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AK4650
AC-Link Low Power Audio CODEC with MIC/HP/SPK-Amps and Touch Screen Controller
- 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@16Ω (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
- Touch Screen Controller
· Two Auxiliary Analog Inputs
· Pen Pressure Measurement
· Direct Battery Measurement
· On-Chip Voltage Reference (2.5V)
· 12 bit SAR type A/D Converter
- System Clock: 24.576MHz, 12MHz, 3.6864MHz
- Sampling Rate: 48kHz, 44.1kHz, 32kHz, 24kHz, 22.05kHz, 16kHz, 11.025kHz, 8kHz
- Power Management
- Audio, Touch Screen & 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)
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AK4650 BLOCK DIAGRAM
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Download Datasheet
AK4650
April 2007 |
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Download Eva.Board Manual
AKD4650
October 2005 |
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