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WM8985技术文档下载：
WM8985技术文档产品手册下载
WM8985 - 产品及功能框图：
WM8985功能框图
WM8985 Product Datasheet
WM8985 6160 FL32 M REV2 Schematic and Layout
WM8985 6160 FL32 M REV2 Example Configurations
WM8985 Product Flyer
WAN-0129 Decoupling and Layout Methodology for Wolfson DACs, ADCs and CODECs
WAN_0197 Improving the PSRR in Wolfson CODECs
WAN_0140 ALC for Portable Applications
WAN_0178 Suggested ALC Settings for Portable Devices
Class D Amplifiers Empower Mobile Multimedia
Class D Basics
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Cirrus Logic产品 - WM8985介绍

WM8985 - Codec with Class D Headphone Driver

WM8985是Cirrus Logic公司的一款单声道/立体声编解码器产品，WM8985是Codec with Class D Headphone Driver，本站介绍了WM8985的封装应用图解、特点和优点、功能等，并给出了与WM8985相关的Cirrus Logic元器件型号供参考。

WM8985 - Codec with Class D Headphone Driver - 单声道/立体声编解码器 - 编解码器 - Cirrus Logic

WM8985 - 产品描述
WM8985 - 产品特性
StereoCodec:
  • DACSNR98dB,THD-84dB(‘A’weighted@48kHz)
  • ADCSNR92.5dB,THD-83dB(‘A’weighted@48kHz)
  • Headphonedriverwith‘capless’option
  • 40mW/channeloutputpowerinto16ohm/3.3VAVDD2
  • ClassDheadphonedriver
  • ClassABheadphone/lineDriver
  • PSRR70dBat217Hz
  • Stereo,monoordifferentiallineoutput
MicPreamps:
  • Stereodifferentialormonomicrophoneinterfaces
  • Programmablepreampgain
  • Pseudodifferentialinputswithcommonmoderejection
  • ProgrammableALC/NoiseGateinADCpath
  • Low-noisebiassuppliedforelectretmicrophones
Otherfeatures:
  • Enhanced3-Dfunctionforimprovedstereoseparation
  • Digitalplaybacklimiter
  • 5-bandEqualizer(recordorplayback)
  • ProgrammableADCHighPassFilter(windnoisereduction)
  • ProgrammableADCNotchFilter
  • Auxinputsforstereoanaloginputsignalsor‘beep’
  • PLLsupportingvariousclocksbetween8MHz-50MHz
  • Sampleratessupported(kHz):8,11.025,16,12,16,22.05,24,32,44.1,48
  • Lowpower,lowvoltage
  • 2.5Vto3.6Vanalogsupplies
  • 1.71Vto3.6Vdigitalsupplies
  • 5x5mm32-leadQFNpackage
WM8985 - 规格表
PartChannelsDynamic Range (dB)THD+N (dB)Sample Rate (kHz)Analog I/OPower Supply (V)CommentsPackage
WM89852in;
2out		98DAC;
92.5ADC		-84DAC;
-84ADC		48DifferentialVA=2.5to3.6;
VD=1.71to3.6		EQ, 3D, DSP filters, MIC interface ALC, HP amp, PLL32 QFN
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