MCP6541 Microchip Technology, MCP6541 Datasheet
MCP6541
Manufacturer Part Number
MCP6541
Description
Push-Pull Output Sub-Microamp Comparators
Manufacturer
Microchip Technology
Datasheet
1.MCP6541.pdf
(29 pages)
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Features
• Low Quiescent Current: 600 nA/comparator (typ.)
• Rail-to-Rail Input: V
• CMOS/TTL-Compatible Output
• Propagation Delay 4 µs (typ.)
• Wide Supply Voltage Range: 1.6V to 5.5V
• Available in Single, Dual and Quad
• Single available in SOT-23-5, SC-70-5 packages
• Chip Select (CS) with MCP6543
• Low Switching Current
• Internal Hysteresis: 3.3 mV (typ.)
• Industrial Temperature: -40°C to +85°C
Typical Applications
• Laptop Computers
• Mobile Phones
• Metering Systems
• Hand-held Electronics
• RC Timers
• Alarm and Monitoring Circuits
• Windowed Comparators
• Multi-vibrators
Related Devices
• Open-Drain Output: MCP6546/7/8/9
Package Types
M
2003 Microchip Technology Inc.
OUT
V
V
V
V
V
IN
SOT-23-5, SC-70-5
PDIP, SOIC, MSOP
NC
IN
IN
SS
SS
+
–
+
1
2
3
1
2
3
4
MCP6541
MCP6541
Push-Pull Output Sub-Microamp Comparators
+
+
-
-
-
8
7
6
5
5
4
SS
NC
V
OUT
NC
V
V
DD
- 0.3V to V
DD
IN
–
OUT
V
V
IN
DD
+
DD
1
2
3
MCP6541-R
SOT-23-5
+ 0.3V
-
5
4
V
V
SS
IN
–
MCP6541/2/3/4
OUTA
V
V
INA
INA
V
V
V
V
PDIP, SOIC, MSOP
NC
PDIP, SOIC, MSOP
IN
IN
SS
SS
+
–
–
+
Description
The Microchip Technology Inc. MCP6541/2/3/4 family
of comparators is offered in single (MCP6541), single
with chip select (MCP6543), dual (MCP6542) and quad
(MCP6544) configurations. The outputs are push-pull
(CMOS/TTL-compatible) and are capable of driving
heavy DC or capacitive loads.
These comparators are optimized for low power, single-
supply operation with greater than rail-to-rail input
operation. The push-pull output of the MCP6541/2/3/4
family supports rail-to-rail output swing and interfaces
with TTL/CMOS logic. The internal input hysteresis
eliminates output switching due to internal input noise
voltage, reducing current draw. The output limits supply
current surges and dynamic power consumption while
switching. This product family operates with a single-
supply voltage as low as 1.6V and draws less than 1 µA/
comparator of quiescent current.
The related MCP6546/7/8/9 family of comparators from
Microchip has an open-drain output. Used with a pull-up
resistor, these devices can be used as level-shifters for
any desired voltage up to 10V and in wired-OR logic.
1
2
3
4
1
2
3
4
MCP6542
MCP6543
-
+
-
+
+ -
8
7
6
5
8
7
6
5
V
OUTB
V
V
CS
V
OUT
NC
DD
DD
INB
INB
–
+
OUTB
OUTA
V
V
V
V
INA
INB
INA
INB
V
PDIP, SOIC, TSSOP
DD
–
+
+
–
1
2
3
4
5
6
7
MCP6544
-
-
+
+
DS21696C-page 1
+ -
+
-
14
13
12
10
11
9
8
OUTD
V
V
V
V
V
OUTC
IND
IND
SS
INC
INC
–
+
+
–
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