-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
Ultraprecision, Low Noise, 2.500 V XFET® Voltage References
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
ADR421ARZ by Analog Devices Inc is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
DISTI #
60AK5553
|
Newark | Volt Ref, 2.5V, Nsoic-8, -40 To 125Deg C, Voltage Reference Type:Series, Product Range:Adr421 Series, Reference Voltage Min:2.497V, Reference Voltage Max:2.503V, Initial Accuracy:3Mv, Temperature Coefficient:10Ppm/°C, Qualification:-Rohs Compliant: Yes |Analog Devices ADR421ARZ RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 81 |
|
$4.6000 / $8.8300 | Buy Now |
DISTI #
505-ADR421ARZ-ND
|
DigiKey | IC VREF SERIES 0.12% 8SOIC Min Qty: 1 Lead time: 10 Weeks Container: Tube |
810 In Stock |
|
$4.3125 / $9.5600 | Buy Now |
DISTI #
584-ADR421ARZ
|
Mouser Electronics | Voltage References Ultraprecision, Low Noise, 2.500 V XFET Voltage References RoHS: Compliant | 2055 |
|
$4.8300 / $8.0100 | Buy Now |
DISTI #
V99:2348_06222643
|
Arrow Electronics | V-Ref Precision 2.5V 10mA 8-Pin SOIC N Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2403 | Americas - 199 |
|
$4.3790 / $7.9280 | Buy Now |
|
Analog Devices Inc | 2.500 Voltage Reference Package Multiple: 98 | 1927 |
|
$3.3900 / $9.5600 | Buy Now |
DISTI #
26078030
|
Verical | V-Ref Precision 2.5V 10mA 8-Pin SOIC N Tube RoHS: Compliant Min Qty: 98 Package Multiple: 98 | Americas - 1764 |
|
$4.3396 | Buy Now |
DISTI #
80016579
|
Verical | V-Ref Precision 2.5V 10mA 8-Pin SOIC N Tube RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2403 | Americas - 199 |
|
$4.3790 | Buy Now |
DISTI #
87162270
|
Verical | V-Ref Precision 2.5V 10mA 8-Pin SOIC N Tube RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2442 | Americas - 167 |
|
$9.3213 | Buy Now |
|
ComSIT USA | ULTRAPRECISION, LOW NOISE, 2.500 V XFET VOLTAGE REFERENCE Three Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO8 ECCN: EAR99 RoHS: Compliant |
|
|
RFQ | |
DISTI #
ADR421ARZ
|
Richardson RFPD | VOLTAGE REFERENCE RoHS: Compliant Min Qty: 98 | 0 |
|
$4.5100 / $4.8200 | Buy Now |
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
|
ADR421ARZ
Analog Devices Inc
Buy Now
Datasheet
|
Compare Parts:
ADR421ARZ
Analog Devices Inc
Ultraprecision, Low Noise, 2.500 V XFET® Voltage References
|
Pbfree Code | No | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | ANALOG DEVICES INC | |
Part Package Code | SOIC | |
Package Description | ROHS COMPLIANT, MS-012AA, SOIC-8 | |
Pin Count | 8 | |
Manufacturer Package Code | R-8 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Analog Devices | |
Additional Feature | OUTPUT VOLTAGE CAN BE ADJUSTED OVER A +/-0.5% RANGE USING TRIM PIN | |
Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE | |
JESD-30 Code | R-PDSO-G8 | |
JESD-609 Code | e3 | |
Length | 4.9 mm | |
Moisture Sensitivity Level | 1 | |
Number of Functions | 1 | |
Number of Outputs | 1 | |
Number of Terminals | 8 | |
Operating Temperature-Max | 125 °C | |
Operating Temperature-Min | -40 °C | |
Output Voltage-Max | 2.503 V | |
Output Voltage-Min | 2.497 V | |
Output Voltage-Nom | 2.5 V | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | SOP | |
Package Equivalence Code | SOP8,.25 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE | |
Peak Reflow Temperature (Cel) | 260 | |
Qualification Status | Not Qualified | |
Seated Height-Max | 1.75 mm | |
Supply Voltage-Max (Vsup) | 15 V | |
Supply Voltage-Min (Vsup) | 5 V | |
Surface Mount | YES | |
Temp Coef of Voltage-Max | 10 ppm/°C | |
Temperature Grade | AUTOMOTIVE | |
Terminal Finish | Matte Tin (Sn) | |
Terminal Form | GULL WING | |
Terminal Pitch | 1.27 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Trim/Adjustable Output | YES | |
Voltage Tolerance-Max | 0.12% | |
Width | 3.9 mm |
This table gives cross-reference parts and alternative options found for ADR421ARZ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ADR421ARZ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
---|---|---|---|---|
ADR421ARZ-REEL7 | Analog Devices Inc | $4.9040 | Ultraprecision, Low Noise, 2.500 V XFET® Voltage References | ADR421ARZ vs ADR421ARZ-REEL7 |
ADR421AR | Analog Devices Inc | Check for Price | IC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, MS-012AA, SOIC-8, Voltage Reference | ADR421ARZ vs ADR421AR |
A good PCB layout for the ADR421ARZ involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the power supply. Additionally, using a 4-layer PCB with a dedicated analog ground plane can help reduce noise and improve performance.
To ensure the ADR421ARZ operates within its specified temperature range, it's essential to provide adequate heat sinking and thermal management. This can be achieved by using a heat sink, ensuring good airflow, and keeping the device away from other heat sources.
The recommended input voltage range for the ADR421ARZ is 4.5V to 15V. The output voltage is regulated to 4.096V ± 0.4% (max) for input voltages between 4.5V and 15V. Operating outside this range may affect the output voltage accuracy and stability.
To minimize noise sensitivity, use a low-pass filter at the input, keep the input traces short and away from noise sources, and use a capacitor (e.g., 10nF) between the input and ground. Additionally, consider using a shielded enclosure and keeping the device away from high-frequency sources.
The maximum output current capability of the ADR421ARZ is 10mA. Exceeding this limit may cause the output voltage to droop or become unstable. Ensure that the output current is within the specified limit to maintain a stable output voltage.