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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  
Note: Unless otherwise indicated, VDD = +1.6V to +5.5V, VSS = GND, TA = 25°C, VIN+ = VDD/2, VIN– = GND,  
RL = 100 kΩ to VDD/2, and CL = 36 pF.  
6.0  
50  
VDD = 5.5V  
100 mV Overdrive  
5.5  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
-0.5  
45  
40  
35  
30  
25  
20  
15  
10  
5
VCM = VDD/2  
tPHL @ VDD = 1.6V  
tPLH @ VDD = 1.6V  
VOUT  
CS  
tPHL @ VDD = 5.5V  
tPLH @ VDD = 5.5V  
0
0
10 20 30 40 50 60 70 80 90  
Load Capacitance (nF)  
0
1
2
3
4
5
6
7
8
9
10  
Time (ms)  
FIGURE 2-31:  
Propagation Delay vs. Load  
FIGURE 2-34:  
Chip Select (CS) Step  
Capacitance.  
Response (MCP6543 only).  
1.E-10m3  
1.E-03  
1m  
Comparator  
Turns On  
Comparator  
Shuts Off  
Comparator  
Turns On  
Comparator  
Shuts Off  
100µ  
1.E-04  
1.E- 4  
100µ  
10µ  
1.E-05  
10µ  
1.E- 5  
1µ  
1.E-06  
1µ  
1.E-06  
CS Hysteresis  
CS  
Hysteresis  
100n  
1.E-07  
100n  
1.E- 7  
10n  
1.E-08  
10n  
1.E- 8  
CS  
High-to-Low  
CS  
CS  
CS  
1n  
1.E-09  
1n  
1.E-09  
Low-to-High  
High-to-Low  
Low-to-High  
100p  
1.E-10  
100p  
1.E-10  
VDD = 1.6V  
VDD = 5.5V  
10p  
1.E-11  
10p  
1.E-11  
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6  
Chip Select (CS) Voltage (V)  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
Chip Select (CS) Voltage (V)  
FIGURE 2-32:  
Supply Current (shoot  
FIGURE 2-35:  
Supply Current (shoot  
through current) vs. Chip Select (CS) Voltage at  
through current) vs. Chip Select (CS) Voltage at  
V
= 1.6V (MCP6543 only).  
V
= 5.5V (MCP6543 only).  
DD  
DD  
6
1.6  
VOUT  
CS  
3
0.0  
VOUT  
0
CS  
140  
20  
120  
VDD = 1.6V  
Start-up IDD  
100  
80  
60  
40  
20  
0
15  
VDD = 5.5V  
Start-up  
IDD  
Charging output  
capacitance  
10  
5
Charging output  
capacitance  
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5  
Time (0.5 ms/div)  
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14  
Time (1 ms/div)  
FIGURE 2-33:  
Supply Current (charging  
FIGURE 2-36:  
Supply Current (charging  
current) vs. Chip Select (CS) pulse at V = 1.6V  
current) vs. Chip Select (CS) pulse at V = 5.5V  
DD  
DD  
(MCP6543 only).  
(MCP6543 only).  
© 2006 Microchip Technology Inc.  
DS21696E-page 11  
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