Details

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BUY AD7450ARMZ https://www.utsource.net/itm/p/7356267.html
12 Bit Analog to Digital Converter 1 Input 1 SAR 8-MSOP

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating Range	2.7	-	5.25	V
Analog Input Voltage	VIN	Range	0	-	VDD	V
Conversion Time	tconv	Single Channel	-	6.1	-	μs
Power Consumption	IDD	Active Mode	-	230	-	μA
Power Consumption	IDD	Sleep Mode	-	0.5	-	μA
Output Data Rate	ODR		-	200	-	kSPS
Digital Interface	SPI	Modes Supported	-	0, 3	-	-

Instructions for AD7450ARMZ

1. Power Supply Connection:

   • Connect the VDD pin to a power supply within the range of 2.7V to 5.25V.
   • Ensure that the GND pin is properly grounded.

2. Analog Input Configuration:

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

3. Digital Communication Setup:

   • Use the SPI interface to communicate with the device. The AD7450 supports SPI modes 0 and 3.
   • Connect the CS (Chip Select), SCLK (Serial Clock), MOSI (Master Out Slave In), and MISO (Master In Slave Out) pins appropriately.

4. Conversion Process:

   • To initiate a conversion, bring the CS pin low and provide the appropriate command sequence via the SPI interface.
   • The conversion time is approximately 6.1 microseconds in single-channel mode.

5. Reading Conversion Results:

   • After the conversion is complete, read the results from the device using the SPI interface.
   • Ensure that the data transfer rate does not exceed 200 kSPS.

6. Power Management:

   • For power savings, put the device into sleep mode by issuing the appropriate command over SPI.
   • In sleep mode, the current consumption drops to about 0.5 μA.

7. Handling and Storage:

   • Follow standard ESD (Electrostatic Discharge) precautions when handling the device.
   • Store in a dry environment to prevent damage.

For detailed specifications and additional information, refer to the official datasheet provided by Analog Devices.

(For reference only)