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ISL22346UFRT20Z - Renesas Electronics

Description: The ISL22346 integrates four digitally controlled potentiometers (DCP) and non-volatile memory on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The cont

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ISL22346UFRT20Z - Renesas Electronics - PCB symbol
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PCB Footprints
ISL22346UFRT20Z - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L20.4x4A_-1
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ISL22346UFRT20Z - Renesas Electronics - 3D model - Quad Flat No-Lead - L20.4x4A_-1
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ISL22346UFRT20Z Details

  • Manufacturer Part Number:

    ISL22346UFRT20Z

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    L20.4X4A

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-10-05

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Control Interface:

    2-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Positions:

    128

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    80 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Total Resistance-Nom:

    50000 Ω

  • Width:

    4 mm

ISL22346UFRT20Z Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL22346UFRT20Z 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 X5R or X7R ceramic capacitor with a voltage rating of 25V or higher for the input capacitor. The capacitor should be placed as close as possible to the VIN pin to minimize noise and ensure stable operation.
  • The output voltage can be configured by connecting a resistor divider network between the VOUT pin and the GND pin. The resistor values can be calculated using the formula provided in the datasheet. Additionally, the output voltage can be adjusted using an external voltage reference or a digital potentiometer.
  • The ISL22346UFRT20Z has a maximum output current capability of 3A. However, the actual output current capability may be limited by the input voltage, output voltage, and thermal considerations. Ensure that the device is operated within the recommended operating conditions to avoid overheating or damage.

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ISL22346UFRT20Z Overview

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