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ASAHI AKD55X4-B Manual

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The AKD55X4-B is an evaluation board for AK55X4/X2, which is 32bit, 8k – 768kHz, 4ch/2ch ADC.
4ch ADC (AK55X4) : AK5534, AK5554, AK5574
The AKD55X4-B is includes the analog input circuit and also has a digital interface transmitter .
Further, the AKD55X4-B can achieve the interface with digital audio systems via BNC-connector.
 Ordering guide
AKD55X4-B
 DIT with BNC or Optical digital output.
 ADC 4ch/2ch input is possible.
 BNC connector for an external clock input.
ｷｬﾉﾝｺﾈｸﾀ
(IN)
AIN1
AIN2
AIN3
AIN4
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM119202>
AK55X4/X2 Evaluation Board Rev.2
GENERAL DESCRIPTION
--
Evaluation board for AK55X4/X2
-15V
+15V
-VOP
+VOP
Regulators
5V/3.3V
AVDD
Input
Buffer
Input
Buffer
Figure 1. AKD55X4-B Block Diagram
2ch ADC (AK55X2) : AK5552, AK5572
FUNCTION
3.3V
1.8V
VDD18
TVDD
AK4118A
AK55X4
AK55X2
10pin Header
- 1-
BNC_TX
(OUT)
(DIT)
OPT_TX
(OUT)
Clock
Generator
DSP Data
[AKD55X4-B]
2015/09

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  • Page 1 [AKD55X4-B] AK55X4/X2 Evaluation Board Rev.2 GENERAL DESCRIPTION The AKD55X4-B is an evaluation board for AK55X4/X2, which is 32bit, 8k – 768kHz, 4ch/2ch ADC. 4ch ADC (AK55X4) : AK5534, AK5554, AK5574 2ch ADC (AK55X2) : AK5552, AK5572 The AKD55X4-B is includes the analog input circuit and also has a digital interface transmitter .

  • Page 2: Evaluation Board Diagram

    SW600 SW601 SW400 J400 J302 J303 Figure 2. AKD55X4-B Board Diagram  Description (1) U1 ( AK55X4/AK55X2 ) 32bit,8k - 768kHz,4ch/2ch A/D Converter. (2) J200,J201,J300,J301 ( Analog data ) Cannon connector : Differential Analog Input (3) J202,J203,J302,J303 ( Analog data ) BNC Connector : Single-ended Analog Input.
  • Page 3 [AKD55X4-B] (7) PORT602 ( pin header ) Pin header for evaluation (DCLK, DSDOL1/R1, DSDOL2/R2). (8) U4 ( AK4118A ) AK4118A has DIT. Transports output data from AK55X4/X2. (9) SW600 ( Toggle switch ) Toggle type-switch PDN for AK55X4/X2. “H” : PDN = High “L”...

  • Page 4: Evaluation Board Manual

    [AKD55X4-B] Evaluation Board Manual  Operation sequence [1] Power supply line settings [2] Jumped pins settings [3] DIP switches settings [4] Toggle switches settings [5] Register control (Serial control) [6] Evaluation modes <KM119202> 2015/09 - 4-...
  • Page 5 [AKD55X4-B] [1] Power supply line settings (1-1) Power supply settings : Used the regulator (T1,T2,T3,T4,T5) <Default> Set up the power supplied lines : * Each supply line should be distributed from the power supply unit. Name Color Setting (Typ) Function...
  • Page 6 [AKD55X4-B] (1-2) About jumper for power supply : The roles of the jumper or the short resistance for each power supply supplied from the regulator are as follows. Connection of the jumper for power supply : Name Function Comments Default Settings...
  • Page 7 [AKD55X4-B] [2] Jumped pins settings Names Default Functions JP400 TXDATA-SEL COAX Select COAX / Optical Connector for TX data of AK4118A. COAX: COAX for TX data of AK4118A. (default) OPT: Optical for TX data of AK4118A. PORT605 BICK-SEL Select input / output to AK55X4/X2 (U1) BICK...
  • Page 8 [AKD55X4-B] JP703 PS-SEL4 SCL/CCLK Select input to AK55X4/X2 (U1) CKS2/SCL/CCLK SCL/CCLK: SCL/CCLK signal input to AK55X4/X2. (default) CKS2: CKS2 signal of SW603 input to AK55X4/X2. JP704 PS-SEL5 CAD1 Select input to AK55X4/X2 (U1) CKS3/CAD1 CAD1: CAD1 signal input to AK55X4/X2. (default) CKS3: CKS3 signal of SW603 input to AK55X4/X2.
  • Page 9 [AKD55X4-B] [3] DIP switches settings (3-1). Setting for SW400 (Sets AK4118A (U4) audio format and master clock setting) Switch Name Function default DIF2 Set-up of DIF0 pin. DIF1 Set-up of DIF1 pin. DIF0 Set-up of DIF2 pin. OCKS1 Set-up of OCKS1 pin.
  • Page 10 [AKD55X4-B] (3-2). Setting for SW802 (Sets AK55X4/X2 (U1) ) Switch Name Function default TEST TEST Enable. ADC Power Management and Monaural / Stereo select. ADC Power Management and Monaural / Stereo select. ADC Power Management and Monaural / Stereo select.
  • Page 11 [AKD55X4-B] (3-4). Setting for SW604 (Sets AK55X4/X2 (U1) ) Switch Name Function default LDO Enable LDOE L: LDO Disable H: LDO Enable Output Data Placement Select. TDM0 TDM Interface Format select #0 TDM1 TDM Interface Format select #1 Control mode select (I2C pin =”H”)
  • Page 12 [AKD55X4-B] Parallel Mode, ODP pin = “L” : Power ON/OFF Data on Slot PW0 pin PW1 pin PW2 pin SW602_2 SW602_3 SW602_4 Slot 4 Slot 3 Slot 2 Slot 1 All “0” All “0” All “0” All “0” (CH3+4) (CH3+4) All “0”...
  • Page 13 [AKD55X4-B] Parallel Mode, ODP pin = “L” : Power Data on Slot PW0 pin PW1 pin PW2 pin ON/OFF SW602_2 SW602_3 SW602_4 Slot 2 Slot 1 All “0” All “0” All “0” All “0” (CH2+1) (CH2+1) All “0” All “0”...
  • Page 14 [AKD55X4-B] CKS3 pin CKS2 pin CKS1 pin CKS0 pin MSN pin MCLK fs Range SW603-4 SW603-3 SW603-2 SW603-1 SW602-5 Frequency L(0) 128fs Quad Speed Mode L(0) L(0) L(0) L(0) 108kHz  fs  216kHz H(1) L(0) 192fs Quad Speed Mode...
  • Page 15 [AKD55X4-B] Frequency Mode DSD Sampling Frequency DSDSEL1 pin DSDSEL0 pin SW603-6 SW603-5 fs=32kHz fs=44.1kHz fs=48kHz L(0) L(0) 64fs 2.048MHz 2.8224MHz 3.072MHz default L(0) H(1) 128fs 4.096MHz 5.6448MHz 6.144MHz H(1) L(0) 256fs 8.192MHz 11.2896MHz 12.288MHz Reserved Reserved Reserved H(1) H(1) (8.192MHz) (11.2896MHz)
  • Page 16 [AKD55X4-B] LRCK BICK MCLK Multiplex Speed TDM1 TDM0 DIF1 DIF0 SDTO Mode Mode SW604-4 SW604-3 SW602-5 SW603-6 SW603-5 Edg. I/O Freq. Freq.  L(0) L(0) 24-bit, MSB 128fs 128-1024fs  L(0) H(1) 128fs 128-1024fs 24-bit, I L(0)  H(1) L(0)
  • Page 17 [AKD55X4-B] I2C pin PS pin Control Mode SW604-6 SW604-5 3-wire Serial 3-wire Serial C Bus default Parallel Table 3-14. Control Mode Select (AK55X4/X2) <KM119202> 2015/09 - 17-...
  • Page 18 [AKD55X4-B] [4] Toggle switches settings Up=”H”, Down=”L” [SW600] ( Power Down (PDN) for AK55X4/X2): Power Down (PDN) Switch for AK55X4/X2 Reset AK55X4/X2 (U1) once by brining SW600 to “L” once upon power-up. Keep “H” when AK55X4/X2 is in use; keep “L” when AK55X4/X2 is not in use.
  • Page 19 [AKD55X4-B] [5] Register control (Serial control) AKD55X4-A can be controlled printer port (parallel port). Connect board to PC using 10-wire flat cable (PORT500 – serial uP-IF) included with the AKD55X4-A. There is a mark on the no.1-pin of the 10-pin connector. See Figure 3..
  • Page 20 [AKD55X4-B] [6] Evaluation modes (6-1) ADC Differential Analog Input Connector ( 4ch/2ch Mode ) Channel J200 J201 J300 J301 J200 J201 Table 6-1. Differential Analog Input Connector (6-1-1) 4ch mode 1ch: Cannon connector = J200, 2ch: Cannon connector = J201...
  • Page 21 [AKD55X4-B] (6-5) ADC (Analog  Digital) : PCM Mode, Master Mode  Toggle switch setting: SW600 SW601 L→H L→H AK55X4/X2(U1) : Used AK4118A(U4) : Used Table 6-4. Toggle switch setting  Start up Control Register Setting 1: Port Reset & Write Default.

  • Page 22: Operation Flow

    [AKD55X4-B] Control Software Manual  Set-up evaluation board and control software 1. Set up AKD55X4-A evaluation board according to above instructions. 2. Connect PC with AKD55X4-A evaluation board by USB cable (included in package). 3. Insert the CD-ROM labeled “AKD55X4-A Evaluation Kit” into the CD-ROM drive.
  • Page 23 [AKD55X4-B] Figure7-1-2. Control software window [AK5572] Figure7-1-3. Control software window [AK5554] <KM119202> 2015/09 - 23-...
  • Page 24 [AKD55X4-B] Figure7-1-4. Control software window [AK5552] Figure7-1-5. Control software window [AK5534] <KM119202> 2015/09 - 24-...

  • Page 25: Button Functions

    [AKD55X4-B] Click the “Write” button on right side of Addr 01H register. Figure 7-2. Register set window Input dummy command settings and click “OK” to write dummy command to AK55X4/X2. The following No Ack error message will pop up. Click “OK”.
  • Page 26 [AKD55X4-B]  Dialog boxes 1. [All Register Write]: Dialog box to write register setting files Clicking the [All Reg Write] button in the main window opens the dialog box below. Multiple register setting files created by the [SAVE] button can be set and applied.
  • Page 27 [AKD55X4-B] 2. [Data Read/Write]: Dialog box to manually enter register setting Click the [Data R/W] button in the main window to open the data read/write dialog box. Data manually entered into Data box is written to the specified address. Figure 7-5. Window of [Data R/W]...
  • Page 28 [AKD55X4-B] Tab Functions 1. [REG]: Register Map Register data is indicated on the register map. Each bit on the register map is a push-button switch. Button DOWN and red lettering indicates “1” and button UP with blue lettering indicates “0”.

  • Page 29: Tool]: Testing Tools

    [AKD55X4-B] 2. [Tool]: Testing Tools This tab screen is for the evaluation testing tool. Click button for each testing tool. Figure 7-8. [Tool] window <KM119202> 2015/09 - 29-...

  • Page 30: Analog Input Circuit

    [AKD55X4-B] Analog input Circuit Analog input Circuit on AKD55X4-A Cannon Connectors (J200,J201,J300,J301) : Differential analog input signals for AK55X4/X2 Analog input Circuit : 4.7k 4.7k open 68µ 3.3k Vin- 2.8Vpp Analog In AK55X4/X2 AINn+ 14.9Vpp Bias 100p NJM5534 NJM5534 Bias open 68µ...
  • Page 31 [AKD55X4-B] REVISION HISTORY Date Manual Board Reason Page Contents (YY/MM/DD) Revision Revision 15/02/20 KM119200 First edition 15/07/10 KM119201 Change Add Measurement Results 15/09/10 KM119202 Change Device Revision Up <KM119202> 2015/09 - 31-...
  • Page 32 [AKD55X4-B] IMPORTANT NOTICE 0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information contained in this document without notice. When you consider any use or application of AKM product stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized distributors as to current status of the Products.

  • Page 33: Measurement Results

    [AKD5572-B] Measurement Results [Measurement condition] ・Measurement unit : Audio Precision, SYS-2722 : 256fs/256fs/128fs (12.288MHz/24.576MHz/24.576MHz ) ・MCKI ・BICK : 64fs ・fs : 48kHz / 96kHz / 192kHz : 24bit ・Bit ・Measurement Mode : ADC @ Slave Mode ・Power Supply : VOP+(15V)=15V, GND AVDD=5.0V (Regulator), DVDD=3.3V (Regulator) ・Input Frequency : 1kHz...
  • Page 34 [AKD5572-B] [Plots] [ SDTO1 ] : Stereo Mode fs = 48 kHz AK5572 FFT (-1dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=512fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-1. FFT (-1dBFS Input) AK5572 FFT ( -60dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=512fs, fin=1kHz -100 -110 -120...
  • Page 35 [AKD5572-B] fs = 48 kHz AK5572 FFT ( No Signal Input) AVDD=5.0V, DVDD=3.3V, MCLK=512fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-3. FFT (No Signal Input) AK5572 THD+N vs. Input Level AVDD=5.0V, DVDD=3.3V, MCLK=512fs, fin=1kHz -100 -105 -110 -115...
  • Page 36 [AKD5572-B] fs = 48 kHz AK5572 THD+N vs. Input Frequency AVDD=5.0V, DVDD=3.3V, MCLK=512fs, -1dBFS Input -100 -105 -110 -115 -120 -125 -130 -135 -140 -145 -150 Figure 9-5. THD+N vs. Input Frequency AK5572 Linearity AVDD=5.0V, DVDD=3.3V, MCLK=512fs, fin=1kHz -100 -110 -120 -130 -140...
  • Page 37 [AKD5572-B] fs = 48 kHz AK5572 Frequency Response AVDD=5.0V, DVDD=3.3V, MCLK=512fs, -1dBFS input -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 -1.5 -1.6 -1.7 -1.8 -1.9 Figure 9-7. Frequency Response < KM119202> 2015/09 - 37-...
  • Page 38 [AKD5572-B] fs = 96 kHz AK5572 FFT (-1dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=256fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-8. FFT (-1dBFS Input) AK5572 FFT ( -60dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=256fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160...
  • Page 39 [AKD5572-B] fs =96 kHz AK5572 FFT ( No Signal Input) AVDD=5.0V, DVDD=3.3V, MCLK=256fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-10. FFT (No Signal Input) AK5572 THD+N vs. Input Level AVDD=5.0V, DVDD=3.3V, MCLK=256fs, fin=1kHz -100 -105 -110 -115 -120...
  • Page 40 [AKD5572-B] fs = 96 kHz AK5572 THD+N vs. Input Frequency AVDD=5.0V, DVDD=3.3V, MCLK=256fs, -1dBFS Input -100 -105 -110 -115 -120 -125 -130 -135 -140 -145 -150 Figure 9-12. THD+N vs. Input Frequency AK5572 Linearity AVDD=5.0V, DVDD=3.3V, MCLK=256fs, fin=1kHz -100 -110 -120 -130 -140...
  • Page 41 [AKD5572-B] fs = 96 kHz AK5572 Frequency Response AVDD=5.0V, DVDD=3.3V, MCLK=256fs, -1dBFS Input -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 -1.5 -1.6 -1.7 -1.8 -1.9 Figure 9-14. Frequency Response < KM119202> 2015/09 - 41-...
  • Page 42 [AKD5572-B] fs = 192 kHz AK5572 FFT (-1dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=128fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-15. FFT (-1dBFS Input) AK5572 FFT ( -60dBFS Input) AVDD=5.0V, DVDD=3.3V, MCLK=128fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160...
  • Page 43 [AKD5572-B] fs =192 kHz AK5572 FFT ( No Signal Input) AVDD=5.0V, DVDD=3.3V, MCLK=128fs, fin=1kHz -100 -110 -120 -130 -140 -150 -160 -170 -180 Figure 9-17. FFT (No Signal Input) AK5572 THD+N vs. Input Level AVDD=5.0V, DVDD=3.3V, MCLK=128fs, fin=1kHz -100 -105 -110 -115 -120...
  • Page 44 [AKD5572-B] fs = 192 kHz AK5572 THD+N vs. Input Frequency AVDD=5.0V, DVDD=3.3V, MCLK=128fs, -1dBFS Input -100 -105 -110 -115 -120 -125 -130 -135 -140 -145 -150 Figure 9-19. THD+N vs. Input Frequency AK5572 Linearity AVDD=5.0V, DVDD=3.3V, MCLK=128fs, fin=1kHz -100 -110 -120 -130 -140...
  • Page 45 [AKD5572-B] fs = 192 kHz AK5572 Frequency Response AVDD=5.0V, DVDD=3.3V, MCLK=128fs, -1dBFS Input -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 -1.5 -1.6 -1.7 -1.8 -1.9 Figure 9-21. Frequency Response < KM119202> 2015/09 - 45-...
  • Page 46 R136 0 SD/PMOD SD/PMOD SD/PMOD TP133 R100 (short) R135 0 SLOW/DCKB VREFL1 SLOW/DCKB VREFL1 SLOW/DCKB TP100 R102 C100 C101 TP132 (open) 100u 0.1u R134 0 AVDD1 CKS3/CAD1 VREFH1 CKS3/CAD1 VREFH1 CKS3/CAD1 TP101 R101 22 TP131 R103 (short) R133 51 AIN2-N0 CKS2/SCL/CCLK AIN2N CKS2/SCL/CCLK...
  • Page 47 VOP+ R230 4.7k U200 R205 J202 AIN-1 R200 4.7k C211 U201 C205 R240 open R244 open 100u R203 3.3k AIN1P VOP- C250 C200 C201 NJM5534 C202 C203 100p AIN1-P0 0.01u 0.01u BIAS11 R207 R209 AIN1(x4)/AIN1(x2) J200 VOP- C206 100u NJM5534 AIN1N C207 C208...
  • Page 48 VOP+ R330 (open) U300 R305 (open) J302 AIN-3 R300 (open) C311 (open) U301 C305 R340 open R344 open (open) R303 (open) AIN3P VOP- C350 C300 C301 (open) C302 C303 (open) AIN3-P0 (open) (open) (open) (open) AIN3(x4)/non(x2) BIAS31 R307 (open) R309 (open) J300 VOP-...
  • Page 49 C401 D33V C402 0.01u R400 C403 0.47u IPS0/RX4 INT0 OCKS0/CSN/CAD0 OCKS0-T D33V DIF0/RX5 OCKS1/CCLK/SCL OCKS1-T SW400 D33V TEST2 CM1/CDTI/SDA DIF1/RX6 CM0/CDTO/CAD1 VSS1 PDN20 OCKS0-T OCKS1-T JP401 AK4118A EXT-MCLK-T DIF2/RX7 C408 X400 X400 Frequency Check -> 24.576MHz EXTMCLK-SEL 24.576MHz + 1pin Socket (AK4118 Xtal) IPS1/IIC C409 DAUX-4118A-T...
  • Page 50 D33V R506 TVDD1 100k C500 0.01u PCA9306DP1 U500 R508 R509 C511 0.01u VREF2 VREF1 R503 SCL/CCLK SCL/CCLK SCL/CCLK SCL2 SCL1 R504 SDA/CDTI SDA/CDTI SDA/CDTI SDA2 SDA1 R507 TVDD1 100k C501 0.01u PCA9306DP1 U501 R510 R512 C513 0.01u VREF2 VREF1 PORT500 R505 CSN-10PIN SCL2...
  • Page 51 PORT607 PORT605 BICK-PHASE BICK-4118A-T PORT800-BICK PORT BICK-T1 R600 BICK-SEL D33V BICK-T-INV D33V D33V BICK-T-THR BICK-T-THR PORT600 BICK-T-INV U600 R615 R616 OVF-1 MCLK PORT800-MCLK D600 D601 BICK PORT800-BICK HSU119 HSU119 LRCK PORT800-LRCK PORT606 SW 600-PDN SW 601-PDN R617 LE600 SDTO1 PORT801-SDTO1 SW 600-PDN LRCK-4118A-T LRCK-T1...
  • Page 52 TVDD -> D33V R750 (short) U703 U709 SDTO1/DSDOL2 SDTO1/DSDOL2 SDTO1-T1 R714 R716 SDTO2/DSDOR2 SDTO2-T1 SDTO2/DSDOR2 R715 R717 (open) D33V -> TVDD R718 U700 R704 51 NFL21SP706 R719 BICK-T1 BICK/DCLK BICK/DCLK R700 LRCK/DSDOL1 LRCK/DSDOL1 R701 R705 DP01-P LRCK-T1 R702 R703 D33V C703 MSN-DP-PP 0.01u...
  • Page 53 +15V +15V L800 J800 VOP+ +15V-->+5V +15V NJM78M05FA -15V J801 R800 AVDD1 R807 -15V J804 C800 C801 C802 C803 AVDD J802 0.01u 0.01u R808 open VBIAS R809 R801 C824 J805 R810 open VBIAS -15V L801 VOP- C804 C825 +15V-->+5V +15V NJM78M05FA R802 VCC1...
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