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AK4633 Datasheet(PDF) 1 Page - Asahi Kasei Microsystems

Part # AK4633
Description  16-Bit Mono CODEC with ALC & MIC/SPK-AMP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4633 Datasheet(HTML) 1 Page - Asahi Kasei Microsystems

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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
• 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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