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AKM AK4584 Manual

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ASAHI KASEI
AKD4584 is an evaluation board for the 24bit 96kHz CODEC, AK4584. The AKD4584 can evaluate A/D
converter D/A converter separately in addition to loop back mode (A/D → D/A). The AKD4584 also has
the digital audio interface and can achieve the interface with digital audio systems via opt-connector.
Ordering guide
AKD4584
---
• DIT/DIR with optical input/output
• BNC connector for an external clock input
• 10pin Header for serial control mode
LIN
RIN
LOUT
ROUT
Opt In
BNC In
Opt out
BNC out
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM065802>
GENERAL DESCRIPTION
Evaluation board for AK4584
(Cable for connecting with printer port of IBM-AT,
compatible PC and control software are packed with this.)
FUNCTION
2.7 ~ 5.25V 4.75 ~ 5.25V GND
AK4584
Figure 1. AKD4584 Block Diagram
AK4584 Evaluation Board Rev.A
Control Data
10pin Header
ROM
10pin Header
AK4114
Clock
Gen
- 1 -
[AKD4584]
AKD4584
Opt In
Opt Out
2009/06

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Summary of Contents for AKM AK4584

  • Page 1 AK4584 Evaluation Board Rev.A GENERAL DESCRIPTION AKD4584 is an evaluation board for the 24bit 96kHz CODEC, AK4584. The AKD4584 can evaluate A/D converter D/A converter separately in addition to loop back mode (A/D → D/A). The AKD4584 also has the digital audio interface and can achieve the interface with digital audio systems via opt-connector.

  • Page 2: Evaluation Board Manual

    The analog output of AK4584’s DAC outputs from J2 (ROUT), J4 (LOUT). ROUT ROUT LOUT LOUT Figure 3. LOUT/ROUT Output circuits * AKM assumes no responsibility for the trouble when using the above circuit examples. <KM065802> 2009/06 - 2 -...
  • Page 3 JP12 RX1-4 RX1-4 RX1-4 RX1-4 2. Digital signal is input to RX1-4 pins via J7 (RX) and PORT5 (DIR). JP13 JP13 * AKM assumes no responsibility for the trouble when using the above circuit examples. <KM065802> 2009/06 - 3 -...
  • Page 4 1. Digital signal is output to TX1-3 pins respectively. TX1-3 TX1-3 TX1-3 2. Digital signal is output to TX1-3 pins via J6 (TX) and PORT4 (DIT). * AKM assumes no responsibility for the trouble when using the above circuit examples. <KM065802> 2009/06 - 4 -...

  • Page 5: Operation Sequence

    Evaluation mode (1) Slave mode In case of AK4584 evaluation using AK4114, it is necessary to correspond to AK4584’s and AK4114’s audio interface format. About AK4584’s audio interface format, refer to AK4584’s datasheet. About AK4114’s audio interface format, see Table2.
  • Page 6 • SW2 (MODE) setting (See Table 1) Normal speed and double speed are same setting. (1) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (2) When DMCK is “H”, MCKO1 output is disabled.
  • Page 7 (2) Set the master clock output of AK4114using OCKS1-0. (3) Set the PLL mode or X’tal mode of AK4114 using CM0. (4) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (5) When DMCK is “H”, MCKO1 output is disabled.
  • Page 8 (2) Set the master clock output of AK4114using OCKS1-0. (3) Set the PLL mode or X’tal mode of AK4114 using CM0. (4) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (5) When DMCK is “H”, MCKO1 output is disabled.
  • Page 9 LRCK SDTI • SW2 (MODE) setting (See Table 1) (1) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (2) When DMCK is “H”, MCKO1 output is disabled. 1 2 3 4 5 9 10 <KM065802>...
  • Page 10 • SW2 (MODE) setting (See Table 1) Normal speed and double speed are same setting. (1) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (2) When DMCK is “H”, MCKO1 output is disabled.
  • Page 11 • SW2 (MODE) setting (See Table 1) Normal speed, double speed and quad speed mode are same setting. (1) When XTALE is “H”, MCLK can output from MCKO1/2 pins though AK4584 is powered down. (2) When DMCK is “H”, MCKO1 output is disabled.
  • Page 12 SHORT: Common. (The connector “DGND” can be open.) The function of the toggle SW Upper-side is “H” and lower-side is “L”. [SW1] (PDN): Power down of AK4584. Keep “H” during normal operation. [SW3] (DIR): Power down of AK4114. Keep “H” during normal operation.
  • Page 13 [LED3] (ERF): Output INT0 pin of AK4114. [LED4] (DZF): Output DZF pin of AK4584. Serial Control The AK4584 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT3 (CTRL) with PC by 10 wire flat cable packed with the AKD4584. Connect...
  • Page 14 10pin header. (Please install the driver in the CD-ROM when this control software is used on Windows 2000/XP. Please refer “Installation Manual of Control Software Driver by AKM device control software”. In case of Windows95/98/ME, this installation is not needed. This control software does not operate on Windows NT.)
  • Page 15 If you check the check box, data becomes “H” or “1”. If not, “L” or “0”. When writing the input data to AK4584, click [OK] button. If not, click [Cancel] button. 2. [Function1 Dialog]: Dialog to write data by keyboard operation Address Box: Input registers address in 2 figures of hexadecimal.
  • Page 16 (2) Set the file name and push [Save] Button. The extension of file name is “akr”. 4-2. [Open] The register setting data saved by [Save] is written to AK4584. The file type is the same as [Save]. (Operation flow) (1) Click [Open] Button.
  • Page 17 ASAHI KASEI [AKD4584] 5. [Function3 Dialog] The sequence of register setting can be set and executed. (1) Click [F3] Button. (2) Set the control sequence. Set the address, Data and Interval time. Set “-1” to the address of the step where the sequence should be paused. (3) Click [Start] button.
  • Page 18 ASAHI KASEI [AKD4584] 6. [Function4 Dialog] The sequence that is created on [Function3] can be assigned to buttons and executed. When [F4] button is clicked, the window as shown in Figure 2 opens. Figure 2. [F4] window <KM065802> 2009/06 - 18 -...
  • Page 19 ASAHI KASEI [AKD4584] 6-1. [OPEN] buttons on left side and [START] buttons (1) Click [OPEN] button and select the sequence file (*.aks). The sequence file name is displayed as shown in Figure 3. Figure 3. [F4] window(2) (2) Click [START] button, then the sequence is executed. 3-2.
  • Page 20 ASAHI KASEI [AKD4584] 7. [Function5 Dialog] The register setting that is created by [SAVE] function on main window can be assigned to buttons and executed. When [F5] button is clicked, the following window as shown in Figure 4opens. Figure 4. [F5] window 7-1.

  • Page 21: Measurement Results

    ASAHI KASEI [AKD4584] MEASUREMENT RESULTS [Measurement condition] • Measurement unit : Audio Precision, System Two Cascade • MCLK : 256fs • BCLK : 64fs • fs : 44.1kHz, 96kHz • Bit : 24bit • Power Supply : AVDD=DVDD= PVDD=5.0V, TVDD=3.0V •...
  • Page 22 ASAHI KASEI [AKD4584] [ADC Plot : fs=44.1kHz] AK4584 ADC THD+N vs. Input Level VDD=5.0V, fs=44.1kHz, fin=1kHz -100 -102 -104 -106 -108 -110 -120 -110 -100 dB r C olor Lin e Style Th ick D ata Axis Blue So lid D SP Anlr.TH D +N Am pl A...
  • Page 23 Lin e Style Th ick D ata Axis Blue So lid D SP Anlr.Ban dp as s A L eft la s t.at2c Figure 3. Linearity AK4584 ADC Frequency Response VDD=5.0V, fs=44.1kHz, Input=-0.5dBr -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9...
  • Page 24 D SP Anlr.C ro s s talk B L eft Blue So lid D SP Anlr.C ro s s talk A L eft la s t.at2c Figure 5. Crosstalk AK4584 ADC FFT Plot VDD=5.0V, fs=44.1kHz, fin=1kHz, Input=-0.5dBr -100 -120 -140 -160 -180 C olor...
  • Page 25 ASAHI KASEI [AKD4584] AK4584 ADC FFT Plot VDD=5.0V, fs=44.1kHz, fin=1kHz, Input=-60dBr -100 -120 -140 -160 -180 C olor Lin e Style Th ick D ata Axis Blue So lid Fft.C h.1 Am pl Le ft la s t.at2c Figure 7. FFT Plot AK4584 ADC FFT Plot VDD=5.0V, fs=44.1kHz, fin=None...
  • Page 26 ASAHI KASEI [AKD4584] [ADC Plot : fs=96kHz] AK4584 ADC THD+N vs. Input Level VDD=5.0V, fs=96kHz, fin=1kHz -100 -102 -104 -106 -108 -110 -120 -110 -100 dB r C olor Lin e Style Th ick D ata Axis Blue So lid D SP Anlr.TH D +N Am pl A...
  • Page 27 Lin e Style Th ick D ata Axis Blue So lid D SP Anlr.Ban dp as s A L eft la s t.at2c Figure 11. Linearity AK4584 ADC Frequency Response VDD=5.0V, fs=96kHz, Input=-0.5dBr -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9...
  • Page 28 D SP Anlr.C ro s s talk B L eft Blue So lid D SP Anlr.C ro s s talk A L eft la s t.at2c Figure 13. Crosstalk AK4584 ADC FFT Plot VDD=5.0V, fs=96kHz, fin=1kHz, Input=-0.5dBr -100 -120 -140 -160 -180 C olor...
  • Page 29 ASAHI KASEI [AKD4584] AK4584 ADC FFT Plot VDD=5.0V, fs=96kHz, fin=1kHz, Input=-60dBr -100 -120 -140 -160 -180 C olor Lin e Style Th ick D ata Axis Blue So lid Fft.C h.1 Am pl Le ft la s t.at2c Figure 15. FFT Plot AK4584 ADC FFT Plot VDD=5.0V, fs=96kHz, fin=None...
  • Page 30 ASAHI KASEI [AKD4584] [DAC Plot : fs=44.1kHz] AK4584 DAC THD+N vs. Input Level VDD=5.0V, fs=44.1kHz, fin=1kHz -100 -102 -104 -106 -108 -110 -120 -110 -100 dB FS C olor Lin e Style Th ick D ata Axis Blue So lid Anlr.TH D +N Am pl...
  • Page 31 Lin e Style Th ick D ata Axis Blue So lid Anlr.Ban dp as s L eft la s t.at2c Figure 3. Linearity AK4584 DAC Frequency Response VDD=5.0V, fs=44.1kHz, Input=0dBFS +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 C olor...
  • Page 32 So lid Anlr.C ros s talk L eft Blue So lid Anlr.C ros s talk L eft la s t.at2c Figure 5. Crosstalk AK4584 DAC FFT Plot VDD=5.0V, fs=44.1kHz, fin=1kHz, Input=0dBFS -100 -120 -140 -160 -180 C olor Lin e Style...
  • Page 33 ASAHI KASEI [AKD4584] AK4584 DAC FFT Plot VDD=5.0V, fs=44.1kHz, fin=1kHz, Input=-60dBFS -100 -120 -140 -160 -180 C olor Lin e Style Th ick D ata Axis Blue So lid Fft.C h.1 Am pl Le ft la s t.at2c Figure 7. FFT Plot AK4584 DAC FFT Plot VDD=5.0V, fs=44.1kHz, fin=None...
  • Page 34 ASAHI KASEI [AKD4584] [DAC Plot : fs=96kHz] AK4584 DAC THD+N vs. Input Level VDD=5.0V, fs=96kHz, fin=1kHz -100 -102 -104 -106 -108 -110 -120 -110 -100 dB FS C olor Lin e Style Th ick D ata Axis Blue So lid Anlr.TH D +N Am pl...
  • Page 35 ASAHI KASEI [AKD4584] AK4584 DAC Frequency Response VDD=5.0V, fs=96kHz, fin=1kHz -100 -110 -120 -120 -110 -100 dB FS C olor Lin e Style Th ick D ata Axis Blue So lid Anlr.Ban dp as s L eft la s t.at2c Figure 11.
  • Page 36 So lid Anlr.C ros s talk L eft Blue So lid Anlr.C ros s talk L eft la s t.at2c Figure 13. Crosstalk AK4584 DAC FFT Plot VDD=5.0V, fs=96kHz, fin=1kHz, Input=0dBFS -100 -120 -140 -160 -180 C olor Lin e Style...
  • Page 37 ASAHI KASEI [AKD4584] AK4584 DAC FFT Plot VDD=5.0V, fs=96kHz, fin=1kHz, Input=-60dBFS -100 -120 -140 -160 -180 C olor Lin e Style Th ick D ata Axis Blue So lid Fft.C h.1 Am pl Le ft la s t.at2c Figure 15. FFT Plot AK4584 DAC FFT Plot VDD=5.0V, fs=96kHz, fin=None...
  • Page 38 ASAHI KASEI [AKD4584] AK4584 DAC FFT Plot VDD=5.0V, fs=44.1kHz, fin=None -100 -120 -140 -160 -180 C olor Lin e Style Th ick D ata Axis Blue So lid Fft.C h.1 Am pl Le ft la s t.at2c Figure 17. Outband Noise (fs=44.1kHz) AK4584 DAC FFT Plot VDD=5.0V, fs=96kHz, fin=None...

  • Page 39: Revision History

    • It is the responsibility of the buyer or distributor of an AKM product who distributes, disposes of, or otherwise places the product with a third party to notify that party in advance of the above content and conditions, and the buyer or distributor agrees to assume any 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.
  • Page 40 DVDD (short) + C1 HSU119 74HC14 74HC14 0.1u 0.1u 0.1u TEST2 ROUT ROUT LOUT LOUT + C8 VCOM 0.1u 2.2u 4584_LRCK AK4584 LED1 INT0 74HCT04 INT0 LRCK LED2 4584_BICK INT1 74HCT04 INT1 BICK CDTI CDTI SDTI 4584_SDTI 4584_SDTO CDTO CDTO...
  • Page 41 TO92 VOUT 0.1u 0.1u PORT1 + C20 0.1u 0.1u 0.47u LED3 74HCT04 IPS0 INT0 DIF0 DIF1 DIF2 OCKS0 OCKS0 OCKS0 OCKS1 TEST3 XTALE OCKS1 DIF0 OCKS1 DMCK MODE TEST2 DIF1 HSU119 OCKS0 AK4114 OCKS1 TEST3 XTALE 74HC14 74HC14 DMCK DIF2 0.1u 11.2896MHz IPS1...
  • Page 42 ROUT ROUT LOUT LOUT AVDD LED4 RN1202 (10k,10k) 74HCT04 74HCT04 74AC74 74HCT04 74HC14 74HC14 Title AKD4584 Size Document Number Input/Output Date: Tuesday, May 22, 2001 Sheet...
  • Page 43 EXT_MCLK CCLK CDTI MCLK PORT3 74AC74 BCFS EXT_BICK CCLK CDTI CDTO R31 51 74HCT541 CTRL EXT_LRCK CDTO LRFS 74HC4040 PORT4 SDTI 0.1u TX1-3 4584_SDTI 4584_SDTO DAUX 4584_MCKO MCKI MCKO DA-02F 74HCT541 DIR_MCLK JP10 EXT_MCLK MCLK 4584_MCKO PORT5 DIR_BICK JP11 BICK + C38 4584_BICK 0.1u...