Details

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BUY DAC8574IPWG4 https://www.utsource.net/itm/p/12535191.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7	-	5.5	V
Output Voltage Range	VOUT	VREF = 2.5V, RL = 1kΩ	0	-	2.5	V
Reference Input Voltage	VREF	Operating	2.0	-	5.0	V
Differential Nonlinearity (DNL)	DNL	GND ≤ VOUT ≤ VREF	-1	0	+1	LSB
Integral Nonlinearity (INL)	INL	GND ≤ VOUT ≤ VREF	-1	0	+1	LSB
Settling Time	tS	0V to Full Scale, VOUT= 2.5V, CL = 10pF	-	8	-	μs
Power Dissipation	PD	All Outputs at Mid-Scale	-	4.4	-	mW

Instructions for DAC8574IPWG4:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the operating range of 2.7V to 5.5V.

2. Reference Voltage Setup:

   • Connect an external reference voltage (VREF) between 2.0V and 5.0V for accurate output voltage levels.

3. Output Configuration:

   • The DAC output can be configured via SPI interface. Make sure the load resistance (RL) connected to the output is suitable for your application, typically around 1kΩ for optimal performance.

4. Linearity Calibration:

   • Check the Differential Nonlinearity (DNL) and Integral Nonlinearity (INL) specifications to ensure that the DAC output meets the required accuracy for your application. Adjustments might be necessary if linearity is critical.

5. Settling Time Consideration:

   • Account for the settling time when designing circuits where fast transitions are needed. With a typical settling time of 8μs under specified conditions, ensure this fits within your timing requirements.

6. Power Management:

   • Monitor power dissipation, especially when all outputs are set to mid-scale, which typically dissipates around 4.4mW. This is important for thermal management in compact designs.

7. Interface Protocol:

   • Use the SPI protocol for communication with the DAC. Refer to the datasheet for detailed pin configurations and command sequences required for data transmission.

8. Capacitance Handling:

   • Keep parasitic capacitance (CL) on the output node low, ideally below 10pF, to maintain the specified settling time.

For more detailed information, refer to the specific device datasheet provided by the manufacturer.

(For reference only)