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MICROCHIP MCP4017T-103E/LTY MCP4017T
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
15
specifications
Core information
- Product name
- MICROCHIP MCP4017T-103E / LTY
- Type
- MICROCHIP
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- MCP4017T-103E/LTY
- Electronic Component
- 1
- Package
- SC-70-6
- Electronic Component
- positions
- Electronic Component
- 1g
- Electronic Component
- 1
- Features
- positions
- Electronic Component
- BM0265107818
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MCP4017T-103E/LTY 产品概述
一、产品简介
MCP4017T-103E/LTY 是 Microchip（美国微芯）推出的一款小封装数字电位器，标称端到端电阻为 10 kΩ，具有 128 个可编程档位（128 TAP），相当于 7 位分辨率。器件采用 SC-70-6（亦称 SC-88 或 SOT-23-6 小型封装）封装，适合空间受限的便携与嵌入式应用。该器件具备上电复位（Power‑On Reset）功能，上电后可进入确定的初始状态，便于系统快速复位与初始化。
二、主要特性
- 端到端电阻：10 kΩ（RAB = 10 kΩ）。
- 可编程档位：128 TAP，分辨率为 7 位；单步阻值约为 RAB/(128-1) ≈ 78.7 Ω。
- 上电复位（POR）：保证上电时器件进入可预测状态，具体初始位置请参考官方 Datasheet。
- 超小型 SC-70-6 封装，便于高密度 PCB 布局。
- 数字化控制，替代机械可变电阻，提升可靠性与重复性（具体控制接口与指令集请参照厂商资料）。
三、电气与使用要点
- 单步电阻计算：当端到端为 10 kΩ 且有 128 个档位时，相邻档位阻差约 78.7 Ω，适用于精细的电阻调节与模拟信号微调。
- 使用限制：数字电位器通常对模拟信号幅值、电源范围与容性负载敏感，请遵循 Datasheet 限定的最大电压、电流和温度范围。
- 上电与寄存器：上电复位功能避免上电漂移，但是否为非易失性存储（上电保留最后位置）或易失性需核对资料，以决定是否需要上电后重新配置。
四、典型应用
- 音频音量与增益微调、数字音量控制。
- 传感器校准、增益和偏置调整。
- 可编程滤波器、时间常数微调。
- 亮度/对比度或功率设定等在体积受限产品中的精细调节。
五、封装与 PCB 设计建议
- SC-70-6 为小型 SMD 封装，焊盘应按厂商推荐封装尺寸设计，便于回流焊可靠安装。
- 电源旁放置适当去耦电容，减少噪声与瞬态干扰。
- 模拟引脚走线尽量短且远离高速数字线，必要时加入地线隔离或去耦滤波。
- 注意 ESD 保护与输入电压范围，避免将模拟端施加超过 VDD/VSS 的电压。
六、选型与采购提示
- 型号后缀（如 E、LTY 等）通常与无铅/包装形式（卷带）有关，采购时请核实具体含义与库存包装尺寸。
- 评估是否需要非易失性存储、工作温度范围与端对端阻值公差等参数，确保满足系统长期可靠性要求。
- 最终设计前建议查阅 Microchip 官方 Datasheet，获取详细引脚定义、控制接口、电气参数与典型应用电路。
总结：MCP4017T-103E/LTY 以 10 kΩ、128 档、SC-70-6 小封装为特点，适合对体积、精度和可靠性有要求的模拟调节场景。选型与使用时务必参考官方 Datasheet 以确保接口、上电行为和电气极限满足设计需求。
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