ADR4533
Info : RECOMMENDED FOR NEW DESIGNS
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ADR4533

Ultra-Low-Noise, High-Accuracy 3.3V Voltage Reference

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 4
1ku List Price Starting From $2.89
Features
  • Maximum temperature coefficient (TCVOUT):
    • 0.8 ppm/°C (D grade 0°C to 70°C)
    • 1 ppm/°C (C grade 0°C to 70°C)
    • 2 ppm/°C (B grade −40°C to +125°C)
    • 4 ppm/°C (A grade −40°C to +125°C)
  • Output noise (0.1 Hz to 10 Hz):
  • 1 μV p-p at VOUT of 2.048 V typical
  • Initial output voltage error:
    • B, C, D grade: ±0.02% (maximum)
  • Input voltage range: 3 V to 15 V
  • Operating temperature:
    • A grade and B grade: −40°C to +125°C
    • C grade and D grade: 0°C to +70°C
  • Output current: +10 mA source/−10 mA sink
  • Low quiescent current: 950 μA (maximum)
  • Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V)
  • 8-lead SOIC package and LCC package
  • AEC-Q100 qualified for automotive applications
  • Long-term drift: 8 ppm typical at 4500 hours
Additional Details
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The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550devices are high precision, low power, low noise voltage references featuring ±0.02% B, C, and D grade maximum initial error, excellent temperature stability, and low output noise.

This family of voltage references uses an innovative core topology to achieve high accuracy while offering industry-leading temperature stability and noise performance. The low, thermally induced output voltage hysteresis and low long-term output voltage drift of the devices also improve system accuracy over time and temperature variations.

A maximum operating current of 950 μA and a maximum low dropout voltage of 300 mV allow the devices to function very well in portable equipment.

The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 series of references are each provided in an 8-lead SOIC and are available in a wide range of output voltages, all of which are specified over the extended industrial temperature range of −40°C to +125°C.

The ADR4525, ADR4540, and ADR4550 are also available in D, which are in 8 lead LCC package, and C grade with a temperature range of 0°C to 70°C. The ADR4525W, available in an 8‑lead SOIC package, is qualified for automotive applications.

APPLICATIONS

  • Precision data acquisition systems
  • High resolution data converters
  • High precision measurement devices
  • Industrial instrumentation
  • Medical devices
  • Automotive battery monitoring
Part Models 4
1ku List Price Starting From $2.89

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADR4533ARZ
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ADR4533ARZ-R7
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ADR4533BRZ
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ADR4533BRZ-R7
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Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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