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WM8281ECS/R - Cirrus Logic

Description: Audio DSPs LP Smart Codec w/ANC, Echo Cancel

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Symbol
WM8281ECS/R - Cirrus Logic - PCB symbol
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PCB Footprints
WM8281ECS/R - Cirrus Logic PCB footprint - BGA - BGA - 138 BALL W-CSP PACKAGE 5.855 * 4.555*0.636 MM BODY,0.40 MM BALL PITCH
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3D Models
WM8281ECS/R - Cirrus Logic - 3D model - BGA - 138 BALL W-CSP PACKAGE 5.855 * 4.555*0.636 MM BODY,0.40 MM BALL PITCH
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WM8281ECS/R Details

  • Manufacturer Part Number:

    WM8281ECS/R

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    WCSP-138

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Cirrus Logic

  • YTEOL:

    6

  • Filter:

    YES

  • JESD-30 Code:

    R-PBGA-B138

  • Length:

    5.855 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    138

  • Operating Mode:

    SYNCHRONOUS/ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Seated Height-Max:

    0.681 mm

  • Supply Voltage-Nom:

    1.2 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    PCM CODEC

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Width:

    4.555 mm

WM8281ECS/R Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VDDA, and then VDDIO. This ensures that the internal voltage regulators are powered up correctly.
  • The WM8281ECS/R can be configured using the I2C interface. The device has several registers that control the audio settings, such as gain, mute, and routing. Refer to the datasheet for the register map and configuration details.
  • The maximum power consumption of the WM8281ECS/R is approximately 150mA, depending on the operating mode and audio configuration. Refer to the datasheet for power consumption details.
  • To troubleshoot audio issues, check the audio signal paths, gain settings, and mute controls. Also, verify that the device is properly configured and that the I2C interface is functioning correctly. Use an oscilloscope or audio analyzer to debug the audio signal.
  • Yes, the WM8281ECS/R is compatible with other Cirrus Logic audio codecs, such as the WM5102 and WM8997. However, ensure that the specific audio application and configuration are compatible with the target codec.

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WM8281ECS/R Overview

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