Details

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BUY LTC1628CG-PG https://www.utsource.net/itm/p/12603920.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	4.5	5.0	5.5	V	Operating supply voltage range
Output Voltage Range	VOUT	0	-	VREF	V	Output voltage range relative to reference voltage
Reference Voltage	VREF	2.048	-	2.048	V	Internal precision reference voltage
Resolution	-	-	12	-	bits	Digital-to-analog converter resolution
Linearity Error	INL	-	卤0.1	-	LSB	Integral non-linearity error
Differential Non-Linearity Error	DNL	-	卤0.1	-	LSB	Differential non-linearity error
Settling Time	tSETTLE	-	10	-	渭s	Time to settle to 0.01% of full scale
Power Consumption	ICC	-	2.5	-	mA	Typical supply current at 5V
Shutdown Current	ISD	-	1	-	渭A	Supply current in shutdown mode
Operating Temperature Range	TOP	-40	-	85	掳C	Temperature range for operation
Storage Temperature Range	TSTG	-65	-	150	掳C	Temperature range for storage

Instructions for Using the LTC1628CG-PG:

1. Power Supply:

   • Connect the V_CC pin to a stable 5V supply.
   • Ensure the ground (GND) pin is connected to the system ground.

2. Reference Voltage:

   • The internal reference voltage (V_REF) is set to 2.048V. This can be used directly or externally bypassed if a different reference is required.

3. Output Configuration:

   • The output voltage (V_OUT) can be adjusted from 0V to V_REF using the digital input.
   • Connect the output pin to the load or the next stage of your circuit.

4. Digital Interface:

   • The LTC1628CG-PG uses a serial interface (SPI) for communication.
   • Connect the SCLK, SDI, and CS pins to the corresponding SPI lines of your microcontroller or control system.
   • Use the appropriate SPI commands to write the desired digital value to the DAC.

5. Shutdown Mode:

   • To enter shutdown mode, set the CS pin high and keep it high.
   • In shutdown mode, the power consumption is reduced to approximately 1渭A.

6. Decoupling Capacitors:

   • Place a 0.1渭F ceramic capacitor close to the V_CC and GND pins to filter out noise and ensure stable operation.
   • Optionally, add a 10渭F tantalum capacitor between V_CC and GND for additional filtering.

7. Temperature Considerations:

   • Ensure the device operates within the specified temperature range (-40掳C to 85掳C) for reliable performance.
   • Store the device within the storage temperature range (-65掳C to 150掳C).

8. Handling Precautions:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow proper soldering techniques to prevent thermal damage during assembly.

By following these instructions, you can ensure optimal performance and reliability of the LTC1628CG-PG in your application.

(For reference only)