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MCP6546U-E/P

更新时间： 2024-11-23 03:00:59
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美国微芯 - MICROCHIP /
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Open-Drain Output Sub-Microamp Comparators

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MCP6546/6R/6U/7/8/9  
Open-Drain Output Sub-Microamp Comparators  
Features  
Description  
• Low Quiescent Current: 600 nA/comparator (typ.)  
• Rail-to-Rail Input: VSS - 0.3V to VDD + 0.3V  
• Open-Drain Output: VOUT ≤ 10V  
• Propagation Delay: 4 µs (typ., 100 mV Overdrive)  
• Wide Supply Voltage Range: 1.6V to 5.5V  
• Single available in SOT-23-5, SC-70-5 * packages  
• Available in Single, Dual and Quad  
• Chip Select (CS) with MCP6548  
• Low Switching Current  
The Microchip Technology Inc. MCP6546/7/8/9 family  
of comparators is offered in single (MCP6546,  
MCP6546R, MCP6546U), single with chip select  
(MCP6548), dual (MCP6547) and quad (MCP6549)  
configurations. The outputs are open-drain and are  
capable of driving heavy DC or capacitive loads.  
These comparators are optimized for low power,  
single-supply application with greater than rail-to-rail  
input operation. The output limits supply current surges  
and dynamic power consumption while switching. The  
open-drain output of the MCP6546/7/8/9 family can be  
used as a level-shifter for up to 10V using a pull-up  
resistor. It can also be used as a wired-OR logic. The  
internal Input hysteresis eliminates output switching  
due to internal noise voltage, reducing current draw.  
These comparators operate with a single-supply  
voltage as low as 1.6V and draw a quiescent current of  
less than 1 µA/comparator.  
• Internal Hysteresis: 3.3 mV (typ.)  
• Temperature Range:  
- Industrial: -40°C to +85°C  
- Extended: -40°C to +125°C  
Typical Applications  
• Laptop Computers  
• Mobile Phones  
The related MCP6541/2/3/4 family of comparators from  
Microchip has a push-pull output that supports rail-to-  
rail output swing and interfaces with CMOS/TTL logic.  
• Metering Systems  
• Hand-held Electronics  
• RC Timers  
* SC-70-5 E-Temp parts not avaliable at this release of  
the data sheet.  
• Alarm and Monitoring Circuits  
• Windowed Comparators  
• Multi-vibrators  
MCP6546U SOT-23-5 is E-Temp only.  
Related Devices  
• CMOS/TTL-Compatible Output: MCP6541/2/3/4  
Package Types  
MCP6549  
MCP6547  
PDIP, SOIC, TSSOP  
PDIP, SOIC, MSOP  
MCP6546  
MCP6546R  
PDIP, SOIC, MSOP  
SOT-23-5  
OUTA 1  
14 OUTD  
VDD  
OUTA 1  
1
VSS  
8
7
6
5
NC  
8
7
6
5
OUT  
VDD  
NC  
1
2
3
5
VINA– 2 - + + 13 VIND  
–
+
-
+
OUTB  
VINA–  
+
-
2
3
4
VIN– 2  
VIN+ 3  
VSS  
4
-
+
VDD  
OUT  
NC  
-
VINA+ 3  
12 VIND  
VINA  
+
VINB  
VINB  
–
+
-
VIN+  
4 VIN–  
VSS  
VDD  
4
V
11  
SS  
VINB+ 5  
VINB– 6  
10 VINC  
-
9 VINC  
+
MCP6546  
SOT-23-5, SC-70-5  
MCP6546U  
MCP6548  
PDIP, SOIC, MSOP  
-
+ +  
–
SOT-23-5  
OUTB  
8
OUTC  
7
NC 1  
VIN– 2  
VIN+ 3  
8
7
CS  
VDD  
VDD  
VDD  
OUT  
VIN–  
VSS  
1
2
3
1
2
3
5
5
4
-
+
-
+
VSS  
-
6 OUT  
5 NC  
VIN+  
4 VIN– VIN+  
OUT  
VSS  
4
© 2006 Microchip Technology Inc.  
DS21714E-page 1  
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