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adr421brz The Analog Devices ADR421BRZ is an ultra-precision, low-noise XFET voltage reference with a fixed 2.5V output. It offers excellent stability and regulation for demanding applications.
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adr421brz

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The Analog Devices ADR421BRZ is an ultra-precision, low-noise XFET voltage reference with a fixed 2.5V output. It offers excellent stability and regulation for demanding applications.
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$ Price Range: $0.99

adr421brz Available from 1 distributor

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adr421brz Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Hysteresis
Industrial Grade
Input Voltage
Lead Spacing
Lead Style
Noise
Operating Temperature
Output Current
Output Voltage
SVHC Present
Supply Current
Temperature Coefficient
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adr421brz Description

Short technical summary and product information.

The ADR421BRZ from Analog Devices is a high-performance voltage reference IC designed for precision applications. It provides a stable and accurate 2.500 V output voltage with ultra-low noise characteristics, measuring just 1.75 µVp-p from 0.1 Hz to 10 Hz. This device boasts a low temperature coefficient of 3 ppm/°C and impressive long-term stability of 50 ppm/1000 hours, ensuring reliable performance across a wide operating temperature range of -40°C to +125°C.

 

Featuring excellent load regulation (70 ppm/mA typical) and line regulation (35 ppm/V maximum), the ADR421BRZ maintains output accuracy under varying conditions. It operates from an input voltage range of 4.5 V to 18 V and consumes a low quiescent current of 600 µA maximum. The device is available in an 8-lead SOIC package, suitable for various PCB designs.

 

With its combination of precision, low noise, and stability, the ADR421BRZ is well-suited for applications requiring highly accurate voltage references, such as data acquisition systems, medical instrumentation, and high-precision test equipment.

adr421brz Quick Information

Product Type: Voltage Reference
Series: ADR421
Canonical Name: ADR421BRZ Ultraprecision, Low Noise, 2.500 V XFET Voltage Reference
Subcategory: XFET Voltage References

adr421brz Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

adr421brz Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

adr421brz Features

  • Provides a fixed 2.5 V output voltage.
  • Operates from 4.5 V to 18 V input.
  • Features a low 3 ppm/°C temperature coefficient.
  • Offers 0.04% initial accuracy.
  • Packaged in an 8-pin SOIC-8.

adr421brz Applications

  • Used in precision data acquisition systems.
  • Suitable for high-resolution converters.
  • Ideal for industrial control applications.
  • Applied in automotive sensor interfaces.
  • Good for portable instrumentation devices.

adr421brz FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the ADR421BRZ?

The ADR421BRZ provides a fixed output voltage of 2.5 V.

What is the maximum output current for the ADR421BRZ?

The maximum output current for the ADR421BRZ is 10 mA.

What is the input voltage range for the ADR421BRZ?

The input voltage range for the ADR421BRZ is 4.5 V to 18 V.

What is the operating temperature range of the ADR421BRZ?

The ADR421BRZ operates within a temperature range of -40°C to +125°C.

What is the package type for the ADR421BRZ?

The ADR421BRZ is available in an SOIC-8 package.

What is the temperature coefficient of the ADR421BRZ?

The maximum temperature coefficient of the ADR421BRZ is 3 ppm/°C.

What is the initial accuracy of the ADR421BRZ?

The initial accuracy of the ADR421BRZ is 0.04 %.

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