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[AKD4430-SA] a kd4430-sa a k4430 evaluation board rev.1 general description AKD4430-SA is an evaluation board for ak4430 (192khz sampling 24bit stereo ?dac with 2vrms output). AKD4430-SA has a digital audio interface ( ak4115) of optical input and can easily achieve the interface with digital audio syste m. therefore, it is easy to evaluate the sound quality of ak4430. ? ordering guide AKD4430-SA ---- ak4430 evaluation board function on-board digital audio interface. (ak4115) ak4115 a k4 430 bnc connector rch lch dir opt in bnc connector torx141 port2 external reg:12v->3.3v vdd:3.3v vcc:3.3v coax in reg:12v->3.3v cvdd:3.3 v figure 1. AKD4430-SA block diagram (* circuit diagram are attached at the end of this manual.) km101701 2010/04 - 1 -
[AKD4430-SA] board outline chart ? outline chart vdd agnd sw2 u3 test1 port2 1 10 vcc cvdd reg t1 lout rout t2 coa x u2 1 sw1 h l u1 1 port1 figure 2. AKD4430-SA outline chart ? comment (1) lout, rout (bnc-jack) it is analog signal output jack. the signal is output from lout/rout pins. (2) coax, port1, port 2 (digital signal connector) coax (bnc-jack): digital signal (spdif, fs: 24 48khz) is input to the ak4115. (default) port1 (optical connecter): optical digital signal (spdif, fs: 32 48khz) is input to the ak4115. port2 (10 pin header): the clock and data can be input and output with this connector. (3) reg, vdd, agnd, cvdd, vcc these are the power supply connectors. connect power supply with these pins. as for the detail comments, refer to the setup of power supply in p3. (4) sw1, sw2 (switch) sw1: setting of frequency of mcko that is output from ak4115. sw2: reset of ak4115. keep ?h? during normal operation. km101701 2010/04 - 2 -
[AKD4430-SA] ? operation sequence 1) set up the power supply lines. each supply line should be distributed from the power supply unit. name color typ voltage using default setting of jack of jack voltage range red +12v avdd, dvdd, tvdd, ovdd of ak4115 and vcc of logic circuit vcc1 connected to +12v +7 +15v note 1 ) ( (regulator:t2) vdd1 red +3.3v vdd of ak4430 open +3 +3.6v cvdd1 red +3.3v cvdd of ak4430 open +3 +3.6v agnd2 black 0v 0v ground connected to gnd ( should be connected ) red +12v +7v~+15v vdd, cvdd of ak4430 connected to +12v reg note 2 ) (regulator:t1) ( table 1.set up of power supply lines note 1 ) in case of using +3.3v power supply to connect vcc1 , it is possible to supply the voltage to ak4115 and the logic circuit without using regulator. in this case, change to r36: open ? short (0 ); r34,r35: short (0 ) ? open note 2 ) in case of using +12v power supply to connect reg, use regulator: t1 can supply ak4430 with clean voltage. (default) in this case, change to r25,r44: short (0 ) ? open; r37,r43:open ? short (0 ); vdd, cvdd should be open. 2) dip switch setting: refer to table 2 and table 3 3) power down: the ak4115 should be reset once by bringing sw2 (ak4115 pdn) ?l? upon power-up. ? evaluation mode 1. using dir (optical link) the dir generates mclk, bick, lrck and sdata from the received data through optical connector (port1: torx141). it is possible to evaluate the ak4430 by using cd disk. setting: r19: open ? 470 ? ; r33: short (0 ? ) ? open 2. using dir (coax) (default) the dir generates mclk, bick, lrck and sdata from th e received data through bn c connector (j3). it is possible to evaluate the ak4430 by using cd disk. setting: r19: open; r33: short (0 ? ); (default) coax is recommended for an evaluation of the sound quality. 3. supply all interface signals th at includ master clock via po rt2 from external equipments.. setting: r11: 5.1 ? ? open r12, r13, r14: 51 ? open r15, r16, r17, r18: open ? 51 ?or short (0 ) note) the above work of removing (open) or shorting resistors need to modify the connection by soldering. km101701 2010/04 - 3 -
[AKD4430-SA] ? setting of dip switch [sw1]: ak4115 setting no. pin off (?l?) on (?h?) default ?B 1 ocks0 l ak4115 ? s master clock setting look table 3 2 ocks1 h table 2. sw1 setting ocks1 ocks0 mclk frequency 0 0/1 256fs @ fs=96khz default 1 0 512fs @ fs=48khz 1 1 128fs @ fs=192khz table 3. mclk clock setting ? setting of sw2 switch [sw2](pdn): reset of ak4115. keep ?h? during normal operation. km101701 2010/04 - 4 -
[AKD4430-SA] measurement results [measurement condition] ? measurement unit : audio precisi on system two cascade (ap2) ? mclk : 512fs, 256fs, 128fs ? bick : 64fs ? fs : 44.1khz, 96khz, 192khz ? bit : 24bit ? power supply : vdd=cvdd=3.3v ? interface : dir ? temperature : room table data fs=44.1khz lch parameter input signal measurement filter rch s/(n+d) 1khz, 0db 20klpf 91.8 92.2 dr 1khz, -60db 20klpf spcl, a-weighted 104.5 104.5 s/n ?0? data 20klpf spcl, a-weighted 104.7 104.7 fs=96khz lch parameter input signal measurement filter rch s/(n+d) 1khz, 0db 40klpf 91.4 91.9 dr 1khz, -60db 40klpf spcl, a-weighted 104.4 104.4 s/n ?0? data 40klpf spcl, a-weighted 104.6 104.6 fs=192khz lch parameter input signal measurement filter rch s/(n+d) 1khz, 0db 40klpf 89.5 89.9 dr 1khz, -60db 40klpf spcl, a-weighted 104.0 103.9 s/n ?0? data 40klpf spcl, a-weighted 104.5 104.4 km101701 2010/04 - 5 -
[AKD4430-SA] plot data fs=44.1khz ak4430 fft fs=44.1khz -180 +0 -170 -160 -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 3. fft (0db input ,fin=1khz) ak4430 fft fs=44.1khz -180 +0 -170 -160 -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 4. fft (-60db input, fin=1khz) km101701 2010/04 - 6 -
[AKD4430-SA] ak4430 fft fs=44.1khz -180 +0 -170 -160 -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 5. fft (no signal) ak4430 fft fs=44.1khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 6. fft (out of band noise) km101701 2010/04 - 7 -
[AKD4430-SA] ak4430 thd+n vs input level fs=44.1khz -140 -60 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 7. thd + n vs input level (fin=1khz) ak4430 thd+n vs input frequency fs=44.1khz -140 +0 -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 8. thd + n vs input frequency (0db input) km101701 2010/04 - 8 -
[AKD4430-SA] ak4430 linearity fs=44.1khz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 9. linearity (fin=1khz) ak4430 frequency response fs=44.1khz -2 +1 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 +0.4 +0.6 +0.8 d b r a 2k 20k 4k 6k 8k 10k 12k 14k 16k 18k hz figure 10. frequency response (0db input) km101701 2010/04 - 9 -
[AKD4430-SA] ak4430 crosstalk fs=44.1khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b 20 20k 50 100 200 500 1k 2k 5k 10k hz figure 11. crosstalk (0db input) fs=96khz ak4430 fft fs=96khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 12.fft (0db input, fin=1khz) km101701 2010/04 - 10 -
[AKD4430-SA] ak4430 fft fs=96khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 13. fft (-60db input, fin=1khz) ak4430 fft fs=96khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 14.fft (no signal) km101701 2010/04 - 11 -
[AKD4430-SA] ak4430 thd+n vs input level fs=96khz -140 -60 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 15. thd+n vs input level (fin=1khz) ak4430 thd+n vs input frequency fs=96khz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 16. thd+n vs input frequency (0db input) km101701 2010/04 - 12 -
[AKD4430-SA] ak4430 linearity fs=96khz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 17. linearity (fin=1khz) ak4430 frequency response fs=96khz -2 +1 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 +0.4 +0.6 +0.8 d b r a 5k 40k 10k 15k 20k 25k 30k 35k hz figure 18. frequency response (0db input) km101701 2010/04 - 13 -
[AKD4430-SA] ak4430 crosstalk fs=96khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b 20 40k 50 100 200 500 1k 2k 5k 10k 20k hz figure 19. crosstalk (0db input) fs=192khz ak4430 fft fs=192khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 20.fft (0db input, fin=1khz) km101701 2010/04 - 14 -
[AKD4430-SA] ak4430 fft fs=192khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 21.fft (-60db input, fin=1khz) ak4430 fft fs=192khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 22.fft (no signal) km101701 2010/04 - 15 -
[AKD4430-SA] ak4430 thd+n vs input level fs=192k -140 -60 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 23.thd+n vs input level (fin=1khz) ak4430 thd+n vs input frequency fs=192khz -140 +0 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 24. thd+n vs input frequency (0db input) km101701 2010/04 - 16 -
[AKD4430-SA] ak4430 linearity fs=192khz -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b r a -120 +0 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbfs figure 25. linearity (fin=1khz) ak4430 frequency response fs=192khz -2 +1 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 +0 +0.2 +0.4 +0.6 +0.8 d b r a 10k 80k 20k 30k 40k 50k 60k 70k hz figure 26. frequency response (0db input) km101701 2010/04 - 17 -
[AKD4430-SA] ak4430 crosstalk fs=192khz -180 +0 -170 -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 d b 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k hz figure 27. crosstalk (0db input) km101701 2010/04 - 18 -
[AKD4430-SA] revision history date manual board reason page contents (yy/mm/dd) revision revision 09/11/04 km101700 0 first edition 10/04/13 km101701 1 modification 5-18 update of measurement results and plots. important notice z these products and their specifications ar e subject to change without notice. when you consider any use or application of these products , please make inquiries the sales office of asahi kasei microdevices corporation (akm) or authorized distributors as to current status of the products. z akm assumes no liability for infringement of any patent, intellect ual property, or other rights in the application or use of any information contained herein. z any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of expor t pertaining to customs and tariffs, currency exchange, or strategic materials. z akm products are neither intended nor au thorized for use as critical components note1) in any safety, life support, or other hazard related device or system note2) , and akm assumes no responsibility for such use, except for the use approved with the express written consent by representative director of akm. as used here: note1) a critical component is one whose failure to func tion or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. note2) 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 othe r fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. z it is the responsibility of the buyer or distributor of akm products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distribu tor agrees to assume an y and all responsibility and liability for and hold akm harmless from any and all claims arising from the use of said product in the absence of such notification. km101701 2010/04 - 19 -
a a b b c c d d e e e e d d c c b b a a cvdd vdd vdd vdd vcc_r vcc vcc vcc vcc vdd vcc vcc_r vcc_r vcc_r vcc_r vcc_r vcc vcc_r vcc_r vcc_r cvdd title size document number rev date: sheet of ak4430 0 AKD4430-SA 11 title size document number rev date: sheet of ak4430 0 AKD4430-SA 11 title size document number rev date: sheet of ak4430 0 AKD4430-SA 11 lout rout vdd agnd dif smute mclk bick stdi lrck vee vrefh aoutl aoutr vss1 cvdd vss2 vdd vdd agnd dsp mclk bick sdto lrck ak4115-pdn h l ocks0 ocks1 h l agnd coax +3.3v +12v +12v +3.3v +12v-->+3.3v +12v-->+3.3v port2 a1-10pa-2.54dsa port2 a1-10pa-2.54dsa 1 3 5 7 9 10 8 6 4 2 c1 1u c1 1u c21 0.1u c21 0.1u r44 (open) r44 (open) c37 0.1u c37 0.1u + c8 (short) + c8 (short) c39 0.1u c39 0.1u reg(+12/3.3v) t45-red reg(+12/3.3v) t45-red 1 r16 (open) r16 (open) + c26 10u + c26 10u r18 (open) r18 (open) + c6 10u + c6 10u j1 bnc-r-pc j1 bnc-r-pc 1 2 3 4 5 r20 (short) r20 (short) r24 47k r24 47k vcc1 t45-red vcc1 t45-red 1 c5 0.1u c5 0.1u r11 5.1 r11 5.1 r25 (open) r25 (open) r22 5.1 r22 5.1 port1 torx141 port1 torx141 out 1 vcc 3 gnd 2 agnd2 t_45(black) agnd2 t_45(black) 1 c2 1u c2 1u r13 51 r13 51 r1 (open) r1 (open) + c15 (open) + c15 (open) test2 test2 r4 470 r4 470 c43 0.1u c43 0.1u r6 (short) r6 (short) cvdd1 t45-red cvdd1 t45-red 1 r41 (open) r41 (open) c48 0.1u c48 0.1u t2 upc3533hf t2 upc3533hf out 3 gnd 2 in 1 r30 (open) r30 (open) r34 (short) r34 (short) sw1 sw1 1 2 4 3 r12 51 r12 51 j2 bnc-r-pc j2 bnc-r-pc 1 2 3 4 5 l2 (short) l2 (short) 1 2 r28 open r28 open c3 0.1u c3 0.1u + c35 470u + c35 470u r40 10 r40 10 + c42 47u + c42 47u 1 2 + c40 470u + c40 470u 1 2 c29 0.1u c29 0.1u + c30 4.7u + c30 4.7u c12 (open) c12 (open) d1 hsu119 d1 hsu119 k a + c33 10u + c33 10u c11 (open) c11 (open) c13 (open) c13 (open) r14 51 r14 51 r31 10k r31 10k c25 0.1u c25 0.1u r35 (short) r35 (short) r26 10k r26 10k c32 0.1u c32 0.1u + c44 470u + c44 470u r10 (short) r10 (short) r45 (open) r45 (open) r29 (open) r29 (open) r17 (open) r17 (open) c38 0.1u c38 0.1u u2 ak4115 u2 ak4115 dif0/rx5 1 test 2 dif1/rx6 3 xsel/rx7 5 dvdd 6 vin 7 daux 8 dvss 9 mcko1 10 mcko2 11 ovdd 12 ovss 13 bick 14 sdto 15 lrck 16 b 17 c 18 u 19 vout 20 tvdd 21 tx0 22 txp1 23 txn1 24 tvss 25 xti1 26 xto1 27 xti2 28 xto2 29 ovdd 30 ovss 31 ebick 32 emck 33 elrck 34 int0 35 int1 36 cm0/cdto/cad1 37 cm1/cdti/sda 38 ocks1/cclk/scl 39 ocks0/csn/cad0 40 dvss 42 bvss 43 ips1/iic 44 psel 45 xtl0 46 xtl1 47 filt 48 avss 49 r 50 vcom 51 avdd 52 p/sn 53 acks 54 rxn0 55 rxp0 56 avss 57 rx1 58 avdd 59 rx2 60 avss 61 rx3 62 avdd 63 ips0/rx4 64 pdn 4 dvdd 41 r5 (short) r5 (short) r42 (open) r42 (open) c22 0.1u c22 0.1u r37 (short) r37 (short) r39 5.1 r39 5.1 r9 (open) r9 (open) r3 470 r3 470 l3 (short) l3 (short) 1 2 r32 75 r32 75 c20 0.1u c20 0.1u test3 test3 c23 0.1u c23 0.1u c18 0.1u c18 0.1u ak4430 u1 ak4430 u1 cn 1 cp 2 smute 3 mclk 4 bick 5 sdti 6 lrck 7 dif 8 aoutr 9 aoutl 10 vdd 11 vss1 12 vrefh 13 cvdd 14 vss2 15 vee 16 r38 (short) r38 (short) c10 2.2nf c10 2.2nf c45 0.1u c45 0.1u r7 (open) r7 (open) c16 0.1u c16 0.1u c14 (open) c14 (open) l4 (short) l4 (short) 1 2 r21 (short) r21 (short) sw2 ate1d-2m3 sw2 ate1d-2m3 2 1 3 r33 0 r33 0 u3 74hc14 u3 74hc14 gnd 7 1a 1 3a 5 5a 11 5y 10 3y 6 1y 2 2y 4 4y 8 6y 12 6a 13 4a 9 2a 3 vcc 14 r27 (open) r27 (open) + c24 10u + c24 10u r8 (short) r8 (short) c27 0.1u c27 0.1u vdd1 t45-red vdd1 t45-red 1 + c7 (short) + c7 (short) + c4 10u + c4 10u + c28 10u + c28 10u c34 0.1u c34 0.1u c9 2.2nf c9 2.2nf r2 (open) r2 (open) r43 (short) r43 (short) r23 47k r23 47k + c17 47u + c17 47u c46 2.2u c46 2.2u c31 0.1u c31 0.1u r19 (open) r19 (open) l1 47u l1 47u 1 2 t1 upc3533hf t1 upc3533hf out 3 gnd 2 in 1 + c36 47u + c36 47u j3 bnc-r-pc j3 bnc-r-pc r15 (open) r15 (open) c41 0.1u c41 0.1u + c19 10u + c19 10u r36 (open) r36 (open) - 20 -

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