WMSIC Electronic Components

MAXLINEAR SP3223EEY-L/TR SP3223EEY

ModelSP3223EEY-L/TR
PackageTSSOP-20
BrandMAXLINEAR
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

20 specifications

Core information

Product name
MAXLINEAR SP3223EEY-L / TR
Type
MAXLINEAR
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MAXLINEAR
Electronic Component
SP3223EEY-L/TR
Electronic Component
1
Package
TSSOP-20
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.125g
Electronic Component
1
Features
Low Power
Electronic Component
BM0000515131
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
2
Data
235Kbps

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

SP3223EEY-L/TR 产品概述

一、产品简介

SP3223EEY-L/TR 是来自 MAXLINEAR(迈凌)的一款全功能收发器(IC TRANSCEIVER FULL 2/2),在单一芯片上集成了 2 路驱动器和 2 路接收器,适用于串行通信接口的 RS‑232 类应用。器件内置电荷泵,能够在单电源供电条件下产生必要的电平转换,工作电压范围宽(3.0V 至 5.5V),并在工业温度范围内可靠工作(-40℃ 至 +85℃)。器件采用 TSSOP‑20 封装,便于在空间受限的 PCB 上布局与焊接。

二、主要特性

  • 2 路驱动器 / 2 路接收器,全双工收发功能,满足常见串口通信需求。
  • 单电源工作:VCC = 3.0V ~ 5.5V,支持与 3.3V 和 5V 系统直接兼容。
  • 内置电荷泵:无需高压供电即可生成 RS‑232 所需的正/负电压。
  • 数据速率可达 235 kbps,适合多数工业与嵌入式串口场景。
  • 宽温度工作范围:-40℃ 至 +85℃,适合工业环境。
  • 强抗静电能力:静电保护级别可达 ±15 kV,提升系统抗干扰和可靠性。
  • 封装形式:TSSOP‑20,便于自动化贴片与焊接。

三、电气与环境参数(要点)

  • 工作电压:3.0V ~ 5.5V(单电源)。
  • 数据速率:典型支持至 235 kbps(实际可靠速率受线缆长度、负载和系统布局影响)。
  • 驱动器数量:2;接收器数量:2。
  • 工作温度:-40℃ ~ +85℃(工业级)。
  • 静电保护:高达 ±15kV(提高系统在插拔、现场操作时的安全性)。
  • 封装:TSSOP‑20,适配标准 PCB 布局工艺。

四、功能描述

SP3223EEY-L/TR 将 TTL/CMOS 逻辑电平与传统串行接口电平进行可靠转换。内部电荷泵电路可在单电源下生成所需的正负电压,从而省去外部 ±12V 电源的设计复杂度。驱动器输出符合 RS‑232 类电平要求,可直接驱动远端串行设备;接收器对输入信号进行电平恢复,输出为 MCU/FPGA 等逻辑电平。典型用途包括点对点串口通信,主/从设备的数据交换,外设控制与调试接口等。

五、典型应用场景

  • 工业控制与自动化设备的串口通信模块。
  • 嵌入式系统与微控制器的 UART 接口电平转换。
  • POS 机、刷卡终端和医疗设备的串口接口。
  • 现场数据采集、仪器仪表与调试接口。
  • 调制解调器、路由器与串口扩展模块等。

六、设计与布局建议

  • 电荷泵稳定:器件内部电荷泵通常需要若干旁路/耦合电容以保证电平稳定,实际设计请参照厂商应用说明并布置推荐规格的外部电容。
  • 去耦与电源布线:VCC 引脚附近放置 0.1µF 陶瓷去耦电容,尽量靠近芯片电源引脚以减少干扰。
  • 接地良好:为确保信号完整性与抗干扰能力,采用单点或短回路的接地策略,接收器端的地线与系统地可靠连接。
  • RS‑232 线缆与速率匹配:较高波特率与较长线缆会降低可靠性,建议根据现场长度和速率权衡并验证眼图/误码率。
  • ESD 与保护:尽管器件具有高静电保护能力,仍建议在易受干扰的外部接口处配合使用防护网络(如 TVS),以进一步提升系统鲁棒性。

七、封装与订购信息

SP3223EEY-L/TR 常见为带胶盘/带卷盘包装,适用于 SMT 自动化生产。封装为 TSSOP‑20,便于在 PCB 上实现高密度布局。型号命名后缀(如 L/TR)通常表示包装与交货形式,量产与样片采购请参考供应商与经销商提供的最新手册与库存信息。

总结:SP3223EEY-L/TR 是一款面向工业与嵌入式串口应用的高可靠性、低成本电平转换收发器。凭借单电源工作、内置电荷泵、良好的温度与静电指标,它能在多种现场环境中替代传统双电源 RS‑232 方案,简化系统设计并提升可靠性。若需具体引脚功能、电气特性曲线与参考电路,请参阅 MAXLINEAR 提供的详细数据手册。

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