مدار مجتمع (آی سی) آی‌سی واسط ارتباطی درایور، گیرنده و فرستنده‌گیرنده‌

Product Attributes

Introduction

SIT491E is a 4.5V~5.5V powered, full-duplex, low power dissipation RS-485 transceiver fully meeting the requirements of RS-485 & RS-422 standard. SIT491E contains one driver and one receiver, both can transmit signals independently. The SIT491E has a 1/8-unit-load. It allows up to 256 transceivers on the bus and error-free data transmission up to 12Mbps. SIT491E has a working voltage range of 4.5V ~ 5.5V, with the functions of Current-Limiting Protection, Over-voltage Protection, Control Port Hot Plug Input, etc. SIT491E has excellent ESD release capability, and HBM reaches ±15kV.

Features

• 4.5V~5.5V Supply, Full-Duplex
• Fail-Safe
• 1/8 Unit Load, Allow Up to 256 Transceivers on the Bus
• Driver Short-Circuit Output Protection
• Receiver Open Circuit Failure Protection
• Strong Anti-Noise Ability
• Integrated Transient Voltage Suppression Function
• The Data Transmission Rate Up to 12Mbps in Electric Noise Environment
• ESD Protection for RS-485 I/O Pins ±15kV, Human Body Model
• Provide green and environmentally friendly lead-free package