MCP6542 Microchip Technology Inc., MCP6542 Datasheet - Page 18

• Manufacturer Part Number: MCP6542
• Description: Push-pull Output Sub-microamp Comparators
• Manufacturer: Microchip Technology Inc.

MCP6541/1R/1U/2/3/4
4.10
4.10.1
Some applications require higher DC precision. An
easy way to solve this problem is to use an amplifier
(such as the MCP6041) to gain-up the input signal
before it reaches the comparator.
example of this approach.
FIGURE 4-11:
Comparator.
4.10.2
Figure 4-12
dowed comparator. The AND gate produces a logic ‘1’
when the input voltage is between V
V
FIGURE 4-12:
DS21696F-page 18
V
RT
V
IN
REF
> V
V
V
V
RT
IN
RB
RB
Typical Applications
R
).
1
PRECISE COMPARATOR
WINDOWED COMPARATOR
shows one approach to designing a win-
MCP6041
R
V
2
V
Precise Inverting
Windowed Comparator.
DD
REF
MCP6542
MCP6542
1/2
1/2
MCP654X
Figure 4-11
RB
V
and V
DD
RT
shows an
(where
V
OUT
4.10.3
A simple bistable multi-vibrator design is shown in
Figure
supplies (V
The output duty cycle changes with V
FIGURE 4-13:
V
REF
4-13. V
SS
BISTABLE MULTI-VIBRATOR
R
= GND and V
REF
1
C
1
needs to be between the power
Bistable Multi-vibrator.
© 2007 Microchip Technology Inc.
DD
MCP6541
) to achieve oscillation.
R
R
2
3
V
DD
REF
.
V
OUT