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AKM AKD4569, Руководство пользователя

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ASAHI KASEI

[AKD4569]

<KM074000>

2004/02

- 1 -

GENERAL DESCRIPTION

The AKD4569 is an evaluation board for the AK4569, the Audio CODEC with IPGA and HP-amp. The
AKD4569 can evaluate A/D and D/A in addition to A/D to D/A loopback mode. The AKD4569 also has the
digital audio interface and can achieve the interface with digital audio systems via opt-connector.

n

 

Ordering guide

AKD4569

---

Evaluation board for AK4569

(Cable for connecting with printer port of IBM-AT compatible PC and control
software are packed with this. This control software does not support Windows NT.)

FUNCTION

o

 

Compatible with 2 types of interface

- DIR(AK4116)/DIT(AK4114) with optical input/output
- Direct interface with AKM’s A/D,D/A converter evaluation boards by 10pin header

o

 

10pin header for serial control interface

AINL

AINR

LIN/RIN/MIN

MOUT

HPL

Headphone

HPR

GND

AK4569

AK4114(DIT)

10pin Header

10pin Header

Control Data

EXTCLK

Opt In

Opt Out

DSP

+3V

AK4116(DIR)

Figure 1. AKD4569 Block Diagram

* Circuit diagram and PCB layout are attached at the end of this manual.

Evaluation board Rev.A for AK4569

AKD4569

Содержание AKD4569

Страница 1: ...r port of IBM AT compatible PC and control software are packed with this This control software does not support Windows NT FUNCTION o Compatible with 2 types of interface DIR AK4116 DIT AK4114 with op...

Страница 2: ...shorted VD Orange 3V Logic Parts JP13 should be shorted and VD jack should be open when VD is common with DVDD Default JP13 is shorted AGND Black 0V Analog ground AGND jack should be always supplied D...

Страница 3: ...5 HPL J6 HP J7 HPR Figure 3 Connection diagram for each evaluation mode Setup of jumper pins signal I O connector and DIR for each evaluation mode Mode 1 Mode 2 Mode 3 Mode 4 JP6 MCLK short short shor...

Страница 4: ...Addr 01H of AK4116 should be set to 01 by the control software akd4116 1 exe packed with AKD4569 3 Evaluation of DAC Default On board DIR AK4116 generates MCLK BICK LRCK and SDATA from the received da...

Страница 5: ...1 Table 4 AK4114 interface format setup 1 ON 0 OFF Clock mode No 2 OCKS1 256fs 0 Default 512fs 1 Table 5 AK4114 clock mode setup 1 ON 0 OFF n The function of the toggle SW SW1 4569_PDN Resets the AK45...

Страница 6: ...Windows95 98 ME this installation is not needed This control software does not operate on Windows NT 3 Insert the CD ROM labeled AK4569 Evaluation Kit into the CD ROM drive 4 Access the CD ROM drive...

Страница 7: ...not check this check box data reaches end data but does not return to start data Example Start Data 00 End Data 09 Data flow 00 01 02 03 04 05 06 07 08 09 If you want to write the input data to AK4569...

Страница 8: ...labeled AK4569 Evaluation Kit into the CD ROM drive 4 Access the CD ROM drive and double click the icon of akd4116_1 exe and akd4116_2 exe to set up the control program 5 Then please evaluate accordi...

Страница 9: ...lter Results S N D 1kHz 1dB 20kLPF 85 1dB DR 1kHz 60dB 20kLPF A weighted 88 6dB S N No signal 20kLPF A weighted 88 6dB 2 DAC part Measurement condition Measurement unit Audio Precision System two Casc...

Страница 10: ...BW 10Hz 20kHz Bit 20bit Power Supply AVDD DVDD HVDD 3V Interface DIT Temperature Room Figure 4 FFT 1kHz 1dBFS input Figure 5 FFT 1kHz 60dBFS input Figure 6 FFT Noise floor Figure 7 THD N vs Input Leve...

Страница 11: ...10k Hz 180 0 160 140 120 100 80 60 40 20 d B F S Figure 4 FFT 1kHz 1dBFS input FFT points 16384 Avg 8 Window Equiripple AKM AK4569 ADC FFT fs 44 1kHz fin 1kHz 60dBr Input FFT point 16384 Avg 8 window...

Страница 12: ...int 16384 Avg 8 window Equiripple last at2c Color Line Style Thick Data Axis Red Solid 3 Fft Ch 1 Ampl Left Blue Solid 3 Fft Ch 2 Ampl Left 20 20k 50 100 200 500 1k 2k 5k 10k Hz 180 0 160 140 120 100...

Страница 13: ...95 92 5 90 87 5 85 82 5 80 77 5 75 72 5 70 67 5 65 62 5 d B F S 120 10 110 100 90 80 70 60 50 40 30 20 dBr Figure 7 THD N vs Input Level fin 1kHz AKM AK4569 ADC THD N vs fin fs 44 1kHz 1dBFS Input la...

Страница 14: ...100 90 80 70 60 50 40 30 20 10 d B F S 120 0 110 100 90 80 70 60 50 40 30 20 10 dBr Figure 9 Linearity fin 1kHz AKM AK4569 ADC Frequency Response fs 48kHz 1dBFS Input last at2c Color Line Style Thick...

Страница 15: ...Input Upper 1kHz Lch Rch Lower 1kHz Rch Lch last at2c Color Line Style Thick Data Axis Red Solid 3 DSP Anlr Crosstalk A Left Magenta Solid 3 DSP Anlr Crosstalk B Left 130 70 125 120 115 110 105 100 9...

Страница 16: ...it 20bit Power Supply AVDD DVDD HVDD 3V Interface DIR Temperature Room Figure 12 FFT 1kHz 0dBFS input Figure 13 FFT 1kHz 60dBFS input Figure 14 FFT Noise floor Figure 15 FFT Outband noise Figure 16 TH...

Страница 17: ...20 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 12 FFT 1kHz 0dBFS input FFT points 16384 Avg 8 Window Equiripple AKM AK4569 DAC FFT fs 44 1kHz fin 1kHz 60dBFS Input FFT point 16384 Avg 8 windo...

Страница 18: ...40 20 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 14 FFT Noise floor FFT points 16384 Avg 8 Window Equiripple AKM AK4569 DAC FFT Out band noise FFT point 16384 Avg 8 window Equiripple last a...

Страница 19: ...0 65 60 55 50 45 d B r A 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 16 THD N vs Input Level fin 1kHz AKM AK4569 DAC THD N vs Input Frequency fs 44 1kHz fin 1kHz Input Level 0dBFS las...

Страница 20: ...0 90 80 70 60 50 40 30 20 10 d B r A 120 0 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 18 Linearity fin 1kHz AKM AK4569 DAC Frequency Response fs 44 1kHz Input Level 0dB last at2c Color Line Style...

Страница 21: ...nput Level 0dB Upper 1kHz Lch Rch Lower 1kHz Rch Lch last at2c Color Line Style Thick Data Axis Red Solid 3 Anlr Crosstalk Left Blue Solid 3 Anlr Crosstalk Left 120 0 110 100 90 80 70 60 50 40 30 20 1...

Страница 22: ...ress written consent of the Representative Director of AKM As used here a A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in...

Страница 23: ...RX0 DVDD DVSS XTI XTO LRCK BICK SDTO DAUX MCKO CDTO CDTI CCLK CSN INT1 INT0 PDN AVSS R AVDD U2 AK4569 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 PDN CSN CCLK CDTI LRCK...

Страница 24: ...4 11 10 U1D 74HC14 9 8 R41 10k C36 0 1u R33 10k R39 100 D2 1S1588 R34 10k C41 0 1u R35 18k PORT3 DSP 1 2 3 4 5 6 7 8 9 10 RP1 47k 5 4 3 2 1 C40 0 1u U5 AK4114 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...

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