Cirrus Logic音频IC芯片产品型号搜索
WM8978技术文档下载：
WM8978 - 产品及功能框图：
WM8978 - Codec with Speaker Driver
WM8978是Cirrus Logic公司的一款单声道/立体声编解码器产品，WM8978是Codec with Speaker Driver，本站介绍了WM8978的封装应用图解、特点和优点、功能等，并给出了与WM8978相关的Cirrus Logic元器件型号供参考。
WM8978 - Codec with Speaker Driver - 单声道/立体声编解码器 - 编解码器 - Cirrus Logic
WM8978 - 产品描述
WM8978 - 产品特性
StereoCodec:- DACSNR98dB,THD-84dB(’A’weighted@48kHz)
- ADCSNR95dB,THD-84dB(’A’weighted@48kHz)
- On-chipHeadphoneDriverwith’capless’option
- 40mWoutputpowerinto16W/3.3VSPKVDD
- 1Woutputpowerinto8WBTLspeaker/5VSPKVDD
- Capableofdrivingpiezospeakers
- Stereospeakerdriveconfiguration
- StereoDifferentialormonomicrophoneInterfaces
- Programmablepreampgain
- Psuedodifferentialinputswithcommonmoderejection
- ProgrammableALC/NoiseGateinADCpath
- Low-noisebiassuppliedforelectretmicrophones
- Enhanced3-Dfunctionforimprovedstereoseparation
- Digitalplaybacklimiter
- 5-bandEqualizer(recordorplayback)
- ProgrammableADCHighPassFilter(windnoisereduction)
- ProgrammableADCNotchFilter
- Auxinputsforstereoanaloginputsignalsorbeep
- On-chipPLLsupporting12,13,19.2MHzandotherclocks
- Lowpower,lowvoltage
- 2.5Vto3.6V(digitalcore:1.62Vto3.6V)
- 5x5mm32-pinQFNpackage
WM8978 - 规格表
| Part | Channels | Dynamic Range (dB) | THD+N (dB) | Sample Rate (kHz) | Analog I/O | Power Supply (V) | Comments | Package |
|---|---|---|---|---|---|---|---|---|
| WM8978 | 2in; 2out | 98DAC; 95ADC | -84DAC; -84ADC | 48 | Differential | VA=2.5to5.5; VD=1.7to3.6 | EQ, 3D, DSP filters, MIC interface ALC, HP/speaker amps, PLL | 32 QFN |
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