WMSIC Electronic Components

RENESAS ICL7107CPLZ

ModelICL7107CPLZ
Package40-DIP
BrandRENESAS
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS ICL7107CPLZ
Type
RENESAS
Minimum package
99 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
ICL7107CPLZ
Electronic Component
1
Package
40-DIP
Electronic Component
ADC / DAC - Special Purpose
Electronic Component
12.138g
Electronic Component
1
Features
Built-in Reference; Low Noise Front End
Electronic Component
BM0257645942
Operating Temperature
0℃~+70℃
Operating Voltage
6V
Resolution (bit)
3.5
Reference Voltage
Built-in
Electronic Component
Electronic Component
Electronic Component
99

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

ICL7107CPLZ 产品概述

一、核心特性

ICL7107CPLZ 是一款面向面板数字电压/电流显示的集成显示驱动器,具有以下核心参数:

  • 分辨率:3.5 位(可实现 ±1999 显示量程)
  • 工作电压:6V 单电源工作
  • 工作温度:0℃ ~ +70℃
  • 基准电压源:支持外置或内置基准
  • 内置基准温漂:1 ppm/℃
  • 封装:40-DIP,品牌:RENESAS(瑞萨)

二、功能说明

该器件集成了双积分(dual-slope)模数转换器和七段数码管驱动电路,能够直接驱动多位 7 段显示器(含小数点和符号位),无需外部微控制器处理显示逻辑。双积分 ADC 结构本征具备良好的抗干扰性能和线性度,适合低速、对稳定性要求高的仪表类测量。

三、典型应用

  • 手持或台式数字万用表、数字电压表
  • 面板式电压/电流显示模块
  • 电池/电源监测仪表
  • 学习与教学用电子实验平台

四、设计要点与建议

  1. 基准电压:内置基准温漂低(1 ppm/℃),适合需要长期稳定读数的场合;需更高精度时可使用外置高稳定度参考源。
  2. 电源与退耦:6V 单电源供电时应在电源引脚做充分退耦(电解+陶瓷),减小纹波对测量精度的影响。
  3. 前端输入保护:对于被测高压或可能的浪涌,建议加串联限流电阻与钳位二极管或缓冲放大器,提高输入阻抗并保护芯片。
  4. 布局与接地:模拟、数字和显示驱动电流的返回路径应分离处理,尽量使用良好接地平面以降低噪声耦合。
  5. 显示驱动:根据LED或LCD显示器类型调整驱动电流和限流电阻,避免过大显示电流引起测量误差或器件发热。

五、封装与环境适配

器件以 40 引脚 DIP 封装提供,便于在传统面包板或插针式电路板中使用。典型工作温度范围为 0℃ 至 +70℃,适合普通室内工业和消费类产品环境;如需扩展温度范围请参考厂商完整规格书。

六、小结

ICL7107CPLZ 以其集成化的 ADC 与显示驱动能力、可选择的高稳定度基准及便于快速实现的 40-DIP 封装,为中低速、高稳定性的面板显示应用提供了简洁可靠的方案。在设计中注意基准选择、电源退耦与前端保护,可以显著提升最终测量系统的稳定性与抗干扰能力。若有更具体的测量方案或电路接法需求,可提供详细参数以便进一步优化设计建议。

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