Details

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BUY ADS7807U https://www.utsource.net/itm/p/7248368.html
IC ADC 16BIT SAR 28SOIC

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7	-	5.5	V	Operating supply voltage
Analog Input Voltage	VIN	0	-	VDD	V	Range of analog input voltage
Digital Output Type	DO	-	CMOS	-	-	CMOS digital output
Conversion Time	tconv	-	13	-	μs	Typical conversion time
Resolution	N	-	12	-	bits	ADC resolution
Power Consumption	IDD	-	800	-	μA	Current consumption in active mode
Shutdown Current	ISD	-	1	-	μA	Current consumption in shutdown mode
Differential Nonlinearity	DNL	-1	-	+1	LSB	Differential nonlinearity
Integral Nonlinearity	INL	-2	-	+2	LSB	Integral nonlinearity

Instructions for ADS7807U:

1. Power Supply Connection:

   • Connect the VDD pin to a power supply within the range of 2.7V to 5.5V.
   • Ensure a stable and clean power supply to minimize noise.

2. Analog Input Configuration:

   • Connect the analog signal to be measured to the VIN pin.
   • The input signal must be within the range of 0V to VDD.

3. Digital Interface Setup:

   • Use the provided CMOS digital outputs for interfacing with microcontrollers or other digital systems.
   • Ensure proper logic levels match those of the connected system.

4. Conversion Initiation:

   • Trigger the conversion process according to the specific protocol defined by the device (e.g., via a start conversion pin or command).
   • Wait for at least 13 microseconds for the conversion to complete.

5. Reading the Output:

   • After the conversion is complete, read the 12-bit digital output from the digital output pins.
   • Interpret the data as per the binary format specified in the datasheet.

6. Power Management:

   • To reduce power consumption, use the shutdown feature by pulling the appropriate control pin low.
   • In shutdown mode, the device consumes approximately 1 μA.

7. Calibration and Accuracy:

   • Check the differential and integral nonlinearity specifications to understand potential errors.
   • Apply calibration techniques if necessary to improve accuracy.

8. Handling and Storage:

   • Follow standard ESD (Electrostatic Discharge) precautions when handling the component.
   • Store in recommended environmental conditions to prevent damage.

(For reference only)