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AK4633 Datasheet(PDF) 1 Page - Asahi Kasei Microsystems |
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AK4633 Datasheet(HTML) 1 Page - Asahi Kasei Microsystems |
1 / 82 page ASAHI KASEI [AK4633] MS0447-E-03 2006/04 - 1 - GENERAL DESCRIPTION The AK4633 is a 16-bit mono CODEC with Microphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Automatic Level Control) circuit. Output circuits include a Speaker-Amplifier and Mono Line Output. The AK4633 suits a moving picture of Digital Still Camera and etc. This speaker-Amplifier supports a Piezo Speaker. The AK4633 is housed in a space-saving 24-pin QFN package. FEATURE 1. 16-Bit Delta-Sigma Mono CODEC 2. Recording Function • 1ch Mono Input • 1st MIC Amplifier: 0dB, 6dB, 10dB, 14dB, 17dB, 20dB, 26dB or 32dB • 2nd Amplifier with ALC: +36dB ∼ -54dB, 0.375dB Step, Mute • ADC Performance (MIC-Amp= +20dB): S/(N+D): 84dB, DR, S/N: 85dB • Wind Noise Reduction • Notch Filter 3. Playback Function • Digital ALC (Automatic Level Control): +36dB ∼ -54dB, 0.375dB Step, Mute • Mono Line Output Performance: S/(N+D): 85dB, S/N: 93dB • Mono Speaker-Amp - Speaker-Amp Performance: S/(N+D): 60dB (150mW@ 8 Ω) Output Noise Level: -87dBV - BTL Output - Output Power: 400mW @ 8 Ω • Beep Input 4. Power Management 5. Flexible PLL Mode: • Frequencies: 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin) 1fs (FCK pin) 16fs, 32fs or 64fs (BICK pin) 6. EXT Mode: • Frequencies: 256fs, 512fs or 1024fs (MCKI pin) 7. Sampling Rate: • PLL Slave Mode (FCK 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/EXT Master Mode: 7.35kHz ~ 48kHz (256fs), 7.35kHz ~ 26kHz (512fs), 7.35kHz ~ 13kHz (1024fs) 8. Output Master Clock Frequency: 256fs 9. Serial µP Interface: 3-wire 10. Master / Slave Mode AK4633 16-Bit ∆Σ Mono CODEC with ALC & MIC/SPK-AMP |
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