139B-page 17
⎛
⎝
--------------------- -
R
--------------------- -
R
23
23
R
R
+
Figure
with
+
F
F
R
R
F
F
⎞
⎠
⎞
⎠
higher
2-31).