The actual product shipped comes equipped with jumper caps.
If using a 5V power supply, you must install the two jumper caps to bridge the connections.
If using a 7–24V power supply, do not touch the jumper caps; installing them will result in burning out the circuit board.
AD620 Signal Adjustable Amplifier / DC Microvolt / Millivolt Voltage Amplifier
The AD620 Signal Adjustable Amplifier is a precision instrumentation amplifier module designed to amplify low-level DC signals in the microvolt and millivolt range. It uses the AD620 instrumentation amplifier IC with adjustable gain control for accurate and stable signal conditioning. This module is ideal for amplifying sensor outputs, biomedical signals, strain gauges, and other low voltage sources before analog to digital conversion.
This amplifier module is suitable for Arduino, PIC, AVR, and other microcontroller systems that require precision amplification of small differential signals for measurement and data acquisition.
KEY FEATURES
- AD620 instrumentation amplifier
- Adjustable gain control
- Amplifies microvolt and millivolt signals
- High input impedance
- Low noise performance
- Suitable for precision signal conditioning
- Compact PCB module
SPECIFICATIONS
- Amplifier IC AD620
- Gain Adjustable via external resistor
- Input Signal Type Differential microvolt / millivolt
- Operating Voltage 3.3V to 12V typical
- Bandwidth Suitable for low frequency signals
- Noise Low noise design
- Output Signal Amplified voltage
INTERFACES
- Vin+ Positive input signal
- Vin- Negative input signal
- Gain Resistor Pads Sets amplifier gain
- Vref Reference voltage input
- Vout Amplified output signal
- Power Input Supply voltage (3.3V to 12V)
- GND Ground reference
