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ADR4540CRZ - 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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ADR4540CRZ - Analog Devices - PCB symbol
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ADR4540CRZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - (R-8)
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ADR4540CRZ - Analog Devices - 3D model - Small Outline Packages - (R-8)
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ADR4540CRZ Details

  • Manufacturer Part Number:

    ADR4540CRZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-04-28

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    Temp Coef of Voltage for BOX method 1ppm/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:

    70 °C

  • Output Current-Max:

    0.01 A

  • Output Voltage-Max:

    4.0968192 V

  • Output Voltage-Min:

    4.0951808 V

  • Output Voltage-Nom:

    4.096 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

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    4.2 V

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    2 ppm/°C

  • Temperature Grade:

    COMMERCIAL

  • 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

ADR4540CRZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADR4540CRZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated layer for the analog power supply and another layer for the digital power supply. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with Analog Devices' application notes and PCB layout guidelines for more detailed information.
  • The ADR4540CRZ is specified to operate from -40°C to 125°C. To ensure the device operates within this range, it's essential to provide adequate heat sinking and thermal management. This can be achieved by using a heat sink, thermal interface material, and ensuring good airflow around the device. Additionally, it's recommended to monitor the device's junction temperature using the thermal monitoring pin (TMP) and take corrective action if the temperature exceeds the specified range.
  • The recommended input voltage range for the ADR4540CRZ is 4.5V to 18V. The output voltage of the device is regulated and remains constant at 4.5V, 5V, or 10V (depending on the specific device variant) as long as the input voltage is within the recommended range. However, if the input voltage drops below 4.5V, the output voltage will start to droop, and the device may enter an undervoltage lockout (UVLO) state. It's essential to ensure the input voltage is within the recommended range to maintain a stable output voltage.
  • The ADR4540CRZ has a built-in power-on reset (POR) and brown-out reset (BOR) feature that helps ensure the device powers up correctly and resets the system in case of a brown-out event. To handle these features, it's recommended to connect the POR pin to a capacitor and a pull-up resistor to ensure a clean power-up sequence. Additionally, the BOR threshold can be adjusted using an external resistor divider network. It's essential to consult the datasheet and application notes for more detailed information on how to properly configure and use these features.
  • The recommended output capacitor value and type for the ADR4540CRZ depend on the specific application and output voltage. In general, a low-ESR ceramic capacitor with a value between 10uF to 22uF is recommended. The capacitor should be placed as close to the output pin as possible to minimize noise and ensure stability. It's also essential to consider the capacitor's voltage rating, temperature coefficient, and aging characteristics to ensure reliable operation over the device's lifetime.

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ADR4540CRZ 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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