The BL1558 is a 4-channel single-pole double-throw (SPDT) analog switch with two control inputs，which is designed to operate from 1.8 to 5.5V. This device is also known as a dual double-pole double-throw (DPDT) configuration with two logic control inputs. The BL1558 can handle both analog and digital signals. It features high-bandwidth (400MHz) and low on-resistance(4Ω TYP).

• Wide Power Supply Range:1.8V to 5.5V
• On-Resistance: 4Ω(TYP)
• Low On-Resistance Flatness
• -3dB Bandwidth: 400MHz
• Break-Before-Make Switching
• Rail-to-Rail Signal Range
• High Off-Isolation: -78dB (f=1MHz)
• Crosstalk Rejection: -98dB (f=1MHz)
• Operation Temperature Range: -40°C to +125°C

• BL1558_V1.2_en.pdf

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