This datasheet introduces the functions, features, applications and technical parameters of BU4S66G2.
The BU4S66G2 is a single‑gate CMOS analog switch IC offered in an SSOP5 surface‑mount package. It can replace a BU4066B device and is suitable for digital/analog switching, ON/OFF or changeover functions in high‑speed lines without degrading the analog signal.
The note provides absolute maximum ratings, recommended operating conditions, electrical characteristics, pinout details, switching tables and practical design notes such as power‑supply handling, grounding, thermal design and ordering information.
| Supply voltage range | 3 V – 16 V |
|---|---|
| Input voltage range | -0.3 V to VDD+0.3 V |
| Operating temperature range | -40 °C to 85 °C |
| ON resistance (RON) | ≈120 Ω – 250 Ω |
| Maximum control frequency | 12 MHz |
| Maximum propagation frequency | 30 MHz |
The device operates from 3 V to 16 V supply voltage.
It is encapsulated in an SSOP5 surface‑mount package.
The recommended operating temperature is –40 °C to 85 °C.