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MCP6546RT

更新时间： 2024-11-19 12:10:23
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美国微芯 - MICROCHIP /
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44页 1575K
描述
Open-Drain Output Sub-Microamp Comparators

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MCP6546RT 数据手册

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MCP6546/6R/6U/7/8/9  
Open-Drain Output Sub-Microamp Comparators  
Features  
Description  
• LowQuiescentCurrent:600 nA/Comparator(typical)  
• Rail-to-Rail Input: VSS - 0.3V to VDD + 0.3V  
• Open-Drain Output: VOUT ≤ 10V  
• PropagationDelay:4 µs (typical,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  
The Microchip Technology Inc. MCP6546/6R/6U/7/8/9  
family of comparators, is offered in single (MCP6546,  
MCP6546R, MCP6546U), single with chip select (CS)  
(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 MCP6546/6R/6U/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 switch-  
ing 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.  
• Low Switching Current  
• Internal Hysteresis: 3.3 mV (typical)  
• 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 are not available 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  
PDIP, SOIC, TSSOP  
MCP6546  
MCP6546R  
MCP6547  
PDIP, SOIC, MSOP  
PDIP, SOIC, MSOP  
SOT-23-5  
OUTA 1  
14OUTD  
V
DD  
OUTA 1  
1
V
V
8
7
6
5
NC  
8
7
6
5
OUT  
NC  
V
1
2
3
5
SS  
V
V
– 2 - +  
+ 3  
+
13V  
12V  
–
+
-
INA  
IND  
IND  
SS  
+
V
V
–
+
-
OUTB  
2
3
4
V
V
– 2  
+ 3  
4
-
V
INA  
-
IN  
IN  
DD  
DD  
INA  
+
+
-
V
V
–
+
OUT  
NC  
INA  
INB  
INB  
V
+
4
–
IN  
IN  
V
V
11  
4
DD  
V
V
SS  
SS  
V
V
+ 5  
10V  
9 V  
+
–
INB  
INC  
-
-
+ +  
–
6
INB  
INC  
MCP6546  
SC-70-5, SOT23-5  
MCP6546U  
SC-70-5, SOT-23-5  
MCP6548  
PDIP, SOIC, MSOP  
OUTB 7  
8 OUTC  
V
5
V
DD  
OUT  
V
+
NC 1  
8
7
CS  
V
1
2
3
1
2
3
5
DD  
IN  
+
-
V
V
SS  
V
V
– 2  
+ 3  
-
-
DD  
SS  
IN  
IN  
+
6 OUT  
5 NC  
V
+
4 V  
–
V
IN  
–
OUT  
4
IN  
IN  
V
4
SS  
© 2002-2012 Microchip Technology Inc.  
DS21714G-page 1  
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