HX711
HX 711 Module
- Differential input voltage: ±40mV (Full-scale differential input voltage is ± 40mV)
- Data accuracy: 24 bit (24 bit A / D converter chip.)
- Output Sensitivity: 1.0 ± 0.1 mV / V.
- Refresh frequency: 10/80 Hz
- Operating Voltage: 2.7V to 5VDC
- Operating current: <10 mA
- Recommended excitation voltage: 5-10V.
- Two selectable differential input channels.
- On-chip active low noise PGA with a selectable gain of 32, 64, and 128.
- On-chip power supply regulator for load-cell and ADC analogue power supply.
- Selectable 10SPS or 80SPS output data rate.
- 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.
- Simultaneous 50 and 60Hz supply rejection.
- Dimension: 24x16mm
HX711–24 Bit Analog to Digital Converter (ADC)
- It is an ADC converter with two differential input channels
- An active-low noise PGA is integrated inside the chip which provides the gain of 32, 64 and 128
- It has a power-on-reset capability which simplifies digital interface initialization.
- All controls to the IC are made through the pins. Programming is not needed.
- You can select a data rate of 10SPS or 80SPS at the output.
- Provides simultaneous supply rejection of 50Hz and 60Hz supply.
- Built-in analog power supply regulator
- The voltage supply range is from 2.6V to 5.5V
- The temperature range is from -40 °C to +85℃