The BU1851GUW is a high-performance analog switch from Rohm Semiconductor, designed for a wide range of signal switching applications. This switch offers exceptional signal integrity and low distortion, making it suitable for use in audio, video, and data communication systems. Its compact package and low power consumption make it an ideal choice for portable and battery-powered devices.

Applications

• Audio signal routing in audio amplifiers and mixers
• Video signal switching in display systems and video recorders
• Data signal selection in communication equipment
• Analog signal multiplexing in data acquisition systems
• Portable audio players and smartphones

Features

• Low On-Resistance: Ensures minimal signal loss and distortion.
• Low Capacitance: Minimizes signal degradation at high frequencies.
• Wide Operating Voltage Range: Provides flexibility in various applications.
• Low Power Consumption: Extends battery life in portable devices.
• Small Package Size: Allows for compact designs and high-density PCB layouts.
• High Off-Isolation: Prevents signal interference between channels.
• Fast Switching Speed: Enables rapid signal selection and switching.

Benefits

• Improved Signal Quality: Low on-resistance and capacitance ensure minimal signal distortion.
• Enhanced System Performance: Fast switching speed allows for rapid signal selection.
• Reduced Power Consumption: Low power consumption extends battery life.
• Compact Design: Small package size enables integration into space-constrained applications.
• Increased Reliability: Robust design ensures stable and reliable operation.
• Versatile Applications: Wide operating voltage range and signal compatibility enable use in diverse systems.
• Cost-Effective Solution: Provides a balance of performance and affordability.

Technical Specifications

The BU1851GUW features a typical on-resistance of around 1 ohm, offering excellent signal transmission characteristics. Its low capacitance of a few picofarads ensures minimal signal degradation at high frequencies. The operating voltage ranges typically from 1.8V to 5.5V, making it compatible with various logic levels. The switch is available in a small package, such as USON, which allows for high-density board layouts. The switching speed is typically in the nanosecond range, ensuring fast signal switching. It also features ESD protection to safeguard against electrostatic discharge events, contributing to improved reliability and longevity of the switch in various electronic systems. This IC is RoHS compliant.