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4257-52 - Peregrine Semiconductor

Description: IC RF SWITCH SPDT 50 OHM 20-QFN

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PCB Footprints
4257-52 - Peregrine Semiconductor PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead 4x4 QFN
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3D Models
4257-52 - Peregrine Semiconductor  - 3D model - Quad Flat No-Lead - 20-Lead 4x4 QFN
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4257-52 Details

  • Manufacturer Part Number:

    4257-52

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, GREEN, QFN-20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.50.70.00

  • Manufacturer:

    pSemi

  • YTEOL:

    6.2

  • 1dB Compression Point:

    31 dBm

  • Additional Feature:

    HIGH ISOLATION

  • Characteristic Impedance:

    50 Ω

  • Construction:

    COMPONENT

  • Input Power-Max (CW):

    32.99 dBm

  • Insertion Loss-Max:

    1.4 dB

  • Isolation-Min:

    40 dB

  • JESD-609 Code:

    e3

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • On Time-Nom:

    2 µs

  • Operating Frequency-Max:

    3000 MHz

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Port Termination:

    ABSORPTIVE

  • Power Supplies:

    3 V

  • RF/Microwave Device Type:

    SPDT

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

4257-52 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the signal traces short and away from the power plane to minimize noise and radiation.
  • Apply a DC bias voltage between 2.5V to 5.5V to the VCC pin, and ensure the input signal is within the recommended common-mode voltage range (0.5V to 4.5V) for optimal linearity.
  • The maximum allowable input signal amplitude is 2Vpp differential, exceeding which may cause distortion and non-linearity.
  • Use a shielded enclosure, keep the device away from high-frequency sources, and ensure good grounding and decoupling. Additionally, use a common-mode choke or ferrite bead on the input lines to reduce EMI.
  • The recommended operating temperature range is -40°C to 85°C. Operating outside this range may affect the device's performance and reliability.

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