Details

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BUY AD569AD https://www.utsource.net/itm/p/11739850.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7		5.5	V	Operating supply voltage
Output Voltage Range	VOUT	0		VDD	V	Output voltage range
Digital Input Voltage	VIN	0		VDD	V	Digital input voltage levels
Output Current	IOUT	-		10	mA	Maximum output current
Power Consumption	IDD	-	3	5	mA	Typical power consumption at VDD = 5V
Resolution		-	12	-	bits	Digital-to-analog converter resolution
Integral Nonlinearity	INL	-	±1	±3	LSB	Integral nonlinearity error
Differential Nonlinearity	DNL	-	±1	±1	LSB	Differential nonlinearity error
Settling Time	tSETTLE	-	10	20	μs	Time to settle within 1 LSB of final value
Temperature Range	Toper	-40		85	°C	Operating temperature range

Instructions for Using AD569AD

1. Power Supply:

   • Connect the VDD pin to the supply voltage (2.7V to 5.5V).
   • Connect the GND pin to ground.

2. Digital Inputs:

   • Apply digital input signals to the DIN pins. Ensure that the input voltages are within the range of 0V to VDD.
   • Use a serial interface to load the digital data into the DAC register.

3. Output Configuration:

   • The output voltage (VOUT) will be proportional to the digital input code and the supply voltage (VDD).
   • The output can source or sink up to 10mA of current.

4. Programming the DAC:

   • Use the serial data input (SDI), serial clock (SCLK), and load (LDAC) pins to program the DAC.
   • Send the digital code to the DAC using the serial interface.
   • Assert the LDAC pin to update the DAC output with the new code.

5. Power Management:

   • The device has a low power consumption, typically around 3mA at 5V.
   • Ensure proper decoupling capacitors are used near the VDD and GND pins to stabilize the power supply.

6. Temperature Considerations:

   • The device is designed to operate over a temperature range of -40°C to 85°C.
   • Ensure that the operating environment does not exceed these limits to avoid performance degradation.

7. Settling Time:

   • After updating the DAC register, allow sufficient time (10 to 20 μs) for the output to settle to within 1 LSB of the final value.

8. Nonlinearity:

   • The integral nonlinearity (INL) and differential nonlinearity (DNL) errors should be within the specified limits to ensure accurate conversion.

By following these instructions, you can effectively use the AD569AD DAC in your application.

(For reference only)