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Home > Mixed Signal IC's > Audio Converter > CODEC > AK4651
AK4651
Low Power 1ch ADC & 2ch DAC with AC-Link and MIC/HP/SPK-Amp
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- Resolution: 16bits
- .Recording Function
· Mono Input (Single-ended or Differential Input)
· 2 to 1 Selector (Internal and External MIC)
· MIC Power: 2 outputs (Internal and External MIC)
· 1st MIC Amplifier: +20dB or 0dB
· 2nd Amplifier with ALC: +27.5dB ~ -8dB, 0.5dB Step
· ADC Performance (@MIC-Amp=+20dB): S/(N+D): 75dB, DR, S/N: 83dB
· MIC Detection
- .Playback Function
· Digital De-emphasis Filter (tc=50/15ms, fs=32kHz, 44.1kHz, 48kHz)
· Digital Volume (0dB ~ -63dB, 0.5dB Step, Mute)
· Bass Boost
· Mono Output
 - Full-differential Output
- S/(N+D): 85dB, S/N: 95dB
- Analog Volume: +6dB ~ -15dB, 3dB Step
· Headphone-Amp
- Output Power: 40mW@16O (HVDD=3.3V)
- S/(N+D): 60dB@10mW, S/N: 90dB
· Headphone Jack Detection
· Mono Speaker-Amp
- Output Power: 300mW@8Ω (HVDD=3.3V, ALC2=OFF)
- S/(N+D): 55dB@110mW, S/N: 90dB
- BTL Output
- ALC (Auto Level Control) circuit
· Mono Beep Input
· AUX Input
- Full-differential Input
- Analog Volume: +12dB ~ -34.5dB, 1.5dB Step, Mute
· Stereo Line Input
- Single-ended Input
- Analog Volume: +12dB ~ -34.5dB, 1.5dB Step, Mute
- System Clock: 24.576MHz, 12MHz, 3.6864MHz
- Sampling Rate: 48kHz, 44.1kHz, 32kHz, 24kHz, 22.05kHz, 16kHz, 11.025kHz, 8kHz
- Power Management
- Audio & Control I/F: AC-Link I/F
- Ta = -30 ~ 85°C
- Power Supply: 2.7V ~ 3.6V (typ. 3.3V)
- Package: 57pin BGA (5mm x 5mm)
- AK4650 Pin Compatible
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AK4651 BLOCK DIAGRAM
Data Sheet PDF
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Data Sheets
Rev. MS0503-E-00 2006/04
PDF : 584KB / 66pages
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