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WM8994ECS/R - Cirrus Logic

Description: Interface - CODECs mobile multimedia low-power HiFi Codec

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Symbol
WM8994ECS/R - Cirrus Logic - PCB symbol
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PCB Footprints
WM8994ECS/R - Cirrus Logic PCB footprint - BGA - BGA - W-CSP-72
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3D Models
WM8994ECS/R - Cirrus Logic - 3D model - BGA - W-CSP-72
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WM8994ECS/R Details

  • Manufacturer Part Number:

    WM8994ECS/R

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    WCSP-72

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    24 Weeks

  • Manufacturer:

    Cirrus Logic

  • YTEOL:

    6

  • Companding Law:

    A/MU-LAW

  • Filter:

    YES

  • JESD-30 Code:

    R-PBGA-B72

  • Length:

    4.511 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    72

  • Operating Mode:

    SYNCHRONOUS

  • 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:

    0.785 mm

  • Supply Voltage-Nom:

    1 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Telecom IC Type:

    PCM CODEC

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

  • Width:

    4.023 mm

WM8994ECS/R Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDDIO, followed by VDD, and then VDDD. This ensures that the internal voltage regulators are powered up in the correct order.
  • The WM8994ECS/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 WM8994ECS/R depends on the operating mode and the audio configuration. According to the datasheet, the maximum power consumption is around 120mW in the highest power mode.
  • To troubleshoot audio issues, check the audio signal paths, gain settings, and mute configurations. Also, verify that the device is properly powered and that the I2C interface is functioning correctly. Use an oscilloscope or a logic analyzer to debug the audio signals and I2C transactions.
  • The WM8994ECS/R is designed to operate with a 1.8V to 3.3V voltage supply. While it may be possible to use the device with a different voltage supply, it is not recommended as it may affect the device's performance and reliability.

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WM8994ECS/R Overview

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