PDF AKD4589 Data sheet ( Hoja de datos )

Número de pieza	AKD4589
Descripción	2/8-Channel Audio CODEC
Fabricantes	Asahi Kasei Microsystems
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No Preview Available ! ASAHI KASEI [AK4589] AK4589 2/8-Channel Audio CODEC with DIR GENERAL DESCRIPTION The AK4589 is a single chip CODEC that includes two channels of ADC and eight channels of DAC. The ADC outputs 24bit data and the DAC accepts up to 24bit input data. The ADC has the Enhanced Dual Bit architecture with wide dynamic range. The DAC introduces the new developed Advanced Multi-Bit architecture, and achieves wider dynamic range and lower outband noise. The AK4589 has a dynamic range of 102dB for ADC, 114dB for DAC and is well suited for digital surround for home theater audio. The AK4589 also has the balance volume control corresponding to the Dolby Digital (AC-3) system. The also has digital audio receiver (DIR) and transmitter (DIT) compatible with 192kHz, 24bits. The DIR has 8-channel input selector and can automatically detect a Non-PCM bit stream. The AK4589 provides a compatibility of hardware and software with the AK4588. Dolby Digital (AC-3) is a trademark of Dolby Laboratories. www.DataSheet4U.com FEATURES ADC/DAC part • 2ch 24bit ADC - 64x Oversampling - Sampling Rate up to 96kHz - Linear Phase Digital Anti-Alias Filter - Single-Ended Input - S/(N+D): 92dB - Dynamic Range, S/N: 102dB - Digital HPF for offset cancellation - Overflow flag • 8ch 24bit DAC - 128x Oversampling - Sampling Rate up to 192kHz - 24bit 8 times Digital Filter - Differential Outputs - On-chip Switched-Capacitor Filter - S/(N+D): 94dB - Dynamic Range, S/N: 114dB - Individual channel digital volume with 128 levels and 0.5dB step - Soft mute - De-emphasis for 32kHz, 44.1kHz, 48kHz - Zero Detect Function • High Jitter Tolerance • Extenal Master Clock Input: - 256fs, 384fs, 512fs (fs=32kHz ∼ 48kHz) - 128fs, 192fs, 256fs (fs=64kHz ∼ 96kHz) - 128fs (fs=120kHz ∼ 192kHz) MS0339-E-00 -1- 2004/09 1 page ASAHI KASEI [AK4589] Compatibility with AK4588 Functions AK4588 AK4589 DAC output Single end Differentianl DAC S/(N+D) 90dB 94dB DAC S/N 106dB 114dB DAC Output voltage Typ 3.0Vpp Typ ±2.7Vpp DAC AOUT AOUT=0.6xVREFH AOUT=0.54xVREFH Load Resistance 5k ohm 2k ohm Frequency Response 80kHz ±1.0 +0/-0.6 Output pin #35,#37, #39,#41,#43,#45,#47,#49 #35 - #50 Power Supply voltage Min=4.5V, Max=5.5V Min=4.75V, Max=5.25V () The AK4589 has two register maps including ADC/DAC part (compatible with the AK4588) and DIR/DIT part (compatible with AK4588). Each register is selected by Chip Address. www.DataSheet4U.com MS0339-E-00 -5- 2004/09 5 Page ASAHI KASEI [AK4589] ANALOG CHARACTERISTICS (Ta=25°C; AVDD, DVDD, PVDD, TVDD=5V; AVSS, DVSS=0V; VREFH=AVDD; fs=48kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz∼20kHz at fs=48kHz, 20Hz~40kHz at fs=96kHz; 20Hz~40kHz at fs=192kHz, unless otherwise specified) Parameter min typ max Units ADC Analog Input Characteristics Resolution S/(N+D) DR (-0.5dBFS) (-60dBFS) S/N (Note 5) Interchannel Isolation fs=48kHz fs=96kHz fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 24 Bits 84 92 dB - 86 dB 94 102 dB 88 96 dB 93 102 dB 93 102 dB 88 96 dB 93 102 dB 90 110 dB DC Accuracy Interchannel Gain Mismatch 0.2 0.3 dB Gain Drift 20 - ppm/°C Input Voltage AIN=0.62xVREFH 2.90 3.10 3.30 Vpp Input Resistance fs=48kHz 15 25 kΩ fs=96kHz 9 16 kΩ Power Supply Rejection (Note 7) 50 dB DAC Analog Output Characteristics Resolution 24 Bits S/(N+D) DR S/N www.DataSheet4U.com (-60dBFS) (Note 8) fs=48kHz fs=96kHz fs=192kHz fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted fs=192kHz fs=192kHz, A-weighted fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted fs=192kHz fs=192kHz, A-weighted 86 94 84 92 - 92 104 114 98 108 104 114 - 108 114 104 114 98 108 104 114 - 108 - 114 dB dB dB dB dB dB dB dB dB dB dB dB dB Interchannel Isolation 90 100 dB DC Accuracy Interchannel Gain Mismatch 0.2 0.5 dB Gain Drift Output Voltage AOUT=0.54xVREFH 20 - ppm/°C ±2.5 ±2.7 ±2.9 Vpp Load Resistance Power Supply Rejection (AC Load) (Note 6) (Note 7) 2 50 kΩ dB Power Supplies Power Supply Current Normal Operation (PDN = “H”) AVDD fs=48kHz,fs=96kHz fs=192kHz PVDD DVDD+TVDD fs=48kHz fs=96kHz fs=192kHz Power-down mode (PDN pin = “L”) (Note 9) (Note 10) (Note 11) 70 98 mA 57 80 mA 12 17 mA 44 62 mA 57 80 mA 68 95 mA 0.1 1 mA MS0339-E-00 - 11 - 2004/09 11 Page

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