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F1240NBGI - Renesas Electronics

Description: The IDT F1240 IF VGA featuring FlatNoise™ technology improves system SNR, especially at lower gain settings. By keeping both IP3O & NF flat while gain is backed off, the system SNR is improved significantly under high level interferer conditions, especially when considering alias noise in an IF sampling receiver. The fast-settling, parallel mode gain step of 0.50 dB coupled with the excellent differential non-linearity allow for SNR to be maximized further by targeting the minimum necessary gain in small, a

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F1240NBGI - Renesas Electronics - PCB symbol
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PCB Footprints
F1240NBGI - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NBG32P2-
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3D Models
F1240NBGI - Renesas Electronics - 3D model - Quad Flat No-Lead - NBG32P2-
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F1240NBGI Details

  • Manufacturer Part Number:

    F1240NBGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Part Package Code:

    VFQFPN

  • Pin Count:

    32

  • Manufacturer Package Code:

    NBG32P2

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • RF/Microwave Device Type:

    VARIABLE GAIN AMPLIFIER

  • Terminal Finish:

    Matte Tin (Sn)

F1240NBGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) documents, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
  • The F1240NBGI has a built-in overcurrent protection feature, but it's not enabled by default. To implement overcurrent protection, you need to set the OCP (OverCurrent Protection) pin high and configure the OCP threshold using the I2C interface.
  • Although the datasheet specifies a maximum VCC voltage of 5.5V, Renesas recommends limiting the voltage to 5.25V during power-up to ensure reliable operation and prevent damage to the device.
  • To troubleshoot I2C communication issues, check the I2C bus voltage levels, ensure correct pin connections, and verify the I2C clock frequency. You can also use I2C bus analyzers or logic analyzers to debug the communication protocol.
  • Renesas recommends a power-up sequence of VCC first, followed by VDD, and then the input voltage (VIN). This sequence helps prevent latch-up and ensures reliable operation.

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