Details

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BUY DAC7811IDGSRG4 https://www.utsource.net/itm/p/7395634.html
12 Bit Digital to Analog Converter 1 10-VSSOP

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD		2.7		5.5	V
Output Voltage Range	VOUT	RSET = 50kΩ, VREF = 2.5V	0		2.5	V
Reference Input Voltage	VREF		0		5	V
Digital Input Voltage	VIN		0		VDD	V
Output Settling Time	tS	1 LSB Step, VOUT = 0.1% Final		8		μs
INL (Integral Nonlinearity)	INL	GND ≤ DAC Code ≤ Full Scale	-1		+1	LSB
DNL (Differential Nonlinearity)	DNL	All Codes	-1		+1	LSB
Power Dissipation	PD	VDD = 5V, Full-Scale Output			30	mW

Instructions for Use:

1. Power Supply:

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

2. Reference Voltage Setup:

   • Connect an external reference voltage (VREF) between 0V and 5V to achieve the desired output voltage range.

3. Digital Input Configuration:

   • Apply digital input signals within the range of 0V to VDD. The DAC7811 supports a parallel interface for data entry.

4. Output Configuration:

   • The output voltage (VOUT) can be adjusted by configuring the resistor (RSET). For optimal performance, use a 50kΩ resistor with a 2.5V reference voltage.

5. Timing Considerations:

   • Account for the output settling time of 8μs when designing circuits that require rapid changes in output voltage.

6. Linearity Calibration:

   • Check and calibrate for Integral Nonlinearity (INL) and Differential Nonlinearity (DNL) errors as specified to ensure accurate analog output.

7. Power Management:

   • Be mindful of power dissipation, especially at full-scale output, to avoid overheating. The device dissipates up to 30mW at VDD = 5V.

8. Installation and Handling:

   • Handle the DAC7811 with care to avoid ESD damage. Follow standard procedures for surface-mount devices during installation.

(For reference only)