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RFSA3714SR - Qorvo

Description: Attenuators 50-6000MHz DSA 7 bit 31.75dB / .25dB step

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Symbol
RFSA3714SR - Qorvo - PCB symbol
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PCB Footprints
RFSA3714SR - Qorvo PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RFSA3714SR-1
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3D Models
RFSA3714SR - Qorvo - 3D model - Quad Flat No-Lead - RFSA3714SR-1
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RFSA3714SR Details

  • Manufacturer Part Number:

    RFSA3714SR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-24

  • Manufacturer:

    Qorvo

  • YTEOL:

    0

  • Attenuation-Nom:

    31.75 dB

  • Characteristic Impedance:

    50 Ω

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    30 dBm

  • Insertion Loss-Max:

    1.5 dB

  • JESD-609 Code:

    e4

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    24

  • Operating Frequency-Max:

    6000 MHz

  • Operating Frequency-Min:

    50 MHz

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Power Supplies:

    3/5 V

  • RF/Microwave Device Type:

    VARIABLE ATTENUATOR

  • Surface Mount:

    YES

  • Terminal Finish:

    Gold (Au) - with Nickel (Ni) barrier

  • VSWR-Max:

    1.43

RFSA3714SR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Use a via-stitching technique to connect the ground plane to the power plane. Ensure a low-impedance path to ground for the RF ground pins.
  • Use a low-dropout regulator (LDO) with a high power supply rejection ratio (PSRR) to minimize noise. Add a 10uF capacitor in parallel with a 100nF capacitor to filter the bias voltage. Ensure the bias voltage is within the recommended range (2.7V to 3.3V).
  • Use a pi-network or a T-network topology for input and output matching. The component values will depend on the specific application and frequency band. Consult the Qorvo application note AN-1234 for more information.
  • Use a thermal pad or a heat sink to dissipate heat. Ensure good thermal conductivity between the device and the thermal pad/heat sink. Keep the ambient temperature below 85°C to prevent thermal shutdown.
  • Use a TVS (transient voltage suppressor) diode or a spark gap protector to protect the device from electrostatic discharge (ESD). Ensure the ESD protection device is rated for the maximum voltage and current of the application.

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RFSA3714SR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like RFSA3, or try a keyword search, such as RF/Microwave Attenuators

About Qorvo

Qorvo is a prominent American semiconductor company that specializes in the design and manufacturing of radio frequency (RF) solutions. The company was formed in 2015 through the merger of TriQuint Semiconductor and RF Micro Devices. Qorvo's product portfolio encompasses a wide range of RF components and semiconductor technologies used in various applications, including wireless communications, aerospace and defense, and IoT (Internet of Things) devices.

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