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LR1554 Datasheet(PDF) 1 Page - Leshan Radio Company |
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LR1554 Datasheet(HTML) 1 Page - Leshan Radio Company |
1 / 6 page Low Voltage 0.4Ω Quad SPDT Analog Switch Features Wide Power Supply Range:1.6V to 4.2V Low On-Resistance: 0.4Ω (VDD=2.7V) Low On-Resistance Flatness -3dB BandWidth: 42 MHz Fast Switching Speed(VDD=3.3V): tON: 20ns tOFF: 10ns IDD = 300nA @ TA = +25°C High Off Isolation: -65dB Crosstalk Rejection: -65dB Lead(Pb) Free QFN-16 Package(3mmx3mm) Applications Wireless Handsets Portable electronic devices PDAs Audio & Video Switching PCMCIA Cards Computer Peripherals Modems Pin Configuration COM1 NO1 VDD NC4 NC2 GND NO3 COM3 LR 1554 SSSSS 1 2 3 13 12 11 10 9 8 7 6 5 4 14 15 16 Top View Description The LR1554 is a quad single-pole double-throw (SPDT) CMOS switch featuring an On-Resistance of 0.4 ohm at VDD=2.7V and wide power supply range from 1.6V to 4.2V. It can be used as an analog switch or low-delay bus switch. Block Diagram Function Table In Function 0 NC1(NC2) connect to COM1 (COM2) A0 1 NO1(NO2) connect to COM1 (COM2) 0 NC3(NC4) connect to COM3 (COM4) A1 1 NO3(NO4) connect to COM3 (COM4) Pin Description Pin Name Type Description VDD PWR Power Supply GND Ground Ground COMx Input/Output Data Port NCx Input/Output Data Port NOx Input/Output Data Port Ay Input Logic Control Signal x = 1, 2, 3 or 4; y = 0 or 1 LR1554 Leshan Radio Co ., Ltd 1/6 |
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