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ISL3331IRZ - Renesas Electronics

Description: This device is a BiCMOS interface IC that is user-configured as either a single RS-422/RS-485 differential transceiver or as a dual (2 Tx, 2 Rx) RS-232 transceiver. In RS-232 mode, the on-board charge pump generates RS-232 compliant ±5V Tx output levels, from a supply as low as 3.15V. Four small 0.1µF capacitors are required for the charge pump. The transceivers are RS-232 compliant, with the Rx inputs handling up to ±25V. In RS-485 mode, the transceivers support both the RS-485 and RS-422 differential comm

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ISL3331IRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40 Ld 6x6 QFN_1
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ISL3331IRZ - Renesas Electronics  - 3D model - Quad Flat No-Lead - 40 Ld 6x6 QFN_1
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ISL3331IRZ Details

  • Manufacturer Part Number:

    ISL3331IRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    QFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    L40.6X6

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Date Of Intro:

    2017-10-13

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Differential Output:

    NO

  • Driver Number of Bits:

    2

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-232

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    120 ns

  • Receiver Number of Bits:

    2

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max:

    3.45 V

  • Supply Voltage-Min:

    3.15 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    3.45 V

  • Supply Voltage1-Min:

    3.15 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

  • Transmit Delay-Max:

    2000 ns

  • Width:

    6 mm

ISL3331IRZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL3331IRZ involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure proper power-up and power-down of the ISL3331IRZ, make sure to follow the recommended power-up sequence, which is to apply VCC before applying VIN. During power-down, remove VIN before removing VCC. Also, ensure that the input voltage ramps up and down slowly to prevent damage to the device.
  • The maximum allowed capacitance on the output of the ISL3331IRZ is 10uF. Exceeding this value may cause instability or oscillations in the device.
  • To handle thermal management for the ISL3331IRZ, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the airflow around the device. The device has a thermal shutdown feature that will turn off the device if the junction temperature exceeds 150°C.
  • The recommended input filter configuration for the ISL3331IRZ is a pi-filter (L-C-R) or a T-filter (L-C-L) with a cutoff frequency of around 10MHz to 100MHz. This helps to reduce electromagnetic interference (EMI) and ensures proper operation of the device.

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