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ISL1557AIRZ - Renesas Electronics

Description: The ISL1557A is a dual operational amplifier designed for VDSL2 and ADSL line driving in DMT based solutions. This device features a high drive capability of 750mA while consuming only 6mA of supply current per amplifier and operating from a single 4. 5V to 12V supply. The driver achieves a typical distortion of -80dBc at 150kHz into a 25Ω load. The ISL1557A is designed with stronger output clamps to enhance protection against lightning transients. The ISL1557A is available in the thermally-enhanced 16 Ld Q

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ISL1557AIRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ISL1557AIRZ(QFN-16)
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ISL1557AIRZ - Renesas Electronics  - 3D model - Quad Flat No-Lead - ISL1557AIRZ(QFN-16)
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ISL1557AIRZ Details

  • Manufacturer Part Number:

    ISL1557AIRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    L16.4X4H

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2018-03-02

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Differential Output:

    YES

  • Driver Number of Bits:

    2

  • High Level Input Current-Max:

    0.00025 A

  • Input Characteristics:

    DIFFERENTIAL

  • Interface IC Type:

    LINE DRIVER

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    DIFFERENTIAL

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • 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:

    21.5 mA

  • Supply Voltage-Max:

    13.2 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

ISL1557AIRZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the application note AN1443, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL1557AIRZ requires a specific power-up sequence to ensure proper initialization. Refer to the datasheet section 7.1, 'Power-Up Sequence', for the recommended power-up procedure.
  • The maximum allowed capacitance on the VCC pin is 10nF. Exceeding this value may cause power-up issues or affect the device's performance.
  • The ISL1557AIRZ is rated for operation up to 125°C. However, it's essential to follow the thermal management guidelines in the datasheet and application notes to ensure reliable operation in high-temperature environments.
  • Renesas provides a troubleshooting guide in the application note AN1444, which covers common issues, symptoms, and solutions. Additionally, the datasheet section 10, 'Troubleshooting', provides guidance on debugging and fault detection.

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ISL1557AIRZ Overview

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