AK4564VQ
AK4564VQ Datasheet
[AK4564]
| Part | Datasheet |
|---|---|
AK4564VQ |
AK4564VQ (pdf) |
| PDF Datasheet Preview |
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| ASAHI KASEI [AK4564] AK4564 16bit CODEC with built-in ALC and MIC/HP/SPK-Amp The AK4564 is a 16bit stereo CODEC with a built-in Microphone-Amp, Headphone-Amp and Speaker-Amp. AK4564 has new recording features, a digital equalizer for microphone inputs and a digital ALC Automatic Level Control . The playback features also include LINEOUT-Amp, digital volume, Headphone-Amp and Speaker-Amp. The AK4564 suits a portable application with a built-in LCD and etc. The AK4564 is housed in a space-saving 48pin LQFP package. Resolution 16bits Recording Function: • 4-Input Selector Internal MIC, External MIC, LINE x 2 • Pre-Amp • Digital EQ/HPF/LPF • Digital ALC Automatic Level Control circuit • FADEIN / FADEOUT • Digital HPF for offset cancellation • Enable mixing of BEEP signal Playback Function • Digital De-emphasis Filter tc = 50/15µs, fs = 32kHz, 44.1kHz and 48kHz • LINEOUT-Amp • Digital Volume 0dB ~ - 65.25dB, Mute • Headphone-Amp - Po 5.3mW 16 AVDD = 2.8V • Speaker-Amp with built-in ALC - BTL Output - Po 80mW 8 • Enable mixing of BEEP signal Power Management ADC characteristics LIN ADC • S/ N+D 87dB, DR=S/N 90dB DAC characteristics DAC LINEOUT-Amp • S/ N+D 82dB, DR=S/N 88dB Master Clock 256fs/384fs Sampling Rate 8kHz ~50kHz Audio Data Interface Format MSB-First, 2’s compliment • ADC, DAC 16bit MSB justified, 16bit LSB justified, I2S Ta = -20 ~ 85 °C Power Supply Voltage • CODEC, Speaker-Amp ~ 3.6V • MIC/Headphone/LINEOUT-Amp ~ 5.5V Power Supply Current • All Power On 30.5mA Package 48pin LQFP, 0.5mm Pitch MS0140-E-01 -1- 2002/07 ASAHI KASEI LIN1 LIN2 BEEP1 RIN2 RIN1 [AK4564] INTL EXTL MPWR MRF MVDD MVSS Pre-Amp MIC Power Supply AVDD AVSS VCOM MUTE HVDD HVCM MUTET HPL HPR SVDD SVSS HPP SPKP ALC2 Pre-Amp EQ LPF HPF ALC1 Audio I/F Controller OATT AOUTP2 +2dBV AOUTP1 +2dBV Control Register I/F Power Management BEEP2 LOUT2 ROUT2 LOUT1 ROUT1 CSN CCLK CDTI Figure AK4564 block diagram INTR EXTR MCLK LRCK BCLK SDTI SDTO DVDD DVSS n Ordering Guide AK4564VQ AKD4564 n Pin layout -20 ~ +85°C 48pin LQFP 0.5mm pitch Evaluation board for AK4564 [AK4564] PREOR PRENR EXTR INTR MVSS MVDD MPWR INTL EXTL PRENL PREOL MUTE SVDD SVSS BCLK MCLK LRCK CDTI CCLK AK4564 Top View BEEP1 MOUT VCOM AVDD AVSS HVCM MUTET HVDD BEEP2 LOUT2 22 ROUT2 RIN2 LIN2 ROUT1 |
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