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ISL22444WFV20Z - Renesas Electronics

Description: RENESAS - ISL22444WFV20Z - Non Volatile Digital Potentiometer, 10 kohm, Quad, Serial, SPI, Linear, ± 20%, 2.25 V

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ISL22444WFV20Z - Renesas Electronics - PCB symbol
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PCB Footprints
ISL22444WFV20Z - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M20.173
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3D Models
ISL22444WFV20Z - Renesas Electronics - 3D model - Small Outline Packages - M20.173
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ISL22444WFV20Z Details

  • Manufacturer Part Number:

    ISL22444WFV20Z

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TSSOP-20

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Bandwidth-Nom:

    1 kHz

  • Control Interface:

    3-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Number of Functions:

    4

  • Number of Positions:

    256

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Resistor Terminal Voltage-Min:

    -2.25 V

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    85 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Total Resistance-Nom:

    10000 Ω

  • Width:

    4.4 mm

ISL22444WFV20Z Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL22444WFV20Z has a thermal pad that must be connected to a thermal plane on the PCB to dissipate heat. Renesas recommends using a thermal interface material (TIM) and a heat sink if necessary, and provides thermal management guidelines in their application note AN1965.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor, depending on the specific application and operating conditions. The capacitor should be placed as close as possible to the VIN pin.
  • The ISL22444WFV20Z has a resistive divider network that sets the output voltage. Renesas provides a formula in the datasheet to calculate the required resistor values for a specific output voltage. The resistors should be placed between the FB pin and the output voltage node.
  • The ISL22444WFV20Z has a maximum output current capability of 4A, but this can be limited by the thermal performance of the device and the PCB. Renesas recommends derating the output current based on the ambient temperature and the thermal performance of the system.

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ISL22444WFV20Z Overview

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