WMSIC Electronic Components

MAXLINEAR SP3220EEA-L/TR SP3220EEA

ModelSP3220EEA-L/TR
PackageSSOP-16
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 22+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MAXLINEAR SP3220EEA-L / TR
Type
MAXLINEAR
Unit
Electronic Component
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MAXLINEAR
Electronic Component
SP3220EEA-L/TR
Electronic Component
1
Package
SSOP-16
Type
Transceiver
Electronic Component
RS232IC
Electronic Component
0.645g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0000515077
Operating Temperature
40℃~+85℃
Operating Voltage
3V~5.5V
Receiver
1
Data
235Kbps

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

SP3220EEA-L/TR 产品概述

一、功能概述

SP3220EEA-L/TR 是一款由 MAXLINEAR(迈凌)推出的单驱动器/单接收器全功能收发器,专为点对点串行通信接口提供电平转换与保护。器件内置电荷泵,可在单电源供电(3.0V~5.5V)下生成所需正负电压,从而实现符合通用串口电平要求的发送和接收功能。典型数据速率可达 235 kbps,工作温度范围为 -40℃ 到 +85℃,适合工业级应用。

二、主要特性

  • 单驱动器(1 driver)与单接收器(1 receiver),支持全双工通信。
  • 工作电压:宽电压范围 3.0V ~ 5.5V,适配 3.3V 与 5V 系统。
  • 数据速率:最高可达 235 kbps,满足常见串口通信速率要求。
  • 电荷泵:内置电荷泵,减少外部电源需求,简化系统设计。
  • 低静态电流:典型静态电流仅 0.3 mA,有利于低功耗系统。
  • 静电保护:对引脚提供 ±15 kV(人体模型)级别的 ESD 保护,提高抗扰度。
  • 工作温度:工业级 -40℃ ~ +85℃,可靠性高。
  • 封装:SSOP-16,便于自动贴装与空间受限板级设计。

三、典型应用

  • 传统 RS-232/串口接口电平转换与收发。
  • 工业控制器与人机界面(HMI)通信接口。
  • 嵌入式系统的外部模块通信(如调制解调器、打印机、数据采集单元)。
  • 需要低功耗与高抗扰度的手持设备或测控仪器。

四、设计要点与建议

  • 电荷泵电容:器件内部带电荷泵,但通常需要外置旁路/电荷泵电容以保证电压稳定,建议参考原厂数据手册选择合适容量与低等效串联电阻(ESR)的电容。
  • 供电与去耦:在 VCC 端靠近器件放置高速去耦电容(如 0.1 μF)以抑制瞬态电流与噪声。
  • 布局建议:信号互连尽量短且走直线,驱动输出线避免长走线以减少反射。接地平面完整,电荷泵和通信接口的回流路径应靠近器件。
  • ESD 考量:尽管器件自带 ±15 kV 抗静电能力,PCB 仍应采取适当的防护(如外壳接地、输入滤波或浪涌保护)以提升系统可靠性。
  • 低功耗模式:利用器件低静态电流特性,可在空闲时刻降低系统能耗,具体节电方式请参照器件手册。

五、封装与订购信息

SP3220EEA-L/TR 提供 SSOP-16 封装,适合自动化贴装与散热布局。型号后缀 “/TR” 常用于卷带配送(Tape & Reel),便于生产线领用与批量装配。订购时请确认温度等级与包装形式以满足生产与环境要求。

六、优势总结

SP3220EEA-L/TR 以宽电压供电、内置电荷泵、低静态功耗和强抗静电能力为主要优势,适合需要可靠串行电平转换且对功耗与空间有要求的工业与嵌入式应用。建议在设计前参阅原厂数据手册获取具体引脚定义、电气参数和推荐外部元件值,以确保最佳的系统性能与长期可靠性。

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