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AKM AKD4432-SA Manual
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AKM AKD4432-SA Manual

Sound quality evaluation board rev.2
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The AKD4432-SA is an evaluation board for the AK4432 (32-bit 2ch DAC) that supports DVD-Audios,
Car-Audio Systems, allowing quick evaluation with digital audio interface.
 Ordering guide
AKD4432-SA
 3 type digital audio interface
- Optical input
- COAX input
- External input
 2ch Analog outputs
 USB Port for Serial control
COAX In
USB
B-TYPE
[KM119002]
Arrow.com.
Downloaded from
AK4432 Sound Quality Evaluation Board Rev.2
--- Evaluation board for AK4432
（Control software is packed with this board）
AGND
DGND
Reg
12V→3.3V
D3.3V
DIR
AK4118A
Opt In
5x2pin
Header
(DSP)
Audio
Signals
DGND
PIC
18F4550
Figure 1. AKD4432-SA Block Diagram
GENERAL DESCRIPTION
FUNCTION
+12V
Reg
12V→3.3V
VSS
LVDD
AVDD
DGND
AK4432
MCLK
BICK
LRCK
SDTI
I2C/SPI
D3.3V
- 1-
[AKD4432-SA]
AKD4432-SA
L
R
2017/03

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Summary of Contents for AKM AKD4432-SA

  • Page 1 [AKD4432-SA] AKD4432-SA AK4432 Sound Quality Evaluation Board Rev.2 GENERAL DESCRIPTION The AKD4432-SA is an evaluation board for the AK4432 (32-bit 2ch DAC) that supports DVD-Audios, Car-Audio Systems, allowing quick evaluation with digital audio interface.  Ordering guide AKD4432-SA --- Evaluation board for AK4432 （Control software is packed with this board）...
  • Page 2 [AKD4432-SA] Board Diagram  Board Diagram Figure 2. AKD4432-SA Board Diagram - 2- [KM119002] 2017/03 Arrow.com. Arrow.com. Downloaded from Downloaded from...
  • Page 3 [AKD4432-SA]  Description (1) Connector for Power supply +12V、AGND Terminals for power supply. Refer to table1. (2) AOUTL、AOUTR RCA Jack for analog outputs. (3) COAX、OPT Input SPDIF signal to AK4118A. When using the COAX：R302=0Ω、R303=Open (Default) When using the OPT：R302=Open、R303=0Ω (4) AK4118A AK4118A outputs digital data to AK4432 as DIR.
  • Page 4 [AKD4432-SA] Evaluation Board Manual ■Operation sequence [1] Set up power supplies The power should be separated from the source of a power supplier. Name of Color of Voltage Use application Comment and attention connector connector Should always be ・Regulator +12V +12V connected.
  • Page 5 [AKD4432-SA] SW401 setting Switch Name Function default I2C pin of AK4432 H：I2C mode L：SPI mode PS pin of AK4432 H：Parallel mode L：Serial mode I2CFIL pin of AK4432 I2CFIL H：Fast Mode Plus(1MHz) L：Fast Mode(400kHz) ACKS pin of AK4432 ACKS H：Auto Setting Mode L：Manual Setting Mode...

  • Page 6: Control Soft Manual

    [AKD4432-SA] Control Soft Manual ■ Evaluation Board and Control Soft Settings 1. Set an evaluation board properly. 2. Connect a USB control box (AKUSBIF-B) and an evaluation board. Pay attention about direction of the 10pin header when connecting to an AKUSBIF-B.

  • Page 7: Operation Overview

    [AKD4432-SA] ■ Operation Overview Function, register map and testing tool can be controlled by this control soft. These controls are selected by upper tabs. Buttons which are frequently used such as register initializing button “Write Default”, are located outside of the switching tab window.
  • Page 8 [AKD4432-SA] Function Tab 1. [Function]: Function Map This tab is for a function and volume setting. Each operation is executed by [Function] buttons on the left side of the screen. Figure 4. Window of [ Function ] [Function] Tab • Audio I/F Setting: Audio interface function setting.
  • Page 9 [AKD4432-SA] [Audio I/F Format(DIF1-0 bits)]: Audio interface format select. 16bit, Right justified 20bit, Right justified 24bit, Left justified 24bit, I 24bit, Right justified 32bit, Right justified 32bit, Left justified (default) 32bit, I 1-2.[DAC Setting Control] [DAC Power Up/Down]: DAC power management function setting by push down of a button.
  • Page 10 [AKD4432-SA] Tab Functions 2. [REG]: Register Map This tab is for a register writing and reading. Each bit on the register map is a push-button switch. Button Down indicates “H” or “1” and the bit name is in red (when read only it is in deep red).
  • Page 11 [AKD4432-SA] 1-1. [Write]: Data Writing Dialog It is for when changing two or more bits on the same address at the same time. Click [Write] button located on the right of the each corresponded address for a pop-up dialog box.
  • Page 12 [AKD4432-SA] ■ Dialog Boxes 1. [All Reg Write]: All Reg Write dialog box Click [All Reg Write] button in the main window to open register setting files. Register setting files saved by [Save] button can be applied. Figure 7. Window of [ All Reg Write ] [Open (left)]: Selects a register setting file (*.akr).

  • Page 13: Operating Suggestions

    [AKD4432-SA] ~ Operating Suggestions ~ Those files saved by [Save] button and opened by [Open] button on the right of the dialog “*.mar” should be stored in the same folder. When register settings are changed by [Save] button in the main window, re-read the file to reflect new register settings.

  • Page 14: Sequence Setting

    [AKD4432-SA] 2. [Sequence]: Sequence Dialog Box Click [Sequence] button to open register sequence setting dialog box. Register sequence can be set in this dialog box. Figure 8. Window of [Sequence ] ~ Sequence Setting ~ Set register sequence by following process bellow.

  • Page 15: Control Buttons

    [AKD4432-SA] Input sequence [Address]: Data address [Data]: Writing data [Mask]: Mask [Data] box data is ANDed with [Mask] box data. This is the actual writing data. When Mask = 0x00, current setting is hold. When Mask = 0xFF, the 8bit data which is set in the [Data] box is written.
  • Page 16 [AKD4432-SA] 4. [Sequence(File)]: Sequence Setting File Dialog Box Click [Sequence(File)] button to open sequence setting file dialog box. Those files saved in the “Sequence setting dialog” can be applied in this dialog. Figure 9. Window of [ Sequence(File) ] [Open (left)]: Opens a sequence setting file (*.aks).
  • Page 17 [AKD4432-SA] Measurement Results [Measurement condition] ・ Measurement unit : Audio Precision, SYS-2722 (No.00103) ・ MCKI : 512fs ,256fs,128fs ・ BICK : 64fs ・ fs : 48kHz、96kHz ・ Bit : 24bit ・ Input Frequency : 1kHz ・ Power Supply :＋12V, GND AVDD=LVDD=3.3V (Regulator)
  • Page 18 [AKD4432-SA] [Plot Data] fs=48kHz, MCLK=512fs, BICK=64fs DAC : SDTI => DAC => AOUTL/AOUTR -100 -120 -140 -160 -180 Figure 11. FFT (0dBFS) [fs = 48kHz] -100 -120 -140 -160 -180 Figure 12. FFT (-60dBFS) [fs = 48kHz] - 18- [KM119002] 2017/03 Arrow.com.
  • Page 19 [AKD4432-SA] -100 -120 -140 -160 -180 Figure 13. FFT (No Inputs fs=48kHz] -100 -110 -120 -130 -140 -140 -120 -100 dBFS Figure 14. THD+N vs. Amplitude (Input Level) [fs = 48kHz] - 19- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 20 [AKD4432-SA] -100 -110 -120 -130 Figure 15. THD+N vs. Input Frequency [fs = 48kHz, 0dBFS Inputs] -100 -120 -140 -140 -120 -100 dBFS Figure 16. Linearity [fs = 48kHz] - 20- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 21 [AKD4432-SA] +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 Figure 17. Frequency Response [fs = 48kHz] -100 -110 -120 -130 -140 -150 Figure 18. Crosstalk [fs = 48kHz] - 21- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 22 [AKD4432-SA] [Plot Data] fs=96kHz, MCLK=256fs, BICK=64fs DAC : SDTI => DAC => AOUTL/AOUTR -100 -120 -140 -160 -180 Figure 19. FFT (0dBFS) [fs = 96kHz] -100 -120 -140 -160 -180 Figure 20. FFT (-60dBFS) [fs = 96kHz] - 22- [KM119002] 2017/03 Arrow.com.
  • Page 23 [AKD4432-SA] -100 -120 -140 -160 -180 Figure 21. FFT (No Inputs fs=96kHz] -100 -110 -120 -130 -140 -140 -120 -100 dBFS Figure 22. THD+N vs. Amplitude (Input Level) [fs = 96kHz] - 23- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 24 [AKD4432-SA] -100 -110 -120 -130 Figure 23. THD+N vs. Input Frequency [fs = 96kHz, 0dBFS Inputs] -100 -120 -140 -140 -120 -100 dBFS Figure 24. Linearity [fs = 96kHz] - 24- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 25 [AKD4432-SA] +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 Figure 25. Frequency Response [fs = 96kHz] -100 -110 -120 -130 -140 -150 Figure 26. Crosstalk [fs = 96kHz] - 25- [KM119002] 2017/03 Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.

  • Page 26: Revision History

    AKM or any third party with respect to the information in this document. You are fully responsible for use of such information contained in this document in your product design or applications.
  • Page 27 U101 C101 1u+100p MCLK MCLK LDOO BICK BICK LVDD AK4432 SDTI SDTI AVDD C104 C105 0.01u(F) 47u(A) LRCK LRCK C106 2.2u+100p VCOM SMUTE/CSN/I2CFIL SMUT/CSN/I2CFIL AOUTL ACKS/CCLK/SCL ACKS/CCLK/SCL AOUTR DIF/CDTI/SDA DIF/CDTI/SDA Title Title Title Size Size Size - 27- Date: Date: Date: Arrow.com.
  • Page 28 J201 AOUT C201 10u(A) AOUTR C203 R201 open AGND AGND J202 AOUT C202 10u(A) AOUTL C204 R202 open AGND AGND Title Title Title Size Size Size - 28- Date: Date: Date: Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com. Arrow.com.
  • Page 29 PORT301 C301 R302 COAX R301 C302 47u(A) DGND C302A 10p L301 10uH(DIP) C303 0.01u(F) D3.3V PORT302 R304 R303 open R305 C306 0.01u(F) C304 C305 0.01u(F) 10u(A) DGND IPS0 INT0 D3.3V INT0 OCKS0 OCKS0 DIF0 OCKS1 DIF0 OCKS1 U301 TEST2 DIF1 DIF1 AK4118A 4118-PDN...
  • Page 30 S=L : A=B1 S=H : A=B2 U401 4432-CSN/I2CFIL R401 I2CFIL SMUTE CCLK/SCL ACKS CDTI/SDA D3.3V TC7MBL3257 C401 0.01u(F) D3.3V D3.3V D3.3V SW 401 R406 D401 R407 U403 D402 SW DIP-6 ON : MUTE D3.3V OFF : UNMUTE C403 0.01u(F) C404 I2CFIL 0.01u(F) ACKS...
  • Page 31 R501 100k R502 4.7k U501 PCA9 C503 C504 10u(A) 10u(A) C505 C506 0.1u 0.1u JP501 R511 USB-RST 100k MCLR_N/Vpp/RE3 RB7/KBI3/PGD C507 R512 RB6/KBI2/PGC 0.1u 100k RB5/KBI1/PGM RB4/AN11/KBI0/CSSPP NC/ICCK/ICPGC SILK-SCREEN RB3/AN9/CPP2/VPO NC/ICDT/ICPGD 1:VDD U503 RB2/AN8/INT2/VMO NC/ICRST_N/ICVpp 2:MCLR RB1/AN10/INT1/SCK/SCL NC/ICPORTS 3:PGD C509 22p 4:PGC RB0/AN12/INT0/FLT0/SDI/SDA 5:GND...
  • Page 32 J601 J602 +12V AGND DGND C601 C614 470u(A) AGND AGND R602 +12V-->+3.3V T601 LM2937ET-3.3/NOPB R601 C602 C603 C604 C605 47u(A) 0.01u(F) 0.01u(F) 47u(A) +12V-->+3.3V T603 LM2937ET-3.3/NOPB R603 C610 C611 C612 C613 47u(A) 0.01u(F) 0.01u(F) 47u(A) - 32- Arrow.com. Arrow.com. Arrow.com. Arrow.com.