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AKM AsahiKASEI AKD4440-A Manual

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The AKD4440-A is an evaluation board for the AK4440, 24bit DAC with 2Vrms line output for cost and
performance based audio systems. The AKD4440-A has the interface with AKM's A/D converter
evaluation boards and the interface with digital audio systems via optical connector. Therefore, it is easy
to evaluate the AK4440.
Ordering guide
AKD4440-A ---
• Compatible with 2 types of input data interface
- Direct interface with AKM's A/D converter evaluation boards via 10-pin header
- On-board AK4118 as DIR, which accepts optical or BNC Inputs
• Optical output for internal DIT
• BNC connector for an external clock input
• BNC connector for DAC output
Digital In
BNC
DSP data
<KM097204>
GENERAL DESCRIPTION
AK4440 Evaluation Board
AK4118
(DIR)
10 pin
Header
Figure 1. AKD4440-A Block Diagram
AK4440 Evaluation Board Rev.3
FUNCTION
DGND
VCC
74LVC541
.
- 1 -
[AKD4440-A]
AKD4440-A
VDD AVSS1
Analog Out
AK4440
AVDD AVSS2
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
2009/5

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Summary of Contents for AKM AsahiKASEI AKD4440-A

  • Page 1 The AKD4440-A is an evaluation board for the AK4440, 24bit DAC with 2Vrms line output for cost and performance based audio systems. The AKD4440-A has the interface with AKM’s A/D converter evaluation boards and the interface with digital audio systems via optical connector. Therefore, it is easy to evaluate the AK4440.
  • Page 2 2) D/A part evaluation using 10-pin connector on the AKM’s A/D evaluation board Use PORT3 (DSP). It is able to evaluate the AK4440, connecting the 10-pin connector on the AKM’s A/D evaluation board and PORT3 (DSP) via 10-line flat cable. MCLK, BICK, LRCK and SDTI are sent from the A/D converter evaluation board to the AKD4440 through PORT3 (DSP) via 10-line flat cable.
  • Page 3 [AKD4440-A] Other Jumper pins set up (1) JP1 (SDTI1): Select the input of SDTI2 pin OPEN: Separated SHORT: <Default> (2) JP2 (SDTI1): Select the input of SDTI3 pin OPEN: Separated SHORT: <Default> (3) JP3 (SDTI1): Select the input of SDTI4 pin OPEN: Separated SHORT: <Default>...
  • Page 4 [AKD4440-A] DIP Switch set up [S1]: AK4118 Setting Default DIF1 Setting of AK4118 Audio Interface Format (Refer Table 2.) DIF0 OCKS1 Selection of AK4118 Master Clock Output frequency (Refer Table 3.) OCKS0 Table 1. Set up modes of AK4118 Mode DIF1 DIF0 SDTO...

  • Page 5: 10Pin Connector

    BNC-R-PC (short) ROUT1 AK4440-ROUT1 (short) 3.3n (open) BNC-R-PC (short) LOUT1 AK4440-LOUT1 (short) (open) 3.3n Figure 3. LOUT/ROUT Output circuit * AKM assumes no responsibility for the trouble when using the above circuit examples. <KM097204> 2009/5 - - 5 - -...
  • Page 6 10pin header. When running this control soft on the Windows 2000/XP, the driver which is included in the CD must be installed. Refer to the “Driver Control Install Manual for AKM Device Control Software” for installing the driver. When running this control soft on the windows 95/98/ME, driver installing is not necessary. This control soft does not support the Windows NT.

  • Page 7: Operation Overview

    [AKD4440-A] ■ 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: Reg]: Register Map

    [AKD4440-A] ■ Tab Functions 1. [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). Button Up indicates “L”...
  • Page 9 [AKD4440-A] [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. When checking the checkbox, the register will be “H” or “1”, when not checking the register will be “L” or ”0”. Click [OK] to write setting value to the registers, or click [Cancel] to cancel this setting.

  • Page 10: Dialog Boxes

    [AKD4440-A] ■ Dialog Boxes 1. [All Req Write]: All Req 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. [Open (left)]: Selecting a register setting file (*.akr). [Write]: Executing register writing.
  • Page 11 [AKD4440-A] [Data R/W]: Data R/W Dialog Box Click the [Data R/W] button in the main window for data read/write dialog box. Data write is available to specified address. Address Box: Input data address in hexadecimal numbers for data writing. Data Box: Input data in hexadecimal numbers. Mask Box: Input mask data in hexadecimal numbers.
  • Page 12 [AKD4440-A] Measurement Results [Measurement condition] • Measurement unit : Audio Precision System two Cascade (AP2) • MCLK : 512fs • BICK : 64fs • fs : 44.1kHz • Bit : 24bit • Power Supply : VDD=AVDD=5V • Interface : DIR •...
  • Page 13 [AKD4440-A] Plot Data FFT 0dB fs=44.1KHz,fin=1KHz -100 -120 -140 -160 -180 Figure 4. FFT (0dB) FFT -60dB fs=44.1KHz,fin=1KHz -100 -120 -140 -160 -180 Figure 5. FFT (-60dB) <KM097204> 2009/5 - - 13 - -...
  • Page 14 [AKD4440-A] FFT No Signal fs=44.1KHz,fin=1KHz -100 -120 -140 -160 -180 Figure 6. FFT (No Signal) FFT Out of Band Noise fs=44.1KHz,fin=1KHz -100 -120 -140 -160 -180 100k Figure 7. FFT (Out of Band Noise) <KM097204> 2009/5 - - 14 - -...
  • Page 15 [AKD4440-A] THD + N vs. Input Level fs=44.1KHz,fin=1KHz -100 -110 -120 -120 -100 dBFS Figure 8. THD + N vs. Input Level THD + N vs. Input Frequency fs=44.1KHz,0dB -100 -110 -120 Figure 9. THD + N vs. Input Frequency <KM097204>...
  • Page 16 [AKD4440-A] Frequency Response fs=44.1KHz,0dB +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 Figure 10. Frequency Response Crosstalk fs=44.1KHz,0dB -100 -120 Figure 11. Crosstalk <KM097204> 2009/5 - 16 -...
  • Page 17 [AKD4440-A] Linearity fs=44.1KHz,fin=1KHz -100 -120 -140 -140 -120 -100 dBFS Figure 12. Linearity <KM097204> 2009/5 - 17 -...
  • Page 18 AKM harmless from any and all claims arising from the use of said product in the absence of such notification.
  • Page 19 MCLK MCLK MCLK AK4440-MCLK BICK BICK BICK AK4440-BICK SDTI1 SDTI1 SDTI1 AK4440-SDTI1 LRCK LRCK MCLK 0.1uF 0.1uF 10uF 10uF LRCK AK4440-LRCK BICK VSS2 SDTI1 LRCK TEST SMUTE/CNS/CAD0 LOUT1 LOUT1 LOUT1 AK4440-SMUTE/CNS/CAD0 AK4440-LOUT1 SMUTE/CSN/CAD0 LOUT1 ACKS/CCLK/SCL ROUT1 ACKS/CCLK/SCL ROUT1 ROUT1 ROUT1 AK4440-ACKS/CCLK/SCL AK4440-ROUT1 DIF0/CDTI/SDA...
  • Page 20 PORT1 PORT1 A1-10PA-2.54DSA A1-10PA-2.54DSA MCLK BICK VCC1 LRCK SDTI1 SDTI2 4118-VCC 4118-VCC (open) (open) (open) (open) 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u VIN/GP0 SDTO XTL1 BICK EXT-MCLK JP4(3x1) JP4(3x1) AK4440-MCLK MCLK XTL0 MCKO2 EXT-BICK JP5(3x1) JP5(3x1) AK4440-BICK BICK P/SN DAUX JP6(2x1) JP6(2x1) AK4440-SDTI1...
  • Page 21 EXT-MCLK JP10 JP10 74AC74 74AC74 (3x2) (3x2) (4x2) (4x2) JP11 JP11 (3x2) (3x2) 74AC74 74AC74 EXT-BICK BNC-R-PC BNC-R-PC BCFS JP13 JP13 (3x2) (3x2) JP12 JP12 (2x1) (2x1) EXT-LRCK 74AC163 74AC163 74HC4040 74HC4040 LRFS 74HC14 74HC14 74HC14 74HC14 LOAD 74HC14 74HC14 74HC14 74HC14 74HC14...
  • Page 22 BNC-R-PC BNC-R-PC SMUTE (short) (short) ACKS ROUT1 AK4440-ROUT1 DIF0 TDM0B (short) (short) DEM0 DEM1/I2C 3.3n 3.3n (open) (open) MODE2 MODE2 AK4440-SMUTE AK4440-ACKS BNC-R-PC BNC-R-PC AK4440-DIF0 (short) (short) AK4440-TDM0B LOUT1 AK4440-LOUT1 AK4440-DEM0 AK4440-I2C/DEM1 AK4440-P/S (short) (short) (open) (open) 3.3n 3.3n BNC-R-PC BNC-R-PC (short) (short)

  • Page 23: Power Supply

    AVDD AVDD AVSS1 AVSS1 AVSS2 AVSS2 DGND DGND T_45(RED) T_45(RED) T_45(RED) T_45(RED) T_45(RED) T_45(RED) T_45(BLACK) T_45(BLACK) T_45(BLACK) T_45(BLACK) T_45(BLACK) T_45(BLACK) AVDD VDDi VCCi AVSS1 AVSS2 DGND AVDD VDDi VCCi (short) (short) (short) (short) (short) (short) JP14 JP14 For 74HC14 x 1, 74HCT04 x 1, 74AC74 x 1, 74HC4040 x 1, (2x1) (2x1) 74AC163 x 1, 74HC14 x 1...