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AKM AKD4396-SBW Manual

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The AKD4396-SBW is an evaluation board for AK4396, which is 192kHz sampling 24Bit ΔΣ DAC. The
AKD4396-SBW includes a LPF which can add differential analog outputs from the AK4396 and also has a
digital interface. Therefore, it is easy to evaluate the AK4396.
Ordering Guide
AKD4396-SBW --- Evaluation board for AK4396
On-board Analog output buffer circuit
On-board digital audio interface. (AK4113)
COAX In
Opt In
* Circuit diagram and PCB layout are attached at the end of this manual.
COAX is recommended for an evaluation of the Sound quality.
<KM078103>
General Description
Function
DIR
AK4396
AK4113
Figure 1 Block diagram
AKD4396-SBW Rev.2
2nd Order LPF
1
[AKD4396-SBW]

Evaluation board

Lch
Rch
2011/03

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Summary of Contents for AKM AKD4396-SBW

  • Page 1: Evaluation Board

    The AKD4396-SBW is an evaluation board for AK4396, which is 192kHz sampling 24Bit ΔΣ DAC. The AKD4396-SBW includes a LPF which can add differential analog outputs from the AK4396 and also has a digital interface. Therefore, it is easy to evaluate the AK4396.

  • Page 2: Operation Sequence

    [AKD4396-SBW] Operation sequence 1) Set up the power supply lines. (See “Other jumpers set-up”.) Name Color Voltage Comments Attention Regulator, This jack is always needed. Power line +15V +12∼+15V Power supply for Op-amp. Regulator, -15V Blue This jack is always needed. Power line -12∼-15V...

  • Page 3: Evaluation Mode

    [AKD4396-SBW] Evaluation mode DIR(COAX) (default) J1 is used for the evaluation using such as CD test disk. The DIR generates MCLK, BICK and LRCK SDATA from the received data through BNC connector (J1). Setting of jumper is shown below. COAX is recommended for an evaluation of the Sound quality.
  • Page 4 [AKD4396-SBW] The frequency of the master clock output is set by OCKS0 and OCKS1 as shown in Table 4. OCKS1 OCKS0 MCLK Frequency 256fs @fs=88.2/96kHz 512fs @32/44.1/48kHz Default 128fs @176.4/192kHz Table 4 MCLK Clock SW1 setting [SW1](PDN): Reset of AK4396. Select “H” during operation External Analog Circuit The differential output circuit and LPF is implemented on board.

  • Page 5: Operation Flow

    Windows NT.) 3. Insert the CD-ROM labeled “AKD4396-SBW Evaluation Kit” into the CD-ROM drive. 4. Access the CD-ROM drive and double-click the icon of “akd4396-sbw.exe” to set up the control program. 5. Then please evaluate according to the follows. Operation flow Keep the following flow.
  • Page 6 [AKD4396-SBW] Explanation of each dialog 1. [Write Dialog] : Dialog to write data by mouse operation There are dialogs corresponding to each register. Click the [Write] button corresponding to each register to set up the dialog. If you check the check box, data becomes “H”...

  • Page 7: Save] And [Open]

    [AKD4396-SBW] 4. [Save] and [Open] 4-1. [Save] Save the current register setting data. The extension of file name is “akr”. (Operation flow) (1) Click [Save] Button. (2) Set the file name and push [Save] Button. The extension of file name is “akr”.
  • Page 8 [AKD4396-SBW] 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.
  • Page 9 [AKD4396-SBW] 6. [Function4 Dialog] The sequence that is created on [Function3] can be assigned to buttons and executed. When [F4] button is clicked, window Figure 6 as shown in opens. Figure 6. [F4] window <KM078103> 2011/03...
  • Page 10 [AKD4396-SBW] 6-1. [OPEN] buttons on left side and [START] buttons (1) Click [OPEN] button and select the sequence file (*.aks). Figure 7 The sequence file name is displayed as shown in Figure 7. [F4] window(2) (2) Click [START] button, then the sequence is executed.
  • Page 11 [AKD4396-SBW] 7. [Function5 Dialog] The register setting that is created by [SAVE] function on main window can be assigned to buttons and executed. When Figure 8 [F5] button is clicked, the following window as shown in opens. Figure 8. [F5] window 7-1.
  • Page 12 [AKD4396-SBW] Measurement Results [Measurement condition] • Measurement unit : Audio Precision System two Cascade (AP2) • MCLK : 512fs (44.1kHz), 256fs (96kHz), 128fs (192kHz) • BICK : 64fs • fs : 44.1kHz, 96kHz, 192kHz • Bit : 24bit • Power Supply : AVDD= DVDD=5V •...
  • Page 13 [AKD4396-SBW] Plots (fs=44.1kHz) AK4396 FFT fs=44.1kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 9 FFT (fin=1kHz, Input Level=0dBFS) AK4396 FFT plot fs=44.1kHz AVDD=DVDD=5V, -60dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 10 FFT (fin=1kHz, Input Level=-60dBFS) <KM078103>...
  • Page 14 [AKD4396-SBW] (fs=44.1kHz) AK4396 FFT plot fs=44.1kHz AVDD=DVDD=5V, No signal input -100 -110 -120 -130 -140 -150 -160 Figure 11 FFT (Noise Floor) AK4396 FFT fs=44.1kHz AVDD=DVDD=5V, 0dBFS input, outband noize -100 -110 -120 -130 -140 -150 -160 100k Figure 12 FFT (Out of band noise) (fs=44.1kHz)
  • Page 15 [AKD4396-SBW] AK4396 THD+N vs Input Level fs=44.1kHz AVDD=DVDD=5V, 0dBFS -100 -105 -110 -115 -120 -125 -130 -135 -140 -140 -130 -120 -110 -100 dBFS Figure 13 THD+N vs. Input level (fin=1kHz) AK4396 THD+N vs Input Frequency fs=44.1kHz AVDD=DVDD=5V, 0dBFS input...
  • Page 16 [AKD4396-SBW] AK4396 Linearity fs=44.1kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -150 -140 -130 -120 -110 -100 dBFS Figure 15 Linearity (fin=1kHz) AK4396 Frequency Respons fs=44.1kHz AVDD=DVDD=5V, 0dBFS input +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 -1.2 -1.4...
  • Page 17 [AKD4396-SBW] AK4396 Crosstalk (Red:Lch, Blue:Rch) fs=44.1kHz AVDD=DVDD=5V, 0dBFS input -100 -105 -110 -115 -120 -125 -130 -135 -140 Figure 17 Crosstalk (Input level=0dBFS) <KM078103> 2011/03...
  • Page 18 [AKD4396-SBW] (fs=96kHz) AK4396 FFT fs=96kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 18 FFT (fin=1kHz, Input Level=0dBFS) AK4396 FFT fs=96kHz AVDD=DVDD=5V, 0dBFS input, notch -100 -110 -120 -130 -140 -150 -160 Figure 19 FFT(fin=1kHz, Input Level=0dBFS, Notch) <KM078103>...
  • Page 19 [AKD4396-SBW] (fs=96kHz) AK4396 FFT fs=96kHz AVDD=DVDD=5V, -60dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 20 FFT (fin=1kHz, Input Level=-60dBFS) AK4396 FFT fs=96kHz AVDD=DVDD=5V, No signal input -100 -110 -120 -130 -140 -150 -160 Figure 21 FFT (Noise Floor) (fs=96kHz) <KM078103>...
  • Page 20 [AKD4396-SBW] AK4396 THD+N vs Input Level fs=96kHz AVDD=DVDD=5V, 0dBFS input -100 -105 -110 -115 -120 -125 -130 -135 -140 -140 -130 -120 -110 -100 dBFS Figure 22 THD+N vs. Input level (fin=1kHz) AK4396 THD+N vs Input Frequency fs=96kHz AVDD=DVDD=5V, 0dBFS input...
  • Page 21 [AKD4396-SBW] AK4396 Linearity fs=96kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -150 -140 -130 -120 -110 -100 dBFS Figure 24 Linearity (fin=1kHz) AK4396 Frequency Respons fs=96kHz AVDD=DVDD=5V, 0dBFS input +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 -1.2 -1.4...
  • Page 22 [AKD4396-SBW] AK4396 Crosstalk (Red:Lch, Blue:Rch) fs=96kHz AVDD=DVDD=5V, 0dBFS input -100 -105 -110 -115 -120 -125 -130 -135 -140 Figure 26 Crosstalk (Input level=0dBFS) <KM078103> 2011/03...
  • Page 23 [AKD4396-SBW] (fs=192kHz) AK4396 FFT fs=192kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 27 FFT (fin=1kHz, Input Level=0dBFS) AK4396 FFT fs=192kHz AVDD=DVDD=5V, 0dBFS input, notch -100 -110 -120 -130 -140 -150 -160 Figure 28 FFT(fin=1kHz, Input Level=0dBFS, Notch) <KM078103>...
  • Page 24 [AKD4396-SBW] (fs=192kHz) AK4396 FFT fs=192kHz AVDD=DVDD=5V, -60dBFS input -100 -110 -120 -130 -140 -150 -160 Figure 29 FFT (fin=1kHz, Input Level=-60dBFS) AK4396 FFT fs=192kHz AVDD=DVDD=5V, No signal input -100 -110 -120 -130 -140 -150 -160 Figure 30 FFT (Noise Floor) (fs=192kHz) <KM078103>...
  • Page 25 [AKD4396-SBW] AK4396 THD+N vs Input Level fs=192kHz AVDD=DVDD=5V, 0dBFS input -100 -105 -110 -115 -120 -125 -130 -135 -140 -140 -130 -120 -110 -100 dBFS Figure 31 THD+N vs. Input level (fin=1kHz) AK4396 THD+N vs Input Frequency fs=192kHz AVDD=DVDD=5V, 0dBFS input...
  • Page 26 [AKD4396-SBW] AK4396 Linearity fs=192kHz AVDD=DVDD=5V, 0dBFS input -100 -110 -120 -130 -140 -150 -150 -140 -130 -120 -110 -100 dBFS Figure 33 Linearity (fin=1kHz) AK4396 Frequency Respons fs=192kHz AVDD=DVDD=5V, 0dBFS input +0.8 +0.6 +0.4 +0.2 -0.2 -0.4 -0.6 -0.8 -1.2 -1.4...
  • Page 27 [AKD4396-SBW] AK4396 Cross talk (Red:Lch, Blue:Rch) fs=192kHz AVDD=DVDD=5V, 0dBFS input -100 -105 -110 -115 -120 -125 -130 -135 -140 Figure 35 Crosstalk (Input level=0dBFS) <KM078103> 2011/03...

  • Page 28: Revision History

    AKM assumes no responsibility for any losses incurred by you or third parties arising from the use of these information herein. AKM assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of such information contained herein.
  • Page 29 AK4396 AK4396 (open) (open) CCLK CDTI CCLK PORT2 PORT2 CDTI uP-I/F uP-I/F 0.1u 0.1u Title Title Title AKD4396-SBW AKD4396-SBW AKD4396-SBW Size Size Size Document Number Document Number Document Number AK4396 AK4396 AK4396 74LVC157 74LVC157 Date: Date: Date: Friday, February 25, 2011...
  • Page 30 100u 100u AOUTR- 100p 100p 3.9n 3.9n 100p 100p 1.2k 1.2k 100p 100p Title Title Title AKD4396-SBW AKD4396-SBW AKD4396-SBW Size Size Size Document Number Document Number Document Number Analog Analog Analog Date: Date: Date: Friday, February 25, 2011 Friday, February 25, 2011...

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