โมดูลขยายสัญญาณ load cell HX711 24-Bit Analog-to-Digital Converter (ADC) for Weigh Scales

 

This module uses 24 high-precision A / D converter. This chip is designed for high-precision electronic scale and design, has two analog input channels, programmable gain of 128 integrated amplifier. The input circuit can be configured to provide a bridge voltage electrical bridge (such as pressure, load) sensor model is an ideal high-precision, low-cost sampling front-end module.

 

Two selectable differential input channels

On-chip power supply regulator for load-cell and ADC analog power supply

On-chip oscillator requiring no external component with optional external crystal

On-chip power-on-reset

Data Accuracy: 24 bit (24 bit analog-to-digital converter chip)

Refresh Frequency: 10/80 Hz

Operation supply voltage range: 4.8 ~ 5.5V

Operation supply Current: 1.6mA

Operation temperature range: -20 ~ +85℃