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AK4665A
20位低能耗立体声编码译码器配有充电泵，适用于DC基准的耳机输出
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- Application: Mobile phone, Smart-phone, Music player, PMP
- 2ch 20bit ADC
- Mono MIC-Amp: +30dB/+6dB/0dB/-6dB
- Single-ended Input
- Input Selector
- Digital ALC: +41.25dB ~ -54dB, 0.375dB Step, Mute
- Digital HPF for DC-offset cancellation
- I/F format: 20bit MSB justified, I²S
- S/N: 93dB
- 2ch 20bit DAC
- Digital ATT: 0dB ~ -127dB, Mute, 0.5dB step (soft transition)
- Soft Mute
- Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
- Bass Boost
- I/F Format: I²S, 20bit MSB justified, 20bit/16bit LSB justified
- Sampling Rate: 8kHz ~ 48kHz
- System clock: 256fs/384fs/512fs
- Analog Mixing Circuit
- Stereo Lineout
- ALC: +19.5dB ~ -12dB, 0.5dB step
- Analog Volume: 0dB ~ -30dB, Mute, 2dB step
- Capless Stereo Headphone Amplifier
-Output Power: 31mW x 2ch @16Ω
-Line output mode: 1Vrms @10kΩ
- Charge pump circuit for negative power supply
- S/N: 88dB
- μP Interface: 3-wire
- Power Management
- Power Supply:
- AVDD, DVDD, HVDD: 2.6V ~ 3.6V
- TVDD (Digital I/O): 1.6V ~ 3.6V
- Low Power Dissipation
- Ta: -30 ~ 85°C
- Small Package: 32pin QFN (5mm x 5mm)
- Evaluation Board: AKD4665A\
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AK4665A BLOCK DIAGRAM
Data Sheet PDF
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Data Sheets
Rev. MS0440-E-01 2006/05
PDF : 523KB / 52pages
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Evalution Board Manual
Rev. KM082201 2006/05
PDF : 876KB / 39pages |
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