Microvolt Voltage Amplifier Signal Amplifier AD623/AD620 Instrumentation Amplifier Module

The Microvolt Voltage Amplifier Signal Amplifier AD623/AD620 Instrumentation Amplifier Module is a precision gain amplifier board designed to amplify very small differential signals such as microvolt level sensor outputs. It uses the AD623 or AD620 instrumentation amplifier IC to provide high input impedance, low noise amplification, and adjustable gain. This module is ideal for signal conditioning in data acquisition, biomedical sensing, strain gauge measurement, and precision analog projects.

This amplifier module is suitable for Arduino, PIC, AVR, and other microcontroller based systems requiring accurate amplification of low level signals before analog to digital conversion.

KEY FEATURES

• AD623/AD620 instrumentation amplifier
• Amplifies microvolt level signals
• High input impedance
• Low noise performance
• Adjustable gain via external resistor
• Suitable for precision sensor signal conditioning
• Compact breakout module

SPECIFICATIONS

• Amplifier IC AD623 or AD620
• Gain Range Adjustable via external resistor
• Input Type Differential signal inputs
• Operating Voltage 3.3V to 12V typical
• Bandwidth Suitable for low frequency signals
• Noise Low noise design
• Module Format Compact PCB

INTERFACES

• Vin+ Positive differential input
• Vin- Negative differential input
• Vref Reference voltage input
• Vout Amplified output signal
• Gain Resistor Connection Sets amplifier gain
• Power Input Module supply voltage (3.3V to 12V)
• Ground Common reference connection