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MAXLINEAR SP3222EEY-L/TR SP3222EEY
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- MAXLINEAR SP3222EEY-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
- SP3222EEY-L/TR
- Electronic Component
- 1
- Package
- TSSOP-20
- Type
- Transceiver
- Electronic Component
- RS232IC
- Electronic Component
- 0.268g
- Electronic Component
- 1
- Electronic Component
- BM0000515023
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3V~5.5V
- Receiver
- 2
- Data
- 235Kbps
- Static Current
- 1mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SP3222EEY-L/TR 产品概述
一、概述
SP3222EEY-L/TR 是 MAXLINEAR（迈凌）出品的一款集成电荷泵的全功能收发器，提供2路驱动器和2路接收器（2/2）。器件工作电压范围宽（3.0V～5.5V），内置电荷泵可在无需外部负电源的情况下产生接口所需电压，从而简化系统电源设计。该器件适用于对抗静电和电磁干扰能力要求较高的串行通信场合，封装为 TSSOP-20，便于在中小尺寸系统中部署。
二、主要特性
- 工作温度范围：-40℃ ～ +85℃，适合工业级应用环境。
- 数据速率：最高可支持235 kbps，满足常见串行链路（如UART/RS‑232类）的大多数应用。
- 电荷泵：内置，支持在单电源下生成所需高/低电平，省去外部负电源设计。
- 静态电流（Quiescent）：约1 mA，适合低功耗或电池供电系统。
- 通道数：2个驱动器、2个接收器，实现全双工双通道通信。
- 工作电压：3.0V ～ 5.5V，兼容3.3V与5V系统。
- 静电保护：±15 kV（高抗静电能力），增强接口可靠性。
- 类型：收发器（Transceiver Full 2/2）。
- 封装：TSSOP-20，体积紧凑、便于自动化贴装。
三、典型应用场景
- 嵌入式设备的串口扩展与电平转换（与微控制器UART直连）。
- 工业控制器、仪器设备的本地串口通信。
- POS机、门禁、仪表等需可靠RS‑232/TTL电平接口的终端设备。
- 低功耗、便携式设备中的有线串行链路。
四、设计注意事项与布局建议
- 电容布置：电荷泵外部电容（若需）与VCC去耦电容应靠近器件电源脚布局，以保证泵的稳定与抑制噪声。
- 去耦与电源滤波：推荐在VCC近端放置0.1 μF陶瓷去耦电容，配合必要的滤波元件以减少干扰。
- PCB走线：驱动/接收信号线尽量短且远离高频噪声源，差分敏感线保持良好走线原则。
- ESD与接地：器件自带高达±15 kV的静电防护，但系统端口仍建议加装浪涌保护或共模抑制以提高整机抗干扰能力。
- 功耗管理：静态电流低（约1 mA），适合休眠/低功耗场景；系统需根据工作模式评估总功耗。
五、封装与可靠性
TSSOP-20 封装适合空间受限但需多通道的应用，便于自动贴片并保持良好热性能。器件满足工业温度范围，且具有高等级静电防护，适用于恶劣电磁与静电环境下的长期可靠运行。
六、选型与替代建议
SP3222EEY-L/TR 适合需要单电源、内置电荷泵并兼顾低静态电流与中速数据率的串行收发应用。替代器件时请关注：驱动/接收通道数、是否内置电荷泵、工作电压范围、静态电流与ESD等级等关键参数，确保在功能和系统级可靠性上匹配或优于原器件。
如需进一步的电气特性曲线、引脚分配图或典型应用框图，可参考厂商完整数据手册以获得详细参数与设计指南。
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