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CS4954-CQZ - Cirrus Logic

Description: NTSC/PAL Digital Video Encoder

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CS4954-CQZ - Cirrus Logic PCB footprint - Other - Other - QFP50P900X900X160-48N
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CS4954-CQZ Details

  • Manufacturer Part Number:

    CS4954-CQZ

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFP

  • Package Description:

    LEAD FREE, MS-026, TQFP-48

  • Pin Count:

    48

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Cirrus Logic

  • YTEOL:

    0

  • Additional Feature:

    IT CAN ALSO BE OPERATED FROM 4.75V TO 5.25V SUPPLY

  • Consumer IC Type:

    COLOR SIGNAL ENCODER

  • Input Type:

    R-Y; B-Y; Y

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Supply Current-Max:

    150 mA

  • Supply Voltage-Max (Vsup):

    3.45 V

  • Supply Voltage-Min (Vsup):

    3.15 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Video Standard:

    PAL; NTSC

  • Width:

    7 mm

CS4954-CQZ Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the analog power supplies (AVCC and DVCC). This ensures proper device operation and prevents latch-up.
  • To optimize performance in a noisy environment, ensure proper grounding and shielding of the device, use a low-pass filter on the analog input, and consider using a ferrite bead or common-mode choke on the power supply lines.
  • The maximum allowed capacitance on the analog input pins is 10nF. Exceeding this value may affect the device's performance and stability.
  • Yes, the CS4954-CQZ can be used with separate analog and digital power supplies. However, ensure that the analog power supply (AVCC) is decoupled from the digital power supply (DVCC) using a ferrite bead or inductor to prevent noise coupling.
  • The recommended layout and routing for the CS4954-CQZ involves keeping analog and digital traces separate, using a solid ground plane, and minimizing trace lengths and vias. Refer to the datasheet for more detailed guidelines.

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CS4954-CQZ Overview

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