The BL1557 is a dual, single-pole double-throw (SPDT) analog switch that is designed to operate from 1.8 V to 5.5 V. The BL1557 can handle both analog and digital signals. It features high bandwidth (400MHz) and low on-resistance (3.5Ω TYP).

•  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 Switching
•  Rail-to-Rail Signal Range
•  High Off-Isolation: -75dB (f=1MHz)
•  Crosstalk Rejection: -98dB (f=1MHz)
•  Operation Temperature Range: -40°C to +125°C