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ADR4525BRZ - Analog Devices

Description: ► 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 s

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ADR4525BRZ - Analog Devices - PCB symbol
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ADR4525BRZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - (R-8)
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ADR4525BRZ - Analog Devices - 3D model - Small Outline Packages - (R-8)
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ADR4525BRZ Details

  • Manufacturer Part Number:

    ADR4525BRZ

  • Source Url Status Check Date:

    2013-05-01 14:56:47.844

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    Temp Coef of Voltage for BOX method 2ppm/Cel

  • 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 Current-Max:

    0.01 A

  • Output Voltage-Max:

    2.5005 V

  • Output Voltage-Min:

    2.4995 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):

    3 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    4 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:

    NO

  • Voltage Tolerance-Max:

    0.02%

  • Width:

    3.9 mm

ADR4525BRZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADR4525BRZ involves placing the device close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC), using a solid ground plane, and keeping the input and output traces short and separate from digital signals. Additionally, decoupling capacitors should be placed close to the device to filter out high-frequency noise.
  • When using multiple voltage references in a system, it's essential to ensure that they are compatible in terms of voltage levels, noise tolerance, and output impedance. The ADR4525BRZ is a high-precision voltage reference, and it's recommended to use a single reference voltage throughout the system to avoid potential conflicts. If multiple references are necessary, ensure that they are properly isolated and decoupled to prevent noise coupling.
  • The recommended power-up sequence for the ADR4525BRZ involves applying the power supply voltage (VCC) before the input voltage (VIN). This ensures that the internal circuitry is properly biased and prevents damage or instability. A soft-start circuit or a power-up sequencer can be used to control the power-up sequence.
  • The ADR4525BRZ is a temperature-compensated voltage reference, but it's still affected by temperature changes. The device's output voltage can drift by ±1.5 mV/°C. To minimize thermal effects, ensure good airflow around the device, use a thermally conductive PCB material, and consider using a heat sink or thermal interface material if the device is expected to operate in high-temperature environments.
  • To minimize electromagnetic interference (EMI) and radio-frequency interference (RFI) with the ADR4525BRZ, use a shielded enclosure, keep the device away from high-frequency sources, and use a low-pass filter or ferrite bead on the input and output lines. Additionally, ensure that the PCB layout is designed to minimize radiation and coupling between traces.

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ADR4525BRZ Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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