AD620 Microvolt/Millivolt Voltage Amplifier Module


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SKU: 835780
  1. Operating Voltage: 3- 12 VDC
  2. Amplification: Adjustable 1.5~1000 times
  3. Signal Input Voltage Range: 100µV~300mV
  4. Signal Output Range: 100µV~300mV


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Brand: Generic
Category: Buck Boost Voltage Regulators

This is a High Precision Signal Amplifier Board/Voltage Amplifier Module based upon AD620 Instrumentation amplifier IC, Input voltage range: DC 3~12V, Amplification: adjustable 1.5~1000 times, Adjustable zero to improve accuracy. Can be used for AC, DC signal amplification.

1: Wide input range – This product adopts AD620 to amplify and can amplify microvolts and millivolts. Compared withLM358 on the market, it has high amplification precision and good linearity. The maximum voltage output range is ±10V.

2: Magnification –  The potentiometer is used to amplify the input signal. The magnification is up to 1000 times and can be adjusted only by a potentiometer.

3: Adjustable zero-point – Adjust the zero point by zeroing potentiometer, improve the accuracy, and there will be no zero drift phenomenon to meet customer needs.

4: The negative pressure output  – This module uses 7660A negative voltage chip output negative pressure ( -Vin ), which can be supplied to customers to drive other dual power loads.


  1. The AD620 amplification can amplify microvolt, millivolt, offers higher amplification precision than LM358, the max voltage output range is ± 10V.
  2. It uses a potentiometer to amplify the input signal, max amplification can be 1000 times, can be adjusted by the potentiometer.
  3. It can not only improve the accuracy but also can avoid the zero drift phenomenon by using the zero potentiometers to adjust the zero.
  4. The module adopts a 7660A negative voltage chip to output negative voltage(-Vin), which can be used to drive other dual power loads

Package Includes:

1 x AD620 Microvolt/Millivolt Voltage Amplifier Module

2 x 4 Pin Male Header

SKU: 835780 Category:
Operating Voltage (VDC):

3 ~ 12


Adjustable 1.5~1000 times

Signal Input Voltage Range


Signal Output Range

± (Vin-2V)

Offset Voltage


Input Bias Current

1.0nA (Max)

Common Mode Rejection Ratio


Offset Voltage Drift


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.005 kg
Shipping Dimensions 5 × 7 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Questions and answers of the customers

    what is the bandwidth ?
  1. 0 votes
    Q what is the bandwidth ? answer now
    Asked by Hasan Junaid on August 10, 2023 9:00 pm
    A 120kHz of bandwidth. thank you for asking your dou... Read more
  2. What is the operating frequency range when input i... Read more
  3. 0 votes
    Q What is the operating frequency range when input is an AC signal? answer now
    Asked by dwaipayandeb on April 22, 2023 8:13 pm
    A The AD620 Microvolt/Millivolt Voltage Amplifier Mo... Read more
  4. Can this be used to measure DC current across a 75... Read more
  5. 0 votes
    Q Can this be used to measure DC current across a 75mV DC shunt? answer now
    Asked by Rajkumar Vinod kanna on September 20, 2021 5:14 pm
    A No
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Country Of Origin: China