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MICROCHIP MCP3202T-CI/SN MCP3202T
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MICROCHIP MCP3202T-CI / SN
- Type
- MICROCHIP
- Minimum package
- 3300 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- MCP3202T-CI/SN
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- ADC IC
- Electronic Component
- 0.28g
- ADC
- SAR
- Electronic Component
- 1
- Channel Count
- 2
- Sampling
- 100kHz
- Features
- Multiplexer
- Variable Gain
- Electronic Component
- Electronic Component
- BM0264555420
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.7V~5.5V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MCP3202T-CI/SN 产品概述
一、产品简介
MCP3202T-CI/SN 是 MICROCHIP（美国微芯）推出的一款高性价比、低功耗的 12 位逐次逼近寄存器(SAR)模数转换器。器件提供两个模拟输入通道，最高采样率可达 100 kHz，工作电压范围 2.7V 至 5.5V，工作温度范围 -40℃ 至 +85℃，封装为 8-SOIC，适合多种嵌入式与工业测量应用。
二、主要规格亮点
- 分辨率：12 位，量化步长细致，适合中高精度测量。
- 采样率：最大 100 kSPS，可满足绝大多数实时信号采集需求。
- 通道数：2 个模拟输入，支持单端或差分测量方式。
- 接口类型：标准 SPI 串行接口，简洁易用，便于与 MCU 或 DSP 快速对接。
- 工作电压：2.7V ~ 5.5V，兼容 3.3V 与 5V 系统。
- 积分非线性(INL)：典型 1 LSB，保持良好的线性精度。
- 工作温度：-40℃ ~ +85℃，适用于工业级应用。
- 封装：8-SOIC，利于自动贴装与空间受限的系统设计。
三、功能与接口要点
MCP3202 基于 SAR 架构，内部集成采样保持电路和参考通道，通常以 VDD 或外部 VREF 作为参考电压，输入量程可覆盖 0 至 VREF（单端模式）或 ±VREF（差分模式）。通过 SPI 串行时序读取 12 位转换结果，硬件接口简单、占用管脚少，适合资源受限的控制器系统。
四、典型应用场景
- 工业数据采集与过程控制
- 传感器信号采集（温度、压力、湿度等）
- 仪器仪表与便携测量设备
- 电池与电源监控
- 嵌入式系统中的模拟量接口扩展
五、设计建议与注意事项
- 电源与参考应采用良好去耦，近端放置 0.1µF 陶瓷电容以抑制噪声。
- 模拟输入推荐低源阻，以保证采样电容充电时间充足，必要时加入缓冲放大器。
- PCB 布局时模拟与数字地分离并在电源端汇流，减少数字切换对模拟部分的干扰。
- 若追求最佳线性度与噪声性能，建议使用稳定的外部参考源替代 VDD 作为 VREF。
六、封装与采购信息
MCP3202T-CI/SN 采用 8-SOIC 封装，适合工业和商业级量产。订购时请参考 MICROCHIP 的数据手册与封装图，确认管脚排列与焊接规范以确保可靠性。
七、总结
MCP3202T-CI/SN 凭借 12 位分辨率、100 kSPS 的采样能力、双通道设计以及宽电源范围，是一款在成本、性能和易用性上平衡良好的模数转换器，尤其适合对空间与资源有要求的嵌入式测量与控制系统。在实际设计中，合理的电源、参考与 PCB 布局可充分发挥其线性度与噪声性能。若需更详细参数与时序信息，请参考 MICROCHIP 官方数据手册。
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