Details

---

BUY DAC8840F https://www.utsource.net/itm/p/12609530.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating supply voltage range	2.7	-	5.5	V
Reference Voltage (VREF)	External reference input voltage range	0	-	VDD	V
Output Range	Analog output voltage range	0	-	VREF	V
Resolution	Number of bits in the digital input	-	16	-	bits
Differential Nonlinearity (DNL)	Maximum deviation from ideal step size between any two adjacent codes	-1	0	+1	LSB
Integral Nonlinearity (INL)	Maximum deviation of the actual transfer function from the ideal straight line	-3	0	+3	LSB
Settling Time	Time required for the output to reach and stay within a specified error band after a full-scale change	-	12	-	渭s
Power Consumption	Typical power consumption at 5V supply	-	2.5	-	mA
Temperature Range	Operating temperature range	-40	-	85	掳C

Instructions for Using the DAC8840F

1. Power Supply:

   • Connect the VDD pin to a stable power supply within the range of 2.7V to 5.5V.
   • Ensure the ground (GND) is properly connected.

2. Reference Voltage:

   • Connect the VREF pin to an external reference voltage or use the internal reference if applicable.
   • The reference voltage should be within the range of 0V to VDD.

3. Digital Input:

   • Apply the 16-bit digital code to the data input pins (D0-D15).
   • Ensure the data is latched into the DAC using the appropriate control signals (e.g., LDAC).

4. Output Configuration:

   • The analog output will be proportional to the digital input and the reference voltage.
   • The output range will be from 0V to VREF.

5. Control Signals:

   • Use the control signals (e.g., CS, WR, LDAC) to manage the data transfer and update the DAC output.
   • Refer to the specific timing diagrams in the datasheet for proper signal sequencing.

6. Temperature Considerations:

   • Ensure the device operates within the temperature range of -40掳C to 85掳C.
   • Monitor the temperature to avoid exceeding these limits, which can affect performance.

7. Settling Time:

   • Allow at least 12 microseconds for the output to settle after a full-scale change.
   • This ensures accurate and stable analog output.

8. Power Consumption:

   • The typical power consumption is 2.5mA at 5V supply.
   • Ensure the power supply can handle this current requirement.

9. Handling and Storage:

   • Handle the device with care to avoid electrostatic discharge (ESD).
   • Store the device in a dry, cool place to prevent damage.

For more detailed information, refer to the specific datasheet and application notes provided by the manufacturer.

(For reference only)