BL1558 Quad SPDT Analog Switch, Low Voltage, QFN16 (3×3mm)

Shanghai Belling

The BL1558 is a quad-channel SPDT analog switch designed for audio and video signal routing in portable electronics. With low on-resistance (4Ω) and low-voltage operation, it ensures reliable multi-signal switching.
The device operates from 1.8V to 5.5V and is packaged in a QFN16 (3×3mm) for space-efficient designs.

Key Specifications

  • Configuration: Quad SPDT (4 × 1:2)

  • Supply Voltage (VDD): 1.8V – 5.5V

  • On-Resistance:

  • Package: QFN16 (3×3mm)

Applications

  • Audio signal routing

  • Video signal switching

  • Portable electronic devices

Features

  • Quad-channel integration

  • Low voltage operation

  • Compact package