Details

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Below is the parameter table and instructions for the AD586KRZ, which is a precision 2.5V voltage reference from Analog Devices.

AD586KRZ Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Output Voltage	VOUT	-	2.500	-	V	0°C to +70°C
Initial Accuracy	ΔVOUT(25°C)	-0.1	0.0	+0.1	%	@ 25°C
Temperature Coefficient	TC	-10	5	+10	ppm/°C	0°C to +70°C
Line Regulation	ΔVOUT/ΔVIN	-	0.5	-	ppm/V	4.5V ≤ VIN ≤ 30V
Load Regulation	ΔVOUT/ΔIL	-	10	-	ppm/mA	IL = 0mA to 10mA
Supply Current	IS	-	1.0	-	mA	VIN = 5V
Dropout Voltage	VDROP	-	0.2	-	V	IL = 10mA
Operating Temperature Range	TA	-40	-	+85	°C	-
Storage Temperature Range	TSTG	-65	-	+150	°C	-

Instructions for Use

1. Power Supply:

   • The AD586KRZ operates with a supply voltage (V_IN) ranging from 4.5V to 30V.
   • Ensure that the supply voltage is stable and within the specified range to avoid damage or performance degradation.

2. Output Voltage:

   • The output voltage (V_OUT) is nominally 2.5V.
   • For best accuracy, use a low-impedance load and ensure that the load current (I_L) is within the specified range (0mA to 10mA).

3. Temperature Considerations:

   • The initial accuracy and temperature coefficient are critical parameters for maintaining precision over temperature.
   • For applications requiring high precision, consider using temperature compensation techniques or operating the device within a controlled temperature environment.

4. Load Regulation:

   • The load regulation is specified as 10 ppm/mA. This means that changes in load current can affect the output voltage.
   • To minimize load regulation effects, use a buffer amplifier between the AD586KRZ and the load.

5. Line Regulation:

   • The line regulation is specified as 0.5 ppm/V. This indicates how much the output voltage changes with variations in the input voltage.
   • Use a stable power supply to minimize line regulation effects.

6. Dropout Voltage:

   • The dropout voltage is the minimum difference between the input and output voltages required for the device to maintain regulation.
   • Ensure that the input voltage is at least 0.2V higher than the output voltage to avoid dropout.

7. Operating and Storage Temperature:

   • The device is designed to operate over a wide temperature range (-40°C to +85°C).
   • Store the device in a dry environment within the storage temperature range (-65°C to +150°C) to prevent damage.

8. PCB Layout:

   • Use a ground plane to minimize noise and improve thermal performance.
   • Place decoupling capacitors close to the power pins to reduce supply noise.

9. Handling:

   • Handle the device with care to avoid static discharge, which can damage the internal circuitry.
   • Follow proper ESD (Electrostatic Discharge) precautions during handling and installation.

By following these instructions, you can ensure optimal performance and reliability of the AD586KRZ in your application.

(For reference only)