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ISL43840IRZ - Renesas Electronics

Description: The Intersil ISL43841 device is a precision, bidirectional, analog switches configured as a a dual 4 channel multiplexer/ demultiplexer designed to operate from a single +2V to +12V supply or from a ±2V to ±6V supply. The device has a latch bar pin to lock in the last switch address. ON resistance of 39Ω with a ±5V supply and 125Ω with a +3. 3V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only 0. 1nA at +25°C or 2. 5nA at +85°C. All digital inputs have 0. 8V to 2. 4

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PCB Footprints
ISL43840IRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L20.4x4
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ISL43840IRZ - Renesas Electronics  - 3D model - Quad Flat No-Lead - L20.4x4
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ISL43840IRZ Details

  • Manufacturer Part Number:

    ISL43840IRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    L20.4X4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2017-11-01

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage-Max (Vsup):

    -6 V

  • Neg Supply Voltage-Min (Vsup):

    -2 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Normal Position:

    NO/NC

  • Number of Channels:

    4

  • Number of Functions:

    2

  • Number of Terminals:

    20

  • Off-state Isolation-Nom:

    92 dB

  • On-state Resistance Match-Nom:

    1.3 Ω

  • On-state Resistance-Max (Ron):

    50 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.001 mA

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    40 ns

  • Switch-on Time-Max:

    60 ns

  • Switching:

    BREAK-BEFORE-MAKE

  • Technology:

    CMOS

  • 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

  • Width:

    4 mm

ISL43840IRZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use short, wide traces for the power and ground connections.
  • Follow the power-up sequence outlined in the datasheet. Ensure the VCC pin is powered up before the VDD pin. Configure the device using the SPI interface, and verify the configuration using the SPI read-back feature.
  • The ISL43840IRZ has a maximum junction temperature of 150°C. Ensure good airflow around the device, and consider using a heat sink or thermal pad to reduce thermal resistance. Monitor the device temperature using the internal temperature sensor.
  • Use the built-in diagnostic features, such as the fault detection and reporting mechanism. Analyze the device's internal registers and status bits to identify the source of the issue. Consult the datasheet and application notes for troubleshooting guidelines.
  • The ISL43840IRZ has built-in ESD protection, but it's still important to follow proper ESD handling procedures during assembly and testing. Use ESD-safe materials and equipment, and ensure the device is properly grounded during handling.

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ISL43840IRZ Overview

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