MCP6544-E/SL Microchip Technology, MCP6544-E/SL Datasheet - Page 16

• Manufacturer Part Number: MCP6544-E/SL
• Description: IC COMP 1.6V QUAD P-P 14SOIC
• Manufacturer: Microchip Technology
• Type: General Purposer

Specifications of MCP6544-E/SL

• Output Type: CMOS, Push-Pull, Rail-to-Rail, TTL
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Number Of Elements: 4
• Voltage - Supply: 1.6 V ~ 5.5 V
• Mounting Type: Surface Mount
• Number Of Channels: 4 Channels
• Product: Analog Comparators
• Offset Voltage (max): 7 mV
• Input Bias Current (max): 0.000001 uA
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP6541/1R/1U/2/3/4
4.4.2
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:
DS21696F-page 16
V
V
V
V
OH
DD
OL
SS
V
V
23
SS
V
IN
R
R
Low-to-High
V
2
3
OUT
shows an inverting circuit for single-supply
V
INVERTING CIRCUIT
Figure
DD
DD
, as shown in
R
23
4-7.
V
MCP654X
TLH
Inverting Circuit With
Hysteresis Diagram for the
Thevenin Equivalent Circuit.
Figure
V
+
-
MCP654X
DD
V
THL
V
Figure
DD
R
4-6, R
F
High-to-Low
V
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 2-20
typical values for V
4.5
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.
4.6
Reasonable capacitive loads (e.g., logic gates) have
little impact on propagation delay (see
The supply current increases with increasing toggle
frequency
capacitive loads.
4.7
In order to maximize battery life in portable
applications, use large resistors and small capacitive
loads. Avoid toggling the output more than necessary.
Do not use Chip Select (CS) frequently to conserve
start-up power. Capacitive loads will draw additional
power at start-up.
V
V
DD
TLH
THL
for single supply) should have a local bypass
V
= trip voltage from low to high
= trip voltage from high to low
V
THL
TLH
Bypass Capacitors
Capacitive Loads
Battery Life
and
(Figure
=
=
V
V
V
Figure 2-23
OH
OL
23
OH
⎛
⎜
⎝
⎛
⎜
⎝
R
2-19),
---------------------- -
R
---------------------- -
R
=
23
23
and V
23
R
R
------------------
R
© 2007 Microchip Technology Inc.
=
+
+
23
2
23
R
+
R F
R F
------------------
R
3
R
OL
2
R
can be used to determine
especially
⎞
⎟
⎠
2
⎞
⎟
⎠
+
3
R
.
+
+
×
R
3
3
V
V
V
23
DD
23
⎛
⎝
⎛
⎝
--------------------- -
R
--------------------- -
R
23
23
R
R
Figure
with
+
+
F
F
R
R
F
F
⎞
⎠
⎞
⎠
higher
2-31).