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AKM AKD4589-B, User Manual

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ASAHI KASEI 

 

[AKD4589-B] 

<KM076201>  

2005/07 

 - 

1 

- 

 

 

FEATURE 

AKD4589-B is an evaluation board for AK4589, a single chip 24bit CODEC that has two channels of ADC 
and eight channels of DAC with internal DIR, DIT.  It has interfaces with evaluation boards for A/D 
converter and D/A converter of AKM’s and make easy to evaluate AK4589. It also has the digital audio 
interface and can achieve the interface with digital audio systems via opt-connector or BNC connector. 
 

„

 

Ordering guide

 

AKD4589-B  --- AK4589 Evaluation Board 

10 wire flat cable for connection with printer port of PC (IBM-AT compatible 
machine),control software for AK4589,driver for control software on Windows 
2000/XP are apacked with this. 

Control software does not support to I

2

C control, and does not work on Windows NT 

Windows 2000/XP needs an installation of driver. 
Windows 95/98/ME does not need an installation of driver. 

 

FUNCTION 

†

 

On-board clock generator

 

†

 

Compatible with 2 types of interface 

- Optical output/input and BNC input 
- Direct interface with AC3 decoder by 10pin header 

†

 

10pin header for serial control interface 

 

 

 

Input 

Buffer

 

LIN 

RIN 

LOUT1 

ROUT1 

LOUT2 

ROUT2 

LOUT3 

ROUT3 

GND

AK4589 

10pin Header 

10pin Header 

Control Data 

BNC In 

Opt In 

Opt Out 

AC3 

-12V +12V 

 
 
 

Output 

Buffer

 

Regulator

BNC Out 

Through Out 

LOUT4 

ROUT4 

10pin Header 

B, C, U, V 

 

Figure 1. AKD4589-B

 

Block Diagram 

* Circuit diagram and PCB layout are attached at the end of this manual. 

 

AK4589 Evaluation Board Rev.2

AKD4589-B

Summary of Contents for AKD4589-B

Page 1: ...ver for control software on Windows 2000 XP are apacked with this Control software does not support to I2 C control and does not work on Windows NT Windows 2000 XP needs an installation of driver Wind...

Page 2: ...t should be always connected AGND Black 0V Analog Ground Analog Ground It should be always connected DGND Black 0V Digital Ground Digital Ground It should be connected when JP1 is open This connector...

Page 3: ...n AKD4589 B Set JP3 RX0 BNC side when BNC connector J12 RX0 is used for RX0 on AKD4589 B See Figure 2 BNC JP3 RX0 OPT BNC JP3 RX0 OPT or Using Optical connector Using BNC Figure 2 Setting of JP3 RX0 S...

Page 4: ...nnector PORT2 TOTX176 TX1 is used for TX1 on AKD4589 B Set JP2 TX1 BNC side when BNC connector J11 TX1 is used for TX1 on AKD4589 B See Figure3 BNC JP2 TX1 OPT BNC JP2 TX1 OPT or Using Optical connect...

Page 5: ...requency information of channel status output FS0 FS1 FS2 FS3 PEM bit of resister control XTL1 XTL0 X tal Frequency OFF 0 L OFF 0 L 11 2896MHz OFF 0 L ON 1 H 12 288MHz ON 1 H OFF 0 L 24 576MHz ON 1 H...

Page 6: ...4588 s INT0 pin output LE2 INT1 Indicate of AK4588 s INT1 pin output Serial Control AK4589 can be controlled via the printer port parallel port of IBM AT compatible PC Connect printer port parallel po...

Page 7: ...alog input level of AK4589 device on the AKD4589 B So input ranges of AKD4589 B becomes to 6 2Vpp 5V twice of the value in the case of AK4589 device Input range of AK4589 device is proportional to VRE...

Page 8: ...180 AOUTL 10k 3 9n 1 2k 680 3 3n 6 4 3 2 7 10u 0 1u 0 1u 10u 10u NJM4580 330 100u 180 AOUTL 10k 3 9n 1 2k 680 3 3n 6 4 3 2 7 10u 0 1u 0 1u 10u NJM4580 0 1u NJM4580 0 1u 10u 100 4 3 2 1 0n 620 620 560...

Page 9: ...program according to explanation above 2 Click Write default button 3 Then set up the dialog and input data and evaluate AK4589 DIR DIT part Explanation of each buttons 1 Write default Write default d...

Page 10: ...sponding to each register to set up the dialog If you check the check box data becomes H or 1 If not L or 0 Click OK button if you write input data into register Click Cancel button if you don t write...

Page 11: ...ick the icon of akd4589 b_adc_dac_2 exe and set up the control program 5 Then evaluate AK4589 ADC DAC part according to the followings Note Chip Address of ADC DAC is fixed CAD1 CAD0 is 0 L 1 H CAD10...

Page 12: ...a Set mode of data flow by checked or no into this check box When you checked into this Data returns to start data after data reached end data When you did not check into this Data flow is end when da...

Page 13: ...ace Internal DIT fs 48kHz 96kHz Temperature Room Temp fs 48kHz Parameter Input signal Measurement filter Results S N D 1kHz 0 5dB 20kLPF 94 4 dB DR 1kHz 60dB 20kLPF 98 5 dB DR 1kHz 60dB 20kLPF A weigh...

Page 14: ...ment filter Results S N D 1kHz 0dB 20kLPF 98 7 dB DR 1kHz 60dB 20kLPF 110 0 dB DR 1kHz 60dB 22kLPF A weighted 112 5 dB S N 0 data 20kLPF 110 0 dB S N 0 data 22kLPF A weighted 112 8 dB fs 96kHz Paramet...

Page 15: ...S Figure 9 FFT noise floor Figure 10 THD N vs Input Level Input Frequency 1kHz Figure 11 THD N vs Input Frequency Input Level 0dBFS Figure 12 Linearity Input Frequency 1kHz Figure 13 Frequency Respons...

Page 16: ...gure 30 Frequency Response Input Level 0dBFS Figure 31 Cross talk Input Level 0dBFS fs 96kHz Figure 32 FFT Input Frequency 1kHz Input Level 0dBFS Figure 33 FFT Input Frequency 1kHz Input Level 60dBFS...

Page 17: ...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 Figure 8 FFT Input Frequency 1kHz Input Level 0 5dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 70 60 50 40...

Page 18: ...90 80 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 10 FFT noise floor AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBr 120 80 118 116 114 112 110...

Page 19: ...120 80 118 116 114 112 110 108 106 104 102 100 98 96 94 92 90 88 86 84 82 d B F S Figure 12 THD N vs Input Frequency Input Level 0 5dBFS AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50 40 3...

Page 20: ...0 8 0 75 0 7 0 65 0 6 0 55 0 5 0 45 0 4 0 35 0 3 0 25 0 2 0 15 0 1 0 05 d B F S Figure 14 Frequency Response including input RC filter Input Level 0 5dBFS AKM Red Rch Lch Blue Lch Rch 20 20k 50 100 2...

Page 21: ...180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 16 FFT Input Frequency 1kHz Input Level 0 5dBFS AKM Red Lch Blue Rch 40 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 180 0 170...

Page 22: ...0k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 18 FFT Noise floor AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBr 120 80 118 116 114 11...

Page 23: ...Hz 120 80 118 116 114 112 110 108 106 104 102 100 98 96 94 92 90 88 86 84 82 d B F S Figure 20 THD N vs Input Frequency Input Level 0 5dBFS AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50 4...

Page 24: ...0 85 0 8 0 75 0 7 0 65 0 6 0 55 0 5 0 45 0 4 0 35 0 3 0 25 0 2 0 15 0 1 0 05 d B F S Figure 22 Frequency Response including input RC filter Input Level 0 5dBFS AKM Red Rch Lch Blue Lch Rch 40 40k 50 1...

Page 25: ...100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 24 FFT Input Frequency 1kHz Input Level 0dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 70 60 50 40 3...

Page 26: ...150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 26 FFT noise floor AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10...

Page 27: ...94 92 90 88 86 84 82 d B r A 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 28 THD N vs Input Level Input Frequency 1kHz AKM Red Lch Blue Rch 120 80 118 116 114 112 110 108 106 104 102 1...

Page 28: ...0 20 10 d B r A 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 30 Linearity Input Frequency 1kHz AKM Red Lch Blue Rch 0 5 0 5 0 45 0 4 0 35 0 3 0 25 0 2 0 15 0 1 0 05 0 0 05 0 1 0 15 0 2...

Page 29: ...KM076201 2005 07 29 DAC fs 48kHz AKM Red Rch Lch Blue Lch Rch 130 90 128 126 124 122 120 118 116 114 112 110 108 106 104 102 100 98 96 94 92 d B 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 32 Cross t...

Page 30: ...0 60 50 40 30 20 10 d B r A 40 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 33 FFT Input Frequency 1kHz Input Level 0dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10...

Page 31: ...20 110 100 90 80 70 60 50 40 30 20 10 d B r A 40 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 35 FFT Input Frequency 1kHz Input Level 60dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 7...

Page 32: ...70 60 50 40 30 20 10 d B r A 100 100k 200 500 1k 2k 5k 10k 20k 50k Hz Figure 37 FFT out of band noise AKM Red Lch Blue Rch 120 80 118 116 114 112 110 108 106 104 102 100 98 96 94 92 90 88 86 84 82 d...

Page 33: ...102 100 98 96 94 92 90 88 86 84 82 d B r A 40 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 39 THD N vs Input Frequency Input Level 0dBFS AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50 40...

Page 34: ...3 0 35 0 4 0 45 d B r A 2 5k 40k 5k 7 5k 10k 12 5k 15k 17 5k 20k 22 5k 25k 27 5k 30k 32 5k 35k 37 5k Hz Figure 41 Frequency Response Input Level 0dBFS AKM Red Rch Lch Blue Lch Rch 130 85 127 5 125 122...

Page 35: ...0 50 40 30 20 10 d B r A 40 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 43 FFT Input Frequency 1kHz Input Level 0dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 70 60 50 40 30 20 1...

Page 36: ...10 100 90 80 70 60 50 40 30 20 10 d B r A 40 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 45 FFT Input Frequency 1kHz Input Level 60dBFS AKM Red Lch Blue Rch 160 0 150 140 130 120 110 100 90 80 7...

Page 37: ...70 60 50 40 30 20 10 d B r A 100 100k 200 500 1k 2k 5k 10k 20k 50k Hz Figure 47 FFT out of band noise AKM Red Lch Blue Rch 120 80 118 116 114 112 110 108 106 104 102 100 98 96 94 92 90 88 86 84 82 d...

Page 38: ...102 100 98 96 94 92 90 88 86 84 82 d B r A 40 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 49 THD N vs Input Frequency Input Level 0dBFS AKM Red Lch Blue Rch 140 0 130 120 110 100 90 80 70 60 50...

Page 39: ...0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 d B r A 5k 80k 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 60k 65k 70k 75k Hz Figure 51 Frequency Response Input Level 0dBFS AKM Red Lch Blue Rch 130 70 125 120 115 110 105 1...

Page 40: ...ion or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property b A critical component is one whose failure to function or perform may reas...

Page 41: ...10 0 1u R10 330_C R10 330_C R19 NC_C R19 NC_C C2 0 1u C2 0 1u R20 100_C R20 100_C R3 0_C R3 0_C R7 330_C R7 330_C C1 10u C1 10u R6 330_C R6 330_C C4 0 1u C4 0 1u INT1 1 BOUT 2 TVDD 3 DVDD 4 DVSS 5 XTO...

Page 42: ...10k R24 10k R30 100 R30 100 R49 620 R49 620 R23 180 R23 180 R51 open R51 open R34 560 R34 560 5 6 7 8 4 U2B NJM4580 U2B NJM4580 C44 3 3n C44 3 3n C14 0 1u C14 0 1u R31 620 R31 620 C48 3 9n C48 3 9n C...

Page 43: ...560 R70 560 R73 10k R73 10k R81 620 R81 620 R75 1 2k R75 1 2k R92 680 R92 680 R86 short R86 short R69 open R69 open C219 open C219 open C227 open C227 open R58 330 R58 330 R87 open R87 open C84 3 9n C...

Page 44: ...80 C110 0 1u C110 0 1u C109 3 9n C109 3 9n R106 560 R106 560 C85 3 3n C85 3 3n C103 0 1u C103 0 1u C94 1 0n C94 1 0n C96 open C96 open R109 10k R109 10k C237 100p C237 100p C236 open C236 open C117 op...

Page 45: ...13B NJM4580 C131 open C131 open R149 180 R149 180 C126 10u C126 10u C140 10u C140 10u C151 short C151 short C144 100u C144 100u C147 10u C147 10u C143 10u C143 10u R155 1 2k R155 1 2k C133 short C133...

Page 46: ...180 1k R180 1k R183 240 R183 240 JP1 GND JP1 GND R178 100_C R178 100_C C164 0 1u C164 0 1u R166 10k R166 10k R174 100 R174 100 R181 1k_C R181 1k_C 9 8 U16D 74HC14 U16D 74HC14 C159 0 1u C159 0 1u T1 DA...

Page 47: ...DSP SDTI2 SDTO DSP GND MCKO BCUV ADC DAC R194 0_C R194 0_C R187 10 R187 10 C172 0 1u C172 0 1u C170 470u C170 470u R190 10 R190 10 C177 47u C177 47u C167 0 1u C167 0 1u WIRE1 short WIRE1 short 1 2 3...

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