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LR1551 Datasheet(PDF) 1 Page - Leshan Radio Company |
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LR1551 Datasheet(HTML) 1 Page - Leshan Radio Company |
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1 / 10 page  2.7Ω Ω Ω Ω Low Voltage SPDT Analog Switch in 6-pin SOT363 Features Wide Power Supply Range: 1.8V to 5.5V High Bandwidth: 300MHz High Off-Isolation: 84dB at 1MHz 51dB at 10MHz On-Resistance: 2.7Ω(typ) at 5.0V Fast Switching Time ton = 12.0ns; toff = 5.0ns TTL/CMOS Compatible Break-Before-Make Switching Rail-to-Rail Signal Range Operation Temperature Range: -40℃ to 85℃ Lead (Pb) Free SOT363-6 Package Applications Wireless Handsets MP3 Players Portable Electronic Devices Relay Replacement PDAs Audio & Video Signal Routing PCMCIA Cards Computer Peripherals Modems Pin Configuration 6 66 6 5 55 5 4 44 4 ENB VCC B ASSS 1 11 1 2 22 2 3 33 3 A1 GND A2 Description The LR1551 is a Single Wide-Bandwidth, fast single- pole double-throw (SPDT) CMOS switch featuring an On-Resistance of 2.7 ohm at VCC=5.0V and wide power supply range from 1.8V to 5.5V. It can be used as an analog switch or as a low-delay bus switch. The 300MHz high bandwidth performance supports the high frequency application. Break-before-make function for both parts eliminates signal disruption during switching from preventing both switches being enabled simultaneously. Block Diagram 1 11 1 2 22 2 3 33 3 6 66 6 5 55 5 4 44 4 LR1551 A1 GND A2 ENB VCC B Function Table ENB Function 1 A1 Connected to B 0 A2 Connected to B Pin Description Pin Name Type Description VCC PWR Power Supply GND Ground Ground B Input/Output Data Port A1 Input/Output Data Port A2 Input/Output Data Port ENB Input Logic Control Signal SSS: production id LR1551 Leshan Radio Co ., Ltd 1/10 |
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