Details

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BUY AD574ASD https://www.utsource.net/itm/p/523203.html
Complete 12-Bit A/D Converter

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	4.5	5	5.5	V	Supply voltage for the device
Reference Voltage	VREF	2.4	2.5	2.6	V	Internal reference voltage
Analog Input Voltage	VIN	0	-	VREF	V	Range of analog input voltage
Conversion Time	tC	-	11	-	μs	Time required for one conversion cycle
Resolution	-	-	12	-	bits	Number of bits in the ADC output
Differential Nonlinearity (DNL)	DNL	-1	0	+1	LSB	Maximum deviation from ideal step size between any two adjacent codes
Integral Nonlinearity (INL)	INL	-1	0	+1	LSB	Maximum deviation of any code from its ideal value
Power Consumption	IDD	-	10	-	mA	Current drawn from the supply voltage
Operating Temperature	Toper	-40	-	85	°C	Range of temperatures over which the device is specified to operate

Instructions

1. Power Supply:

   • Connect the VDD pin to a stable 5V supply.
   • Ensure the supply voltage remains within the range of 4.5V to 5.5V.

2. Reference Voltage:

   • The internal reference voltage is typically 2.5V. If an external reference is used, ensure it is within the range of 2.4V to 2.6V.

3. Analog Input:

   • Connect the analog signal to the VIN pin. The input voltage should be within the range of 0V to VREF.

4. Conversion Start:

   • Initiate a conversion by setting the appropriate control signals. Refer to the specific control logic of the AD574ASD for detailed timing and control sequences.

5. Reading the Output:

   • After the conversion time (typically 11 μs), read the 12-bit digital output from the data pins. The output will be in binary format.

6. Powering Down:

   • To reduce power consumption, the device can be powered down by setting the appropriate control signals. Refer to the datasheet for specific power-down sequences.

7. Temperature Considerations:

   • Ensure the operating temperature remains within the range of -40°C to 85°C to maintain optimal performance.

8. Handling and Storage:

   • Handle the device with care to avoid electrostatic discharge (ESD) damage.
   • Store the device in a dry environment to prevent moisture-related issues.

(For reference only)