WMSIC Electronic Components

GATEMODE GM3085N

ModelGM3085N
PackageSOP-8
BrandGATEMODE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE GM3085N
Type
GATEMODE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
GM3085N
Electronic Component
1
Package
SOP-8
Type
Transceiver
Electronic Component
RS-485 / RS-422IC
Electronic Component
0.25g
Electronic Component
256
Electronic Component
1
Features
Tx / Rx
Electronic Component
BM0264228271
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
1
Data
1Mbps

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

GM3085N RS-485/RS-422收发器产品概述

一、核心身份与基本定位

GM3085N是捷茂微(GATEMODE)推出的半双工RS-485/RS-422收发器,采用SOP-8贴片封装,属于工业级通信接口器件。作为1驱动器+1接收器的基础收发器,它专为中低速多节点半双工数据传输场景设计,可实现设备间双向差分通信,同时兼容RS-485(多节点总线)与RS-422(点对点/短距离多节点)两种协议,是工业自动化、安防监控等领域的通用通信解决方案。

二、关键性能参数深度解析

GM3085N的核心参数覆盖工业通信基础需求,具体解析如下:

2.1 收发器基础配置

采用1个差分驱动器和1个差分接收器,支持半双工模式(数据收发分时进行),避免同时收发的硬件冲突,简化系统设计;兼容RS-485与RS-422协议,可灵活适配总线型、点对点等拓扑结构。

2.2 电压与功耗特性

  • 工作电压范围:3V~5.5V,覆盖主流MCU供电(3.3V、5V),无需额外电平转换电路,降低系统成本;
  • 静态电流:800uA(典型值),低功耗设计适合电池供电设备(如便携式传感器)或长期待机的低功耗系统。

2.3 通信性能

  • 数据速率:1Mbps(最大),满足中低速工业数据传输需求(如传感器数据采集、小型设备状态上报);
  • 节点数:支持最多256个节点,符合RS-485多节点总线核心特性,可构建中型组网系统(如车间传感器集群);
  • 静电防护:±15kV(人体模型HBM),工业现场高ESD防护能力,减少插拔、静电放电导致的器件损坏。

2.4 环境适应性

  • 工作温度范围:-40℃~+85℃,工业级温度规格,可适应户外低温、车间高温等恶劣环境,无需额外散热或保温措施。

三、封装与电气特性补充

GM3085N采用SOP-8贴片封装,尺寸小巧(约5.2mm×6.4mm),便于PCB布局(尤其是小型化设备);引脚定义遵循RS-485收发器标准(如DI为数据输入、RO为数据输出、DE/RE为收发使能、A/B为差分总线引脚、VCC/GND为电源),可直接兼容现有RS-485电路设计,降低设计难度。

电气特性方面,其差分输出电压符合RS-485标准(典型值±2V),共模抑制比(CMRR)>60dB,可有效抑制总线共模噪声;接收器输入阻抗>12kΩ,支持多节点并联,不影响总线负载。

四、典型应用领域

GM3085N的参数特性使其适用于多个场景:

  1. 工业自动化:PLC与现场传感器(温度、压力)、执行器的通信;
  2. 安防监控:多摄像头组网(总线型拓扑)、门禁系统数据传输;
  3. 智能家居:家电、传感器的互联互通(如智能电表与网关通信);
  4. 车载子系统:部分车载传感器(如胎压监测)的局部通信;
  5. 消费电子:小型设备(如打印机、扫描枪)的数据接口。

五、产品核心优势总结

GM3085N的核心优势可概括为:

  • 宽电压兼容:适配3V~5.5V,无需电平转换;
  • 强抗干扰:±15kV ESD防护+高CMRR,适应工业噪声环境;
  • 多节点支持:256节点满足中型组网需求;
  • 工业级可靠:-40~85℃温宽,恶劣环境下稳定工作;
  • 低功耗设计:800uA静态电流,适合低功耗系统。

整体来看,GM3085N是一款性价比高、性能均衡的工业级RS-485/RS-422收发器,可满足大多数中低速多节点半双工通信的需求。

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