Details

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BUY AD574AJD https://www.utsource.net/itm/p/12535131.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	4.5	5.0	5.5	V
Supply Current	IDD	All channels off	-	20	-	mA
Analog Input Voltage Range	VIN		0	-	VREF	V
Reference Voltage	VREF		2.5	10	-	V
Conversion Time	tCONV	12-bit conversion	-	20	-	μs
Differential Nonlinearity	DNL	12-bit	-1	0	+1	LSB
Integral Nonlinearity	INL	12-bit	-3	0	+3	LSB
Offset Error	EOFF		-10	0	+10	mV
Gain Error	EGAIN		-0.5	0	+0.5	% FS
Temperature Coefficient	TCO		-5	0	+5	ppm/°C

Instructions for Using AD574AJD

1. Power Supply:

   • Connect the supply voltage (VDD) to the power pin.
   • Ensure the supply voltage is within the specified range (4.5V to 5.5V).

2. Reference Voltage:

   • Connect the reference voltage (VREF) to the reference pin.
   • The reference voltage should be stable and within the specified range (2.5V to 10V).

3. Analog Input:

   • Apply the analog input voltage (VIN) to the appropriate input pins.
   • Ensure the input voltage is within the range of 0 to VREF.

4. Conversion:

   • Initiate the conversion process by setting the appropriate control signals.
   • The conversion time is typically 20 μs for a 12-bit conversion.

5. Reading the Output:

   • After the conversion is complete, read the digital output from the data pins.
   • The output will be a 12-bit binary code representing the analog input voltage.

6. Error Considerations:

   • Account for offset error (±10 mV) and gain error (±0.5% FS) in your system design.
   • Monitor the temperature coefficient (±5 ppm/°C) to ensure accurate measurements over temperature variations.

7. Nonlinearity:

   • Differential nonlinearity (DNL) and integral nonlinearity (INL) should be within ±1 LSB and ±3 LSB, respectively, to maintain accuracy.

8. Supply Current:

   • The supply current (IDD) is typically 20 mA when all channels are off. Ensure your power supply can handle this current.

9. Handling:

   • Handle the AD574AJD with care to avoid static damage.
   • Follow proper soldering techniques and use appropriate heat sinks if necessary.

By following these instructions, you can ensure optimal performance and reliability of the AD574AJD in your application.

(For reference only)