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Your cart is empty. Features:
1. 3.3V or 5.0V DC power supply
2. MCU interface: SPI
3. Main ADC chip: TM7705
4. External LM285-2.5 reference voltage
5. Input circuit with voltage divider resistor and R-C filter for easy adjustment of gain range
6. On-chip programmable gain amplifier with gain range: 1-128 times
7. Chip internal input with buffer amplifier for direct connection to the sensor
Package Includes:
1 * AD7705 Dual Module SPI
Bart
Reviewed in the United States on April 11, 2024
I wanted to use this to provide a differential input for a project I'm working on, but they have connected the negative inputs to the supply ground. This isn't ideal for differential measurements because they often aren't referenced to ground.The data sheet for the IC says they are fully differential, so either the IC isn't genuine or they created a common trace on the PCB.
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