Details

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BUY ADS7816P https://www.utsource.net/itm/p/712470.html
3µA IQ, 20mA Low Dropout Linear Regulators; Package: DFN; No of Pins: 6; Temperature Range: -40°C to +125°C

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	4.5	-	5.5	V	Operating supply voltage range
Input Voltage Range	VIN	0	-	VDD	V	Valid input voltage range
Conversion Time	tCNV	-	23	-	μs	Time to complete a conversion (at 100 kHz clock)
Data Output Rate	fOUT	-	100	-	kHz	Maximum data output rate
Differential Nonlinearity	DNL	-	±1	-	LSB	Maximum deviation from ideal step size
Integral Nonlinearity	INL	-	±2	-	LSB	Maximum deviation from ideal transfer function
Power Consumption	IDD	-	1.5	-	mA	Typical power consumption at 5 V
Operating Temperature	TOP	-40	-	85	°C	Operating temperature range

Instructions for Using the ADS7816P

1. Power Supply:

   • Connect the V_DD pin to a stable 5V supply.
   • Connect the GND pin to the ground.

2. Input Signal:

   • Apply the analog input signal to the appropriate input pins (AIN0 and AIN1 for differential mode, or AIN0 for single-ended mode).
   • Ensure the input voltage is within the range of 0 to V_DD.

3. Clock Signal:

   • Provide a clock signal to the CLK pin. The maximum clock frequency is 100 kHz.
   • The conversion time is approximately 23 μs at a 100 kHz clock.

4. Start Conversion:

   • Set the CS (Chip Select) pin low to initiate a conversion.
   • After the conversion is complete, the DRDY (Data Ready) pin will go high.

5. Data Output:

   • Read the 12-bit digital output from the DOUT pin using a serial interface (SPI or similar).
   • The data is transmitted MSB first.

6. Configuration:

   • Use the control register to configure the ADC settings, such as the input channel and mode (differential or single-ended).

7. Power Management:

   • To reduce power consumption, set the CS pin high when the ADC is not in use.

8. Temperature Considerations:

   • Ensure the operating temperature is within the specified range (-40°C to 85°C) to maintain accuracy and reliability.

9. Noise and Interference:

   • Use proper grounding and shielding techniques to minimize noise and interference in the analog input signals.

10. Calibration:

    • Perform regular calibration to ensure accurate readings, especially if the device is used in a critical application.

(For reference only)