BL1557 switch equivalent, dual spdt analog switch.
* Wide Power Supply Range:1.8V to 5.5V
* On-Resistance: 3.5Ω(TYP) at 5.0V
* Low On-Resistance Flatness
* High Bandwidth: 400MHz
* Break-Before-Make Sw.
* Wearable Devices
* Portable Instrumentation
* Battery-Operated Equipment
* Computer Peripherals
* .
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