12V Solenoid Valve 1/4″ NPT — A 2-way normally closed brass electric valve with a 12V DC coil, rated for 0.02–0.8 MPa working pressure and up to 200,000 cycles. Ideal for Arduino, Raspberry Pi, and ESP32 automation projects including smart irrigation, pneumatic control, and fluid dispensing. Requires a relay or MOSFET driver for safe microcontroller interfacing.

AD620 Instrumentation Amplifier Module – Precision Microvolt/Millivolt Amplifier

Name: AD620 Instrumentation Amplifier Module - Precision Microvolt/Millivolt Amplifier - robboquad
SKU: 2132
Price: 359.00 INR
Availability: InStock

SKU 2132 Category Sensors & Modules

₹359.00 (Excl GST)

excl. GST*

Bulk deal

Quantity	Discount	Discounted price
10 - 29	2.5%	₹350.03
30 - 69	5%	₹341.05
70 - 100	7.5%	₹332.08

Shop By Category

AD620 Instrumentation Amplifier Module – Precision Microvolt/Millivolt Amplifier

The AD620 Instrumentation Amplifier Module is a low-cost, high-accuracy signal amplifier designed to boost extremely small differential signals from sensors such as strain gauges, load cells, thermocouples, and bridge circuits. Built around the Analog Devices AD620 monolithic instrumentation amplifier IC, it offers a wide adjustable gain range, high common-mode rejection, and low noise performance, making it ideal for precision data acquisition and biomedical signal amplification applications.

Key Features

Adjustable gain from 1 to 1000x via onboard potentiometer
Gain also settable up to 10,000x using a single external resistor
High common-mode rejection ratio (CMRR) greater than 100dB
Low input offset voltage and low offset drift
Low noise performance for clean signal amplification
Wide operating voltage range for flexible power sourcing
Low power consumption suitable for battery-operated devices
Amplifies both AC and DC input signals
Compact module design for easy breadboard and PCB integration
Easy interfacing with Arduino, ESP32, and other microcontrollers

Technical Specifications

Parameter	Specification
Amplifier IC	AD620
Amplifier Type	Instrumentation Amplifier
Operating Voltage	3V to 12V DC (module), plus or minus 2.3V to plus or minus 18V (bare IC)
Gain Range	1.5x to 1000x (onboard potentiometer), up to 10,000x with external resistor
Gain Formula	G = 1 + (49.4 kilo-ohm / RG)
Input Signal Range	100uV to 300mV
Bandwidth (Gain = 100)	120kHz
Input Offset Voltage	30uV typical, 125uV max
Input Bias Current	0.5nA typical, 2.0nA max
Common-Mode Rejection Ratio	100dB minimum (Gain = 10)
Supply Current	1.3mA max
Settling Time	15 microseconds to 0.01 percent
Package Type	8-lead SOIC / DIP (module PCB mounted)
Module Dimensions	32mm x 22mm

Applications

Weigh Scales and Load Cell Signal Amplification
Medical ECG, EEG, and EMG Signal Acquisition
Strain Gauge and Pressure Transducer Interfaces
Precision Data Acquisition Systems
Thermocouple Signal Conditioning
Industrial Process Control Sensing
Battery-Operated and Portable Instrumentation

Important Notes

Use the gain formula G = 1 + (49.4 kilo-ohm / RG) to calculate the correct gain resistor value for a specific application.
Ensure input signal levels stay within the supported microvolt to millivolt range for accurate amplification.
Maintain proper supply voltage levels to avoid signal clipping or distortion at higher gain settings.
Avoid exposing the module to excessive electrical noise sources for best signal integrity.
This module is not intended for high-frequency or RF signal amplification applications.
Handle with care, as the onboard gain-setting potentiometer is a precision component.