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AK4683
96kHz/192kHz，2声道ADC和4声道DAC配有DIT/DIR、输入选择器及耳机放大器
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- Asynchronous ADC/DAC Operation
- 6:1 Input Selector with Pre-amp
- 2ch 24bit ADC
· 64x Oversampling
· Sampling Rate up to 96kHz
· Linear Phase Digital Anti-Alias Filter
· Single-Ended Input
· S/(N+D): 90dB
· Dynamic Range, S/N: 100dB
· Digital HPF for Offset Cancellation
· Channel Independent Digital Volume (+24/-103dB, 0.5dB/step)
· Soft Mute
· Overflow Flag
- 4ch 24bit DAC
· 128x Oversampling
· Sampling Rate up to 192kHz
· 24bit 8 times Digital Filter
· Single-Ended Outputs
· S/(N+D): 90dB
· Dynamic Range, S/N: 106dB
· Channel Independent Digital Volume (+12/-115dB, 0.5dB/step)
· Soft Mute
· De-emphasis Filter (32kHz, 44.1kHz, 48kHz)
· Zero Detect Function
- Stereo Headphone Amp with Volume (50mW at 16ohm)
- High Jitter Tolerance
- 24bit 192kHz DIR & DIT
· AES3, IEC60958, S/PDIF, EIAJ CP1201 Compatible
· Low jitter Analog PLL
· PLL Lock Range : 32kHz to 192kHz
· Clock Source: PLL or X'tal
· 4-channel Receiver input
· 1-channel Transmission output (Through output or DIT)
· Auxiliary digital input
· De-emphasis for 32kHz, 44.1kHz, 48kHz and 96kHz
· Detection Functions
 - Non-PCM Bit Stream Detection
- DTS-CD Bit Stream Detection
- Sampling Frequency Detection
(32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz)
- Unlock & Parity Error Detection
- Validity Flag Detection
· Up to 24bit Audio Data Format
· 40-bit Channel Status Buffer
· Burst Preamble bit Pc and Pd Buffer for Non-PCM bit stream
· Q-subcode Buffer for CD bit stream
- TTL Level Digital I/F
- External Master Clock Input:
· 256fs, 384fs, 512fs (fs=32kHz~48kHz)
· 128fs, 192fs, 256fs (fs=64kHz~96kHz)
· 128fs (fs=120kHz~192kHz)
- Master Clock Output: 128fs/256fs/384fs/512fs
- 2 Audio Serial I/F: PORTA, PORT B
· Master/Slave mode
· I/F format
- PORT A: Left/Right (20/24 bit) justified, I2S, TDM
- PORT B: Left/Right (20/24 bit) justified, I2S
- 4-wire Serial and I2C Bus µP I/F for mode setting
- Operating Voltage: 4.5 to 5.5V with 5V tolerance
- Power Supply for output buffer: 2.7 to 5.5V
- 64pin LQFP Package (0.5mm pitch)
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AK4683 BLOCK DIAGRAM
Data Sheet PDF
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Data Sheets
Rev. MS0427-E-02 2007/04
PDF : 1091KB / 84pages
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Evalution Board Manual
Rev. KM080901 2006/05
PDF : 1300KB / 55pages |
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