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AK4642EN
16位立体声编码译码器配有麦克风、扬声器和耳机放大器；减少风噪声滤波器
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- Recording Function
· Stereo Mic Input (Full-differential or Single-ended)
· Stereo Line Input
· MIC Amplifier (+32dB/+26dB/+20dB or 0dB)
· Digital ALC (Automatic Level Control)
(+36dB ~ -54dB, 0.375dB Step, Mute)
· ADC Performance: S/(N+D): 83dB, DR, S/N: 86dB (MIC-Amp=+20dB)
S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=0dB)
· Wind-noise Reduction Filter
· Stereo Separation Emphasis
- Playback Function
· Digital De-emphasis Filter (tc=50/15µs, fs=32kHz, 44.1kHz, 48kHz)
· Digital Volume (+12dB ~ -115.0dB, 0.5dB Step, Mute)
· Digital ALC (Automatic Level Control)
(+36dB ~ -54dB, 0.375dB Step, Mute)
· Stereo Separation Emphasis
· Stereo Line Output
- Performance: S/(N+D): 88dB, S/N: 92dB
· Stereo Headphone-Amp
- S/(N+D): 70dB, S/N: 90dB
- Output Power: 62mW@16Ω (HVDD=3.3V)
- Pop Noise Free at Power ON/OFF
· Mono Speaker-Amp
- BTL Output
- Availbable for both Dynamic and Piezo Speaker
- Output Power: 400mW@8Ω (HVDD=3.3V)
3.0Vrms@50Ω (HVDD=5V)
· Beep Input
- Power Management
- Master Clock:
(1) PLL Mode
· Frequencies:
11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
1fs (LRCK pin)
32fs or 64fs (BICK pin)
(2) External Clock Mode
· Frequencies: 256fs, 512fs or 1024fs (MCKI pin)
- Output Master Clock Frequencies: 32fs/64fs/128fs/256fs
- Sampling Rate:
· PLL Slave Mode (LRCK pin): 7.35kHz ~ 48kHz
· PLL Slave Mode (BICK pin): 7.35kHz ~ 48kHz
· PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
· PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
· EXT Slave Mode:
7.35kHz ~ 48kHz (256fs), 7.35kHz ~ 26kHz (512fs), 7.35kHz ~ 13kHz (1024fs)
- µP I/F: 3-wire Serial, I2C Bus
- Master/Slave mode
- Audio Interface Format: MSB First, 2’s compliment
· ADC: 16bit MSB justified, I2S
· DAC: 16bit MSB justified, 16bit LSB justified, I2S
- Ta = -30 ~ 85°C (SPK-Amp=OFF)
-30 ~ 70°C (SPK-Amp=ON)
- Power Supply:
· AVDD, DVDD: 2.6 ~ 3.6V (typ. 3.3V)
· HVDD: 2.6 ~ 5.25V (typ. 3.3V/5.0V)
- Package: 32pin QFN (5mm x 5mm, 0.5mm pitch)
- Register Upper-Compatible with Mono CODEC (AK4536/4630/4631)
- Evaluation Board: AKD4642EN
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AK4642EN BLOCK DIAGRAM
Data Sheet PDF
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Data Sheets
Rev. MS0420-E-00 2005/09
PDF :647KB / 83pages
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Evalution Board Manual
Rev. KM079300 2005/06
PDF : 604KB / 35pages |
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