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PS9121-F3-AX - Renesas Electronics

Description: The PS9121 is an optically coupled high-speed, active low type isolator containing a GaAlAs LED on the input side and a photodiode and a signal processing circuit on the output side on one chip. The PS9121 is designed specifically for high common mode transient immunity (CMR) and low pulse width distortion. The PS9121 is suitable for high density application.

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PS9121-F3-AX - Renesas Electronics - PCB symbol
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PS9121-F3-AX - Renesas Electronics PCB footprint - Other - Other - PS9121-F3-AX-3
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PS9121-F3-AX Details

  • Manufacturer Part Number:

    PS9121-F3-AX

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-5

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Additional Feature:

    UL RECOGNIZED

  • Configuration:

    SINGLE

  • Data Rate-Nom:

    15 MBps

  • Forward Current-Max:

    0.03 A

  • Isolation Voltage-Max:

    3750 V

  • JESD-609 Code:

    e4

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    1

  • Number of Functions:

    1

  • On-State Current-Max:

    0.025 A

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    LOGIC IC OUTPUT OPTOCOUPLER

  • Packing Method:

    TR, EMBOSSED, 13 INCH

  • Response Time-Nom:

    2e-8 ns

  • Supply Voltage-Min:

    2.7 V

  • Surface Mount:

    YES

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

PS9121-F3-AX 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 sections separate, and use a common ground point for the analog and digital grounds.
  • Use a reliable communication protocol such as SPI or I2C, and ensure that the clock frequency and data transmission rates are within the specified limits. Also, use a pull-up resistor on the SCL line and a pull-down resistor on the SDA line.
  • Power up the VCC pin first, followed by the AVCC pin, and then the DVCC pin. Ensure that the power supply voltage is stable and within the specified range before applying the clock signal.
  • Use a heat sink or a thermal pad to dissipate heat. Ensure good airflow around the device, and avoid blocking the airflow with other components or obstacles.
  • Use a logic analyzer or an oscilloscope to monitor the digital signals, and a multimeter to measure the analog signals. Use the built-in diagnostic features of the device, such as the built-in self-test (BIST) function.

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PS9121-F3-AX Overview

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Logic IC Output Optocoupler, 1-Channel, 1-Element, 3750V Isolation, 15MBps, LEAD FREE, PLASTIC, SOP-5