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BUY ADS1286P https://www.utsource.net/itm/p/712447.html
12-Bit Micro-Power Sampling Analog-to-Digital Converter (ADC) 8-PDIP -40 to 85

Below is the parameter table and instructions for the ADS1286P, a 24-bit Delta-Sigma ADC from Texas Instruments.

ADS1286P Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VDD	2.7	5.0	5.25	V
Analog Input Voltage Range	VIN	0		VDD	V
Output Data Rate	ODR	10	100	2000	SPS
Resolution			24		bits
INL (Integral Nonlinearity)	INL	-20	0	+20	ppm	@ 2.5V Full Scale
DNL (Differential Nonlinearity)	DNL	-1	0	+1	LSB	@ 2.5V Full Scale
Signal-to-Noise Ratio	SNR		110		dB	@ 2.5V Full Scale, 10 SPS
Power Consumption	IDD		1.2		mA	@ 3.3V, 10 SPS
Operating Temperature	Toper	-40		85	°C
Storage Temperature	Tstg	-65		150	°C

ADS1286P Instructions

1. Power-Up Sequence:

   • Apply VDD to the device.
   • Ensure that the power supply is stable before proceeding with other operations.
   • Apply a valid reference voltage to the REF pin if an external reference is used.

2. Configuration:

   • Use the configuration registers to set up the ADC according to your application requirements.
   • Access the configuration registers via the SPI interface.

3. Data Conversion:

   • Initiate a conversion by writing to the control register or using the RDY/DRDY pin.
   • The conversion result can be read from the data register after the conversion is complete.

4. Reading Data:

   • Use the SPI interface to read the 24-bit conversion result.
   • The data is read in MSB-first format.

5. Power Management:

   • To reduce power consumption, use the power-down mode by setting the appropriate bit in the configuration register.
   • The device can be woken up by writing to the control register or using the RDY/DRDY pin.

6. Calibration:

   • Perform system calibration if required to improve accuracy.
   • Calibration can be done using the internal or external reference.

7. Interrupt Handling:

   • The RDY/DRDY pin can be used as an interrupt to indicate when a new conversion result is available.
   • Configure the interrupt pin in the configuration register.

8. Error Handling:

   • Monitor the status register for any error flags.
   • Handle errors such as overrange, underrange, or communication errors as per the application requirements.

9. SPI Communication:

   • Ensure proper SPI communication settings (clock speed, polarity, phase).
   • Use the CS (Chip Select) pin to select the ADS1286P for communication.

10. Pin Configuration:

    • Refer to the datasheet for detailed pin descriptions and connections.
    • Properly connect the VDD, GND, and other necessary pins for operation.

For more detailed information, refer to the ADS1286P datasheet and application notes provided by Texas Instruments.

(For reference only)