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MCP6542-I/SN 参数 Datasheet PDF下载

MCP6542-I/SN图片预览
型号: MCP6542-I/SN
PDF下载: 下载PDF文件 查看货源
内容描述: 推挽输出亚微安比较 [Push-Pull Output Sub-Microamp Comparators]
分类和应用: 比较器放大器放大器电路光电二极管PC
文件页数/大小: 34 页 / 1169 K
品牌: MICROCHIP [ MICROCHIP ]
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MCP6541/1R/1U/2/3/4  
3.0  
PIN DESCRIPTIONS  
Descriptions of the pins are listed in Table 3-1.  
TABLE 3-1:  
PIN FUNCTION TABLE  
MCP6541  
(PDIP,  
SOIC,  
MCP6541  
(SOT-23-5,  
MSOP)  
SC-70-5)  
Symbol  
Description  
6
2
1
1
4
1
2
6
2
1
2
OUT, OUTA Digital Output (comparator A)  
VIN–, VINA– Inverting Input (comparator A)  
VIN+, VINA+ Non-inverting Input (comparator A)  
4
4
1
3
3
3
3
3
3
3
7
5
2
5
8
7
4
VDD  
Positive Power Supply  
4
2
5
2
5
4
5
VINB  
+
Non-inverting Input (comparator B)  
Inverting Input (comparator B)  
Digital Output (comparator B)  
Digital Output (comparator C)  
Inverting Input (comparator C)  
Non-inverting Input (comparator C)  
Negative Power Supply  
6
6
VINB  
7
7
OUTB  
OUTC  
4
8
9
VINC  
+
10  
11  
12  
13  
14  
VINC  
VSS  
1, 5, 8  
8
VIND  
VIND  
+
Non-inverting Input (comparator D)  
Inverting Input (comparator D)  
Digital Output (comparator D)  
Chip Select  
OUTD  
CS  
1, 5  
NC  
No Internal Connection  
3.1  
Analog Inputs  
3.4  
Power Supply (VSS and VDD)  
The comparator non-inverting and inverting inputs are  
high-impedance CMOS inputs with low bias currents.  
The positive power supply pin (VDD) is 1.6V to 5.5V  
higher than the negative power supply pin (VSS). For  
normal operation, the other pins are at voltages  
between VSS and VDD  
.
3.2  
CS Digital Input  
Typically, these parts are used in a single (positive)  
supply configuration. In this case, VSS is connected to  
ground and VDD is connected to the supply. VDD will  
need a local bypass capacitor (typically 0.01 µF to  
0.1 µF) within 2 mm of the VDD pin. These can share a  
bulk capacitor with nearby analog parts (within  
100 mm), but it is not required.  
This is a CMOS, Schmitt-triggered input that places the  
part into a low power mode of operation.  
3.3  
Digital Outputs  
The comparator outputs are CMOS, push-pull digital  
outputs. They are designed to be compatible with  
CMOS and TTL logic and are capable of driving heavy  
DC or capacitive loads.  
© 2006 Microchip Technology Inc.  
DS21696E-page 13  
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