Power Operational Amplifier by AiT Semiconductor (4 more products)

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AO321VE5R-Z Image

The AO321VE5R-Z  from AiT Semiconductor is a CMOS Rail-to-Rail Operational Amplifier that is ideal for ASIC input or output amplifier, sensor interface, medical communication, smoke detectors, audio output, piezoelectric transducer amplifier, medical instrumentation, and portable system applications. It requires a supply voltage of 2.1 - 5.5 V and an input bias and offset current of 1 pA. This op-amp provides an output voltage of 4.99 V and an output current of 84 mA. It delivers a large signal voltage gain of 80 dB and has a common mode rejection ratio (CMRR) of 70 dB. This op-amp boasts a high gain-bandwidth product of 1 MHz, ensuring exceptional signal amplification capabilities. It offers energy-efficient performance with a low quiescent current of 40 μA (per amplifier) at 5 V.  

This op-amp provides versatility with a rail-to-rail output swing and a wide input common mode voltage range, making it ideal for a range of applications. It thrives in diverse environments and applications, and operates over a specified temperature range from -40°C to +125°C. This RoHS-compliant op-amp is available in a surface-mount package that measures 2.20 x 2.45 x 1.10 mm.

Product Specifications

Product Details

  • Part Number
  • Manufacturer
    AiT Semiconductor
  • Description
    80 dB Rail-to-Rail CMOS Operational Amplifier for Medical Applications


  • Type
    Low Noise Op Amp
  • Supply Voltage
    2.1 to 5.5 V
  • Input Bias Current
    1 pA
  • Quiescent Current
    40 µA
  • Input Offset Current
    1 pA
  • Output Voltage
    4.99 V
  • Output Current
    84 mA
  • Open Loop Gain
    80 dB
  • Gain Bandwidth
    1 MHz
  • CMRR
    70 dB
  • Operating Temperature
    -40 to 125 Degree C
  • RoHS Compliance
  • Industry
  • Dimension
    2.20 x 2.45 x 1.10 mm
  • Application
    ASIC input or output amplifier, Sensor Interface, Medical Communication, Smoke Detectors, Audio Output, Piezoelectric Transducer Amplifier, Medical Instrumentation, and Portable System Applications

Technical Documents