WMSIC Electronic Components

ON NCS20071SN2T1G

ModelNCS20071SN2T1G
PackageTSOP-5-1.5mm
BrandON
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
ON NCS20071SN2T1G
Type
ON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
NCS20071SN2T1G
Electronic Component
1
Package
TSOP-5-1.5mm
Electronic Component
Operational Amplifier
Electronic Component
0.044g
Electronic Component
1
Electronic Component
Output
Features
ESD
Electronic Component
BM0209595926
Operating Temperature
40℃~+125℃
Amplifier
1
Output Current
50mA
(SR)
2.8V/us

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

NCS20071SN2T1G 产品概述

一、产品简介

NCS20071SN2T1G 是 ON Semiconductor(安森美)推出的一款单路精密运算放大器,适用于对低噪声、高共模抑制比和轨到轨输出有较高要求的模拟前端。器件在功耗与驱动能力之间取得平衡,具有宽工作电源范围和工业级温度范围,适合便携及工业应用场景。

二、主要性能亮点

  • 共模抑制比 (CMRR):115 dB,保证差分输入下的高精度共模抑制。
  • 噪声密度 (eN):30 nV/√Hz @ 1 kHz,低噪声特性适合传感器前端与低噪声放大。
  • 轨到轨输出:输出可接近电源轨,便于在低电压供电条件下获得更大动态范围。
  • 最大电源电压差:VDD–VSS 可达 36 V,支持宽电源应用环境。
  • 输入失调电压 (Vos):典型 4.5 mV,输入失调电压温漂仅 2 μV/°C,利于长期稳定测量。
  • 输入偏置电流 (Ib):200 pA,输入失衡极小,适合高阻抗传感器接口;输入失调电流 (Ios):2 pA。
  • 增益带宽积 (GBP):3 MHz,适合中低频精密放大与滤波器设计。
  • 压摆率 (SR):2.8 V/μs,能满足中速信号的快速响应需求。
  • 静态电流 (Iq):405 μA,功耗低,适合电池供电设备。
  • 输出驱动能力:最高 50 mA,可直接驱动中等负载。
  • 工作温度范围:-40 ℃ 至 +125 ℃,满足苛刻工业环境。
  • 封装:TSOP-5-1.5mm,适合空间受限的 PCB 布局。

三、典型应用场景

  • 精密传感器前端(温度、压力、加速度等)
  • 低噪声放大器与缓冲器(前置放大、仪表放大器输入级)
  • 便携式电池设备与手持测试仪器
  • 主动滤波器与信号调理电路(低频带宽需求)
  • 工业控制与数据采集系统,要求宽温度与高精度的场合

四、设计建议与注意事项

  • 电源去耦:为保证低噪声和稳定性,建议在靠近芯片的 VDD/VSS 引脚放置 0.1 μF 陶瓷电容和适当的大电容。
  • 输入保护:虽有低偏置电流与高 CMRR,仍建议在高源阻抗或存在较大输入电压时采取限流/防静电措施。
  • 布局优化:为实现 30 nV/√Hz 的低噪声性能,应减少输入引线长度,使用星形地回路以降低干扰耦合。
  • 负载驱动:当需要连续驱动接近 50 mA 的负载时,注意功耗与热耗散,必要时加热沉或扩大铜箔散热路径。
  • 稳定性:典型增益下该放大器表现良好,但在驱动容性负载或构成大闭环增益时应验证相位裕量并添加补偿网络(如并联电阻)以确保稳定。

五、封装与订购信息

  • 封装类型:TSOP-5-1.5mm(小型塑封,适合表面贴装)
  • 器件型号:NCS20071SN2T1G,品牌:ON(安森美)
  • 推荐在采购时注意库存批次与生产信息,并参考官方数据手册获取引脚和电气特性详细曲线。

总结:NCS20071SN2T1G 将低噪声、高 CMRR 与轨到轨输出结合在低功耗、宽电源与工业温度等级的封装中,适合需要精度与稳定性的多种模拟前端设计。欲获取完整电气参数、引脚配置及典型应用电路,请参阅官方数据手册。

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