Страница 1: ...digital audio system via opt connector Ordering guide AKD4127 A AK4127 Evaluation Board FUNCTION DIR DIT with optical input output 10pin Header for AKM AD DA evaluation board Opt In AK4114 10pin Heade...
Страница 2: ...ion mode 1 Setting for Input port 1 When using DIR function of AK4114 U3 When using PORT1 DIR or J1 COAX nothing should be connected to PORT2 INPUT JP2 IBICK JP3 SDTI JP4 ILRCK SW3 setting See Table 1...
Страница 3: ...4 H L L 32fsi Note 3 5 H L H 64fsi 6 H H L 128fsi Manual 7 Slave IMCLK DVSS IBICK Input ILRCK Input H H H 8k 216kHz Note 2 64fsi Not needed Semi Auto 8 L L L 8k 216kHz 128fs 9 L L H 8k 108kHz 256fs 10...
Страница 4: ...1 When using DIT function of AK4114 U4 When using PORT4 DIT or J2 TX nothing should be connected to PORT3 OUTPUT When BICK and LRCK frequencies are changed the value of X tal X1 frequency should be c...
Страница 5: ...Table 6 SW4 Setting Mode ODIF1 ODIF0 SDTO Format 0 L L LSB justified 1 L H Reserved 2 H L MSB justified 3 H H I2 S Compatible Table 7 Output Audio Interface Format 1 Output PORT Mode CMODE2 CMODE1 CM...
Страница 6: ...ncy should be changed 3 JP8 TX Select of TX output BNC BNC connector J2 output OPT Optical PORT4 output Default The function of the toggle SW Upper side is H and lower side is L SW1 PDN Resets the AK4...
Страница 7: ...FSI 44 1kHz 48kHz FSO FSI 48kHz 44 1kHz FSO FSI 48kHz 192kHz FSO FSI 192kHz 48kHz Worst Case FSO FSI 32kHz 176 4kHz 130 4 125 0 136 9 124 7 96 1 130 4 125 0 136 9 124 7 96 1 dB dB dB dB dB Dynamic Ran...
Страница 8: ...130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Fig 6 FFT Plot Input Level 0 dBFS AK4127 FFTPlot fsi 48 KHz fso 44 1 KHz AVDD DVDD 3 3 V Input Level 60 dBFS fi...
Страница 9: ...20 10 dBFS 180 100 175 170 165 160 155 150 145 140 135 130 125 120 115 110 105 d B F S Fig1 THD N vs Input Level AK4127 THD N vs Input Frequency fsi 48 KHz fso 44 1 KHz AVDD DVDD 3 3 V Input Level 0 d...
Страница 10: ...500 1k 2k 5k 10k Hz 180 100 175 170 165 160 155 150 145 140 135 130 125 120 115 110 105 d B F S Fig 3 THD N vs Input Frequency Input Level 60 dBFS AK4127 Linearity fsi 48 KHz fso 44 1 KHz AVDD DVDD 3...
Страница 11: ...8 1 7 5 7 6 5 6 5 5 5 4 5 4 3 5 3 2 5 2 1 5 1 0 5 0 0 5 d B F S Fig 5 Frequency Response AK4127 Frequency Response fsi 44 1 KHz Yellow 48 KHz Blue 96 KHz Red 192 KHz Green fso 44 1 KHz AVDD DVDD 3 3 V...
Страница 12: ...27 Frequency Response fsi 48 KHz Blue 96 KHz Red 192 KHz Green fso 48 KHz AVDD DVDD 3 3 V Input Level 0 dBFS 2k 22k 4k 6k 8k 10k 12k 14k 16k 18k 20k Hz 12 1 11 10 9 8 7 6 5 4 3 2 1 0 d B F S Fig 8 Fre...
Страница 13: ...a A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine aerospace nuclear energy or other fields in which its failure...
Страница 14: ...u R9 51 R9 51 1 2 U1A 74HC14 U1A 74HC14 11 10 U1E 74HC14 U1E 74HC14 C8 0 1u C8 0 1u C11 0 1u C11 0 1u R12 1k R12 1k R7 51 R7 51 C4 47u C4 47u C5 1n C5 1n R6 51 R6 51 R1 10k R1 10k 1 2 3 4 5 6 7 14 13...
Страница 15: ...3 4 5 6 7 8 9 10 PORT2 A1 10PA 2 54DSA PORT2 A1 10PA 2 54DSA C17 0 1u C17 0 1u R17 100 R17 100 2 1 LED2 SML 210JT LED2 SML 210JT L1 47u L1 47u IPS0 1 NC 2 DIF0 3 TEST2 4 DIF1 5 NC 6 DIF2 7 IPS1 8 P S...
Страница 16: ...21 10u C21 10u J2 BNC R PC J2 BNC R PC GND 1 VCC 2 IN 3 PORT4 TOTX141 PORT4 TOTX141 C31 0 1u C31 0 1u T2 DA 02F T2 DA 02F C23 0 47u C23 0 47u C26 0 1u C26 0 1u 1 2 3 4 5 6 7 8 9 10 PORT3 A1 10PA 2 54D...
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