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ISL23428WFVZ - Renesas Electronics

Description: The ISL23428 is a volatile, low voltage, low noise, low power, 128-tap, dual digitally controlled potentiometer (DCP) with an SPI Bus™ interface. It integrates two DCP cores, wiper switches and control logic on a monolithic CMOS integrated circuit. Each digitally controlled potentiometer is implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the SPI bus interface. Each potentiometer has an associated volatile Wiper Register (WR

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ISL23428WFVZ - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M14.173-ren1
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ISL23428WFVZ - Renesas Electronics  - 3D model - Small Outline Packages - M14.173-ren1
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ISL23428WFVZ Details

  • Manufacturer Part Number:

    ISL23428WFVZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    M14.173

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-10-19

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Bandwidth-Nom:

    1.2 kHz

  • Control Interface:

    3-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Positions:

    128

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    125 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Total Resistance-Nom:

    10000 Ω

  • Width:

    4.4 mm

ISL23428WFVZ 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 ISL23428WFVZ has a thermal pad that must be connected to a thermal plane on the PCB to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer. Additionally, ensure good airflow and avoid blocking the airflow around the device.
  • Renesas recommends using a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric as the input capacitor. This value and type provide a good balance between filtering and stability.
  • The ISL23428WFVZ has a power-on reset (POR) circuit that ensures the device powers up correctly. To ensure proper power-down, ensure that the input voltage is reduced to below 1V and the EN pin is pulled low before removing power.
  • The ISL23428WFVZ can deliver up to 2A of output current. However, the maximum allowed output current depends on the input voltage, output voltage, and ambient temperature. Consult the datasheet for detailed information on output current limitations.

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