Cirrus Logic音频IC芯片产品型号搜索
WM8974技术文档下载：
WM8974 - 产品及功能框图：
WM8974 - Codec with Speaker Driver
WM8974是Cirrus Logic公司的一款单声道/立体声编解码器产品，WM8974是Codec with Speaker Driver，本站介绍了WM8974的封装应用图解、特点和优点、功能等，并给出了与WM8974相关的Cirrus Logic元器件型号供参考。
WM8974 - Codec with Speaker Driver - 单声道/立体声编解码器 - 编解码器 - Cirrus Logic
WM8974 - 产品描述
WM8974 - 产品特性
- MonoCodec
- Audiosamplerates:8,11.025,16,22.05,24,32,44.1,48kHz
- DACSNR98dB,THD-84dB(‘A’-weighted@8–48ks/s)
- ADCSNR94dB,THD-83dB(‘A’-weighted@8–48ks/s)
- On-chipHeadphone/SpeakerDriverwith‘cap-less’connect
- 40mWoutputpowerinto16W/3.3VSPKVDD
- BTLspeakerdrive0.9Winto8W/5VSPKVDD
- AdditionalMONOLineoutput
- Multipleanalogor‘Aux’inputs,plusanalogbypasspath
- MicPreamps
- DifferentialorsingleendMicrophoneInterface
- Programmablepreampgain
- Psuedodifferentialinputswithcommonmoderejection
- ProgrammableALC/NoiseGateinADCpath
- Low-noisebiassuppliedforelectretmicrophones
- 5bandEQ(recordorplaybackpath)
- DigitalPlaybackLimiter
- ProgrammableADCHighPassFilter(windnoisereduction)
- ProgrammableADCNotchFilter
- On-chipPLL
- Lowpower,lowvoltage
- 2.5Vto3.6V(digital:1.71Vto3.6V)
- Powerconsumption<10mAall-on48ks/smode
- 4x4x0.9mm24leadQFNpackage
WM8974 - 规格表
| Part | Channels | Dynamic Range (dB) | THD+N (dB) | Sample Rate (kHz) | Analog I/O | Power Supply (V) | Comments | Package |
|---|---|---|---|---|---|---|---|---|
| WM8974 | 1in; 1out | 98DAC; 94ADC | -84DAC; -83ADC | 48 | Differential ADC Single-ended DAC | VA=2.5to5.5; VD=1.71to3.6 | ALC volume control, DSP filters, EQ, PLL | 24 QFN |
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