CAV25128

The CAV25128 is a high-performance analog switch manufactured by onsemi, designed for precision signal routing in demanding electronic systems. It features low on-resistance (typically 0.5 Ω) and ultra-low charge injection, making it ideal for applications requiring minimal signal distortion and high accuracy. The device operates over a wide supply voltage range of 2.7 V to 5.5 V, ensuring compatibility with various power domains in modern circuits. This analog switch includes dual independent channels, each capable of handling bidirectional signal flow, which enhances flexibility in multiplexer and demultiplexer configurations. Its low leakage current—less than 1 nA at 25°C—ensures stable operation in high-impedance environments, such as sensor interfaces or sample-and-hold circuits. Additionally, the CAV25128 offers fast switching speeds with propagation delays under 10 ns, enabling efficient data throughput in high-speed applications like video processing or communication systems. The package is a compact 8-pin SOIC, optimized for space-constrained designs while maintaining excellent thermal performance. It is fully specified across the industrial temperature range (-40°C to +85°C), making it suitable for harsh operating conditions found in automotive, industrial automation, and medical equipment. The device also includes built-in ESD protection up to ±2 kV HBM, improving reliability in real-world environments where electrostatic discharge may occur. Key features include rail-to-rail signal handling, meaning it can pass signals from ground to the supply voltage without significant loss, and CMOS-compatible control inputs that allow direct interfacing with digital logic families such as TTL or LVCMOS. This simplifies system integration and reduces the need for additional level-shifting components. Furthermore, the CAV25128 supports zero cross-talk between channels when one channel is active, minimizing interference in multi-channel signal paths. Applications span across test and measurement equipment, data acquisition systems, consumer electronics, and industrial control modules where precise, reliable signal routing is essential. Its robust design and consistent performance make it a preferred choice for engineers seeking a dependable solution in mixed-signal and high-fidelity analog circuits.