AK4631

www.DataSheet4U.com ASAHI KASEI [AK4631] AK4631 16-Bit ∆Σ Mono CODEC with ALC & MIC/SPK-AMP AK4631 ALC(Automatic Level Control) QFN 16bit CODEC DSC 28pin 1. 16-Bit Delta-Sigma Mono CODEC 2. 1ch Mono Input (0dB, 20dB, 26dB or 32dB) ALC IPGA (-8dB ∼ +27.5dB, 0.5dB Step) ADC : S/(N+D) : 80dB, DR, S/N : 85dB 3. Digital Volume (+12dB ∼ -115dB, 0.5dB Step, Mute) Mono Line Output: S/(N+D) : 85dB, S/N : 93dB Mono Speaker-Amp - SPK-AMP : S/(N+D) : 50dB, S/N : 90dB (240mW@ 8Ω, ) - BTL - ALC(Automatic Level Control) : 250mW @ 8Ω&SVDD=3.3V 3.0Vrms@SVDD=5V Beep 4. 5. PLL Mode: : 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin) 1fs (FCK pin) 16fs, 32fs or 64fs (BICK pin) 6. EXT Mode: : 256fs, 512fs or 1024fs (MCKI pin) 7. Sampling Rate: PLL Slave Mode (FCK pin) : 7.35kHz ~ 26kHz 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) 8. Output Master Clock Frequency: 256fs 9. µP :3 10. / MS0317-J-01 -1- 2004/11 ASAHI KASEI [AK4631] 11. Audio Interface Format: MSB First, 2’s compliment ADC: DSP Mode, 16bit , I2S DAC: DSP Mode, 16bit , , I2S 12. Ta = -10 ∼ 70°C 13. CODEC: 2.6 ∼ 3.6V (typ. 3.3V) Speaker-Amp : 2.6 ∼ 5.25V (typ. 3.3V/5.0V) 14. : 16 mA 15. Package: 28pin QFN 16. ...