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F2250NLGK - Renesas Electronics

Description: The F2250 is a low insertion loss Voltage Variable RF Attenuator (VVA) covers a broad frequency range from 50 MHz to 6000 MHz.  In addition to providing low insertion loss, the F2250 provides excellent linearity performance over its entire voltage control and attenuation range. The device uses a single positive supply voltage of 3.15 V to 5.25 V.  Other features include the VMODE pin allowing either positive or negative voltage control slope vs attenuation and multi-directional operation meaning the RF inpu

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F2250NLGK - Renesas Electronics - PCB symbol
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PCB Footprints
F2250NLGK - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - qfn17
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F2250NLGK - Renesas Electronics - 3D model - Quad Flat No-Lead - qfn17
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F2250NLGK Details

  • Manufacturer Part Number:

    F2250NLGK

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Part Package Code:

    VFQFPN

  • Package Description:

    TQFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    NLG16P2

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7.2

  • Attenuation-Nom:

    35 dB

  • Characteristic Impedance:

    50 Ω

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    30 dBm

  • Insertion Loss-Max:

    1.9 dB

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    16

  • Operating Frequency-Max:

    6000 MHz

  • Operating Frequency-Min:

    50 MHz

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Power Supplies:

    3.3/5 V

  • RF/Microwave Device Type:

    VARIABLE ATTENUATOR

  • Supply Current-Max:

    2 mA

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • VSWR-Max:

    1.33

F2250NLGK Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide for the F2250NLGK, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
  • The F2250NLGK has a built-in overcurrent protection feature, but it's recommended to add external circuitry to detect and respond to overcurrent conditions. A dedicated overcurrent detection IC or a microcontroller-based solution can be used to implement overcurrent protection.
  • The recommended power-up sequence for the F2250NLGK is to first apply the input voltage (VIN) and then the enable signal (EN). This ensures proper startup and prevents unwanted behavior.
  • To optimize the F2250NLGK for low-power modes, use the shutdown mode (SHDN) pin to disable the device when not in use. Additionally, adjust the switching frequency and output voltage to minimize power consumption.
  • Thermal design considerations for the F2250NLGK include providing adequate heat sinking, using thermal vias, and ensuring good airflow around the device. The junction-to-ambient thermal resistance (RθJA) should be minimized to prevent overheating.

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F2250NLGK Overview

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