WMSIC Electronic Components

MICROCHIP MCP6001T-E/LT MCP6001T

ModelMCP6001T-E/LT
PackageSC-70-5
BrandMICROCHIP
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP MCP6001T-E / LT
Type
MICROCHIP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
MCP6001T-E/LT
Electronic Component
1
Package
SC-70-5
Electronic Component
Operational Amplifier
Electronic Component
0.01g
Electronic Component
1
Electronic Component
Output
Features
ESD
Electronic Component
BM0228747507
Operating Temperature
40℃~+125℃
Amplifier
1
Output Current
23mA
(SR)
600V/ms
Power Supply Voltage
1.8V~6V

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

MCP6001T-E/LT 产品概述

MCP6001T-E/LT 是 MICROCHIP(美国微芯)推出的一款单路低功耗、轨到轨输入输出运算放大器,采用小型 SC-70-5 封装,面向电池供电与空间受限的便携式系统与传感器前端。器件在低电流消耗与高输入阻抗之间取得平衡,适合对偏置电流敏感且工作电源受限的应用场景。

一、主要性能要点

  • 单路放大器,SC-70-5(5 引脚)小封装,便于空间受限的 PCB 布局与自动化贴装。
  • 最大电源电压差(VDD–VSS):7 V;推荐单电源工作范围:1.8 V ~ 6 V。
  • 轨到轨输入与轨到轨输出,方便在低电源电压下实现更宽的输入/输出摆幅。
  • 增益带宽积(GBP):1 MHz,适合低频至中频信号处理场合。
  • 压摆率(SR):600 V/ms(即 0.6 V/µs),对缓慢变化或低带宽的信号响应良好。
  • 输入偏置电流(IB):1 pA,输入失调电流(IOS):1 pA,适合高阻抗传感器接口。
  • 输入失调电压(Vos):典型 4.5 mV,温漂(Vos TC)约 2 µV/°C。
  • 噪声密度:28 nV/√Hz @ 1 kHz,噪声性能适中,满足许多模拟前端需求。
  • 共模抑制比(CMRR):76 dB,在常见工况下能有效抑制共模干扰。
  • 静态工作电流(Iq):约 100 µA,适合低功耗但非极低功耗应用。
  • 输出电流能力:约 23 mA,可驱动小负载或作为缓冲级使用。
  • 工作温度范围:-40 ℃ ~ +125 ℃,满足工业级环境要求。

二、适用场景

  • 便携式和电池供电设备:在 1.8–6 V 单电源下稳定工作,低静态电流有助于延长电池寿命。
  • 传感器前端放大:超低输入偏置电流(1 pA)适合与高阻抗传感器(例如电化学传感器、电容传感器)直接接口。
  • 数据采集缓冲与驱动:轨到轨输出可充分利用 ADC 输入范围,提高系统动态范围。
  • 有源滤波器、积分器和低速比较电路:1 MHz GBP 与 0.6 V/µs 的 SR 对低频滤波器与信号处理足够。
  • 工业环境下的模拟接口:-40 ℃ 至 +125 ℃ 的温度等级适应多种恶劣环境。

三、设计注意事项

  • 带宽与环路增益:1 MHz 的 GBP 表明在较高闭环增益下可用带宽会迅速降低;在需要较高带宽或快速边沿响应的应用中,应评估闭环带宽与压摆率是否满足要求。
  • 输出驱动与负载:器件能提供约 23 mA 的输出电流,但在驱动低阻抗负载或大电容负载时可能出现幅度或稳定性限制,建议在驱动较大负载时增加缓冲或输出级。
  • 轨到轨特性:虽然支持轨到轨输入与输出,但在接近电源轨时的线性度和驱动能力可能受限,需在电路中留有裕量,尤其用于精密测量。
  • 噪声与精度:输入失调电压约 4.5 mV,噪声密度为 28 nV/√Hz;对极高精度低噪声测量(如微伏级信号)需配合差分结构、滤波或后级校准。
  • 温度漂移:Vos 温漂为 2 µV/℃,长期或宽温度范围应用中漂移对测量精度影响较小,但仍建议进行系统级温度补偿或校准。

四、封装与引脚(概述)

MCP6001T-E/LT 采用 SC-70-5 五引脚小型封装,常见引脚分配有:VDD(电源正)、VSS(电源负/地)、非反相输入(IN+)、反相输入(IN-)、输出(OUT)。此类封装利于占板面积极小的应用,焊接与自动化贴装成熟可靠。在布局上应注意电源滤波与接地回路,靠近放大器放置去耦电容以抑制电源噪声。

五、布局与使用建议

  • 在 VDD 与 VSS 之间放置 0.1 µF 陶瓷去耦电容,尽量靠近封装电源引脚以保证稳定性。
  • 输入端采用适当的抗干扰措施(如 RC 滤波、屏蔽或提供输入偏置路径)以充分发挥 1 pA 级偏置电流的优势。
  • 对输出驱动电容性负载时,考虑串联小电阻以防振荡。
  • 在对温漂或失调敏感的测量中,预留校准或调零功能以提高整体系统精度。

六、总结

MCP6001T-E/LT 在低功耗、超低输入偏置电流与轨到轨输入输出之间实现良好平衡,适用于电池供电仪器、传感器接口和一般信号调理场合。设计时需结合其 1 MHz GBP 与 0.6 V/µs 压摆率的特性,合理选择闭环增益与负载条件,利用其小封装优势实现高密度、低功耗的模拟前端设计。若需更高带宽或更低噪声的性能,可在系统级评估中考虑串联后级或替代器件。

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