ICL7650B

斩波自稳零型运算放大器


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说明

Maxim's ICL7650/ICL7653 are chopper-stabilized amplifiers, ideal for low-level signal processing applications. Featuring high performance and versatility, these devices combine low input offset voltage, low input bias current, wide bandwidth, and exceptionally low drift over time and temperature. Low offset is achieved through a nulling scheme that provides continuous error correction. A nulling amplifier alternately nulls itself and the main amplifier. The result is an input offset voltage that is held to a minimum over the entire operating temperature range.

The ICL7650B/ICL7653B are exact replacements for Intersil's ICL7650B/ICL7653B. These devices have a 10µV max offset voltage, a 0.1µV/°C max input offset voltage temperature coefficient, and a 20pA max bias current—all specified over the commercial temperature range.

A 14-pin version is available that can be used with either an internal or external clock. The 14-pin version has an output voltage clamp circuit to minimize overload recovery time.
ICL7650、ICL7650B:典型工作电路 ICL7650、ICL7650B:典型工作电路 放大+

关键特性

  • ICL7650/53 are Improved Second Sources to ICL7650B/53B
  • Lower Supply Current: 2mA
  • Low Offset Voltage: 1µV
  • No Offset Voltage Trimming Needed
  • High-Gain CMRR and PSRR: 120dB min
  • Lower Offset Drift with Time and Temperature
  • Extended Common-Mode Voltage Range
  • Low DC Input Bias Current: 10pA
  • Monolithic, Low-Power CMOS Design

应用

  • 调理放大器
  • 仪表放大器
  • 精密放大器
  • 应变仪
  • 热敏电阻
  • 热电偶
申请可靠性报告: ICL7650B 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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