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AK4523 Datasheet(PDF) 1 Page - Asahi Kasei Microsystems |
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AK4523 Datasheet(HTML) 1 Page - Asahi Kasei Microsystems |
1 / 20 page ASAHI KASEI [AK4523] M0021-E-03 1999/12 - 1 - GENERAL DESCRIPTION The AK4523 has a dynamic range of 100dB and is well-suited middle-range MD, surround system, musical instruments and car audio. Signal inputs and outputs are single-ended. The DAC outputs are analog filtered to remove out of band noise. External components are minimized. FEATURES o DS Stereo ADC - 64x Oversampling - Sample Rate Ranging from 16kHz to 48kHz - S/(N+D): 92dB - Dynamic range, S/N: 100dB - Digital HPF for offset cancellation o DS Stereo DAC - 128x Oversampling - Sampling Rate Ranging from 16kHz to 48kHz - 2nd order SCF + 2nd order CTF - Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling - S/(N+D): 90dB - Dynamic Range, S/N: 100dB - Soft Mute o High Jitter Tolerance o Master Clock: 256fs, 384fs, 512fs o Analog Power Supply: 4.5 to 5.5V, Digital Power Supply: 3.0 to 5.5V VA AGND VD DGND CMODE AINL+ AINL- AINR+ AINR- VREFH VCOM AOUTL AOUTR MCKI LRCK SCLK SDTO SDTI DIF0 DIF1 SMUTE DEM1 DEM0 PD Modulator DS Modulator DS Filter Decimation Filter Decimation HPF HPF Common Voltage LPF LPF Modulator DS Modulator DS Interpolator 8x Interpolator 8x Serial I/O Interface Clock Divider 20Bit Stereo DS ADC & DAC AK4523 |
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