4P pin is not soldered, to facilitate the customer's own choice of welding direction
AD7705 dual 16-bit ADC data acquisition module input gain grammable SPI interface TM7705
S TM32-V5 development board Connection: plugged directly into the interface socket can NRF24L01 .
1,3.3V or 5.0V DC power supply
2, MCU interfaces: SPI
3, the main ADC chip: TM7705 ( Tianwei chip, and AD7705 chip is fully compatible?
4, external LM285-2.5 reference voltage? ?. Part peers using low-end domestic TL-431 is not a number as a reference, temperature stability and accuracy of the differential stage. Please sights.
5, the input circuit with a resistor divider and the R-C filter, enabling customers to change their own gain range
6, the chip with a grammable gain amplifier gain range: 1-128 times
7, chip buffer amplifier with input for direct connection of sensors.
|Cash on Delivery||No|