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

  • Manufacturer Part Number:

    ISL23428WFVZ-TK

  • 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

  • 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-TK 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-TK has a thermal pad on the bottom of the package, which should 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 around the device and consider using a heat sink if necessary.
  • Renesas recommends using a 1uF to 10uF ceramic capacitor with an X5R or X7R dielectric for the input capacitor (CIN). This ensures stable operation and minimizes noise.
  • The enable pin (EN) should be connected to a logic-level signal (e.g., 3.3V or 5V) to enable or disable the device. A pull-up resistor to the supply voltage is recommended to ensure the device is enabled during power-up.
  • The maximum allowed voltage on the output pin (VOUT) during power-down or shutdown is 6V. Exceeding this voltage may damage the device.

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