Hx711 Module/Weighing Sensor 24-Bit Precision Ad Module Pressure Sensor

(Description in Chinese and English for Details)

Description in Chinese:

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Single Chip Microcomputer Weighing Ad Module-Hx711

This Module Adopts 24-Bit High-Precision A/D Converter Chip Hx711, Which Is Specially Designed for High-Precision Electronic Scales. It Has Two Analog Channel Inputs and Is Internally Integrated with 128 Times Gain Programmable Amplifier. The Input Circuit Can Be Configured as an Electric Bridge (Such as Pressure and Weighing) Sensor Mode That Provides Bridge Pressure, and Is an Ideal High-Precision and Low-Cost Sampling Front-End Module;

The following Figure Shows the Typical Application Circuit of Hx711 Weighing:

Description in English:

• This module uses 24 high precision A/D converter chip hx711. It is a specially designed for the high precision electronic scale design, with two analog input channel, the internal integration of 128 times the programmable gain amplifier. Theinput circuit can be configured to provide a bridge type pressure bridge (such as pressure, weighing sensor mode), is of high precision, low cost is an ideal sampling front-end module.

• Features:
  
  *Two selectable differential input channels
  
  *On-chip active low noise PGA with selectable gain of 32, 64 and 128
  
  *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
  
  *Simple digital control and serial interface: pin-driven controls, no programming needed
  
  *Selectable 10SPS or 80SPS output data rate
  
  *Simultaneous 50 and 60Hz supply rejection
  
  *Current consumption including on-chip analog power supply regulator: normal operation< 1.5mA, power down < 1uA
  
  *Operation supply voltage range: 2.6 ~ 5.5V
  
  *Operation temperature range: -40 ~ 85°
  
  *This module uses 24 high-precision A / D converter chip hx711, is designed for high-precision electronic scale and design, with two analog channel input, the internal integration of a gain programmable amplifier 128. Input circuit can be configured to provide an electrical bridge bridge voltage (such as pressure, weight) sensor model is an ideal high-precision, low-cost sampling front-end module.

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