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ADI/LINEAR MAX708TESA+T MAX708TESA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR MAX708TESA+T
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- MAX708TESA+T
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Supervisorand positions IC
- Electronic Component
- 0.274g
- Electronic Component
- 1
- Features
- positions
- Electronic Component
- BM0258831520
- Reset
- 200ms
- Operating Temperature
- 40℃~+85℃@(TA)
- Operating Voltage
- 2.7V~5.5V
- ICType
- Voltage Supervisor
- Output Type
- Electronic Component
- Voltage
- 3.08V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MAX708TESA+T 产品概述
一、产品简介
MAX708TESA+T 是由 ADI（原 Maxim/Linear）推出的一款经济型电压监控器，专用于 +3V 系统的电源监督与复位管理。器件工作电压范围为 2.7V 至 5.5V，针对 3.08V 阈值设计，提供低电平有效的复位信号与手动复位功能，适合微控制器、电源管理及嵌入式系统的上电复位与电源掉电保护。
二、主要特性
- 监控点：单路电压监控（1 个受监控电压）。
- 阈值电压：3.08V（检测阈值，具体容差参照数据手册）。
- 输出类型：推挽输出（push-pull），可驱动外部负载并提供清晰的逻辑电平。
- 复位有效电平：低电平有效（当监测到欠压或手动触发时输出低电平复位）。
- 手动复位：具备手动复位（MR）引脚，便于外部按钮或逻辑触发。
- 复位超时：200 ms 典型复位保持时间，保证系统稳定启动。
- 没有看门狗定时器功能（watchdog：无）。
- 工作电流（静态）：典型 Iq = 50 μA，适合低功耗应用。
- 工作温度：-40℃ 至 +85℃（Ta）。
- 封装：SOP-8 符合常用 PCB 布局与组装工艺。
三、工作原理与典型应用
MAX708TESA+T 在上电或电压下降时监测 VCC，当检测到电压低于 3.08V 阈值时，器件将输出低电平复位信号，维持约 200 ms，直到 VCC 回到安全水平并通过内部延时后释放复位。手动复位引脚允许外部按键或逻辑信号主动触发相同的复位序列。典型应用包括：
- 单片机/微控制器系统上电复位与掉电保护；
- 电池供电设备的欠压检测；
- 工业控制、消费电子与通信设备的可靠启动管理。
四、封装与引脚要点
器件采用 SOP-8 封装，适配常见的自动化贴片流程。关键引脚包括电源引脚（VCC）、地（GND）、复位输出（RST，推挽）与手动复位（MR）。实际引脚排列及功能请以厂商数据手册为准，在设计时应关注复位极性与时序要求。
五、设计注意事项
- 为保证检测精度与抗干扰能力，VCC 侧建议靠近芯片放置去耦电容（如 0.1 μF 且并联 1 μF）；
- MR 引脚通常为低电平有效，外接按钮时应加上上拉电阻以避免浮动；
- 推挽输出能直接驱动常见逻辑电平输入，但若驱动较大电流负载请确认最大输出能力并加缓冲；
- 在高噪声环境建议做 PCB 布线隔离并使用地平面以降低误触发概率。
六、采购与替代建议
MAX708TESA+T 属于低成本、低功耗的电压监控器，适合大批量应用。购买时请确认封装与温度等级，并参考 ADI（原 Linear/Maxim）最新数据手册。若需不同阈值或看门狗功能，可考虑同家族或其它厂商提供的多个型号以满足系统需求。
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