Details

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BUY MCP4728A1-E/UN https://www.utsource.net/itm/p/12612108.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Operating Voltage	VDD		1.7		5.5	V
Output Voltage Range	VOUT	VDD = 2.7V to 5.5V	0		VDD-1.2	V
Resolution				12		bits
Conversion Time	tCONV			3		μs
Power Supply Current	IDD			200		μA
Temperature Range	Toper		-40		85	°C

Instructions for MCP4728A1-E/UN

1. Power Supply:

   • Ensure the power supply voltage (VDD) is within the operating range of 1.7V to 5.5V.

2. Initialization:

   • Initialize the device using I2C protocol with a standard or fast mode up to 400 kHz.
   • Set the desired configuration for each DAC channel via I2C commands.

3. DAC Configuration:

   • Configure each of the four DAC channels independently by sending appropriate I2C commands.
   • Use the internal reference or external reference as per application requirements.

4. Voltage Output:

   • The output voltage can be set in steps corresponding to the 12-bit resolution.
   • Ensure the output voltage does not exceed VDD - 1.2V to avoid damage.

5. Power Management:

   • For low-power applications, utilize the power-down mode which significantly reduces current consumption.

6. Temperature Considerations:

   • Operate within the temperature range of -40°C to +85°C to ensure reliable performance.

7. Communication Protocol:

   • Follow the I2C communication protocol carefully to prevent data corruption and ensure reliable operation.

8. Storage and Handling:

   • Store in a dry environment and handle with care to avoid ESD damage.

(For reference only)