AKM AKD4558-A Скачать руководство пользователя страница 30

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[AKD4558-A]

2015/04

AK4558 THD+N vs Input Frequency ADC (LIN/RIN:L/R)

[fs=48kHz, -1dBFS]

20k

100

200

500

10k

-120

-70

-115

-110

-105

-100

-95

-90

-85

-80

-75

RRRRRRRRRRRRRRRR RRRRR RR

RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR RRR RRR RRRRR RRRRRRRRRRRRRRRRRRRR

RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

Figure 18. ADC – THD+N vs. Input Frequency [fs = 48kHz]

AK4558 Linearity ADC (LIN/RIN:L/R)

[fs=48kHz, fin=1kHz]

-140

-120

-100

-80

-60

-40

-20

dBr

-140

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

Figure 19. ADC – Linearity [fs = 48kHz]

- 30 -

Содержание AKD4558-A

Страница 1: ...an be connected to the digital audio system via optical connector Ordering guide AKD4558 A Evaluation board for AK4558 Control software included with package FUNCTION Clock generator circuit AK4118A u...

Страница 2: ...ROUT 3 PORT1 PORT2 Optical Connector PORT1 Input optical signal to AK4118A PORT2 Output optical signal from AK4118A 4 J700 J701 J702 J703 J704 J705 J706 Power supply J700 12V 12V Power Supply J701 AV...

Страница 3: ...switch DIP type switch Sets clock and audio format and filter of AK4558 10 SW400 Toggle switch Toggle type switch PDN for AK4558 H PDN High L PDN Low 11 SW401 Toggle switch Toggle type switch PDN for...

Страница 4: ...4 Evaluation Board Manual Operation sequence 1 Power supply line settings 2 Jumped pins settings 3 DIP switches settings 4 Toggle switches settings 5 Data format settings 6 Register control Serial con...

Страница 5: ...and JP701 REG1 8V by default when 3 3V regulator is used JP702 1pin 2pin short and JP701 REG3 3V when jack is used JP702 2pin 3pin short REG 1 8V JP702 1pin 2pin short and JP701 REG1 8V J703 VDD18 Ye...

Страница 6: ...d by default JP702 2pin 3pin short Jack is used REG JP702 1pin 2pin short JP703 VDD18 Select regulator power supply or jack for VDD18 VDD18 for AK4558 JP703 1pin 2pin short 1 8V regulator is used by d...

Страница 7: ...3 MCLK EXT External MCLK JACK J400 EXT input GND GND DIR DIR AK4118 MCKI default 6 JP404 BICK PHASE THR 1pin 2pin short Select polarity non inverted output inverted output of BICK_SEL outputs THR Non...

Страница 8: ...open Jack 2pin 3pin short Power supply jack J701 AVDD1 18 JP701 TVDDVOL SEL REG1 8V 2pin 3pin short Select power supply voltage of TVDD REG3 3V 1pin 2pin short Regulator T1 default REG1 8V 2pin 3pin s...

Страница 9: ...eft justified 16bit Right justified H L O 64fs O 1 0 0 1 24bit Left justified 18bit Right justified H L O 64fs O 2 0 1 0 24bit Left justified 20bit Right justified H L O 64fs O 3 0 1 1 24bit Left just...

Страница 10: ...in H L DAC Rch Power Down H Normal Mode H 5 CAD1 Chip Address1 Pin in serial control mode PS pin L L 6 CAD0 Chip Address0 Pin in serial control mode PS pin L L 7 LOPS DAC Lch Rch Output LOUT ROUT Powe...

Страница 11: ...K4558 Reset AK4558 U1 once by brining SW401 to L once upon power up Keep H when AK4558 is in use keep L when AK4558 is not in use SW400 Power Down PDN for AK4118A Power Down PDN Switch for AK4118A Res...

Страница 12: ...L H H OFF Slave 256 384 512 768fs Normal Speed 4 L H L L ON Slave 128 192fs Quad Speed 256 384fs Double Speed 512 768fs Normal Speed 32bit I2 S Mode 7 5 L H L H ON Slave 256 384 512 768fs Normal Spee...

Страница 13: ...D4558 A can be controlled via USB serial port Connect board to PC using the USB cable PORT600 serial included with the AKD4558 A The control software is packed with the evaluation board The software o...

Страница 14: ...MADL PMDAR PMDAL RSTN R W RD RD RD R W R W R W R W R W Default 0 0 0 0 0 0 0 1 Table 12 Addr 00H control register setting 7 2 DAC Digital Analog Toggle switch setting SW400 SW401 L H L H AK4118 U2 Use...

Страница 15: ...ID Human Interface Device on the PC It is not necessary to install a new driver 3 Start up the control program When the screen does not display AKUSBIF B at bottom left reconnect the PC and the USB co...

Страница 16: ...When the device is reset by a hardware reset use this button to initialize the registers 3 All Write Executes write commands for all registers displayed 4 All Read Executes read commands for all regis...

Страница 17: ...itch 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 or 0 and the bit name is in blue when read only it is in gray Grayout registers are...

Страница 18: ...rite setting values to the registers or click Cancel to cancel this setting Figure 5 Window of Register Set 1 2 Read Data Read Click Read button located on the right of the each corresponded address t...

Страница 19: ...AKD4558 A KM116602 2015 04 2 Tool Testing Tools This tab screen is for the evaluation testing tool Click button for each testing tool Figure 6 Window of Tool 19...

Страница 20: ...data in hexadecimal numbers Step Box Data write step interval Repeat Count Box Repeat count of the test writing Up and Down Box Data write flow is changed as below Checked Writes in step interval fro...

Страница 21: ...data in hexadecimal numbers End Data Box End data in hexadecimal numbers Interval Box Data write interval time Step Box Data write step interval Mode Select Box Mode select check box Checked Writes i...

Страница 22: ...te All Executes all register writings Selected files are executed in descending order Help Opens a help window Save Saves a register setting file assignment The file name is mar Open right Opens a sav...

Страница 23: ...ers Mask Box Input mask data in hexadecimal numbers This is AND processed input data Write Writs the data generated from Data and Mask values to the address specified by Address box Read Reads data fr...

Страница 24: ...11 Window of Sequence Sequence Setting Set register sequence by following process bellow 1 Select a command Use Select pull down box to choose commands Corresponding boxes will be valid Select Pull do...

Страница 25: ...nterval Stop None End None Control Buttons The function of Control Button is shown bellow Start Executes the sequence Help Opens a help window Save Saves sequence settings as a file The file name is a...

Страница 26: ...ence settings Selected files are executed in descending order Help Opens a help window Save Saves a sequence setting file assignment The file name is mas Open right Opens a saved sequence setting file...

Страница 27: ...dBFS 95 0 94 8 dB fs 192kHz 1dBFS 94 3 94 0 dB DR fs 48kHz 60dBFS A Weighted 108 5 108 4 dB fs 96kHz 60dBFS A Weighted 108 2 108 2 dB fs 192kHz 60dBFS A Weighted 108 1 108 1 dB S N fs 48kHz A weighted...

Страница 28: ...0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 14 ADC FFT 1dBFS fs 48kHz AK4558 FFT ADC LIN RIN L R fs 48kHz fin 1kHz 60dBFS 180 0 1...

Страница 29: ...110 100 90 80 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 16 ADC FFT No Signal fs 48kHz AK4558 THD N vs Amplitude ADC LIN RIN L R fs 48kHz fin 1kHz 140 0 120 100 80 60 4...

Страница 30: ...R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R...

Страница 31: ...Hz 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 d B F S Figure 20 ADC Frequency Response fs 48kHz AK4558 Crosstalk ADC LIN RIN L R fs 48kHz 1dBFS 20 20k 50 100 200 500...

Страница 32: ...0 100 200 500 1k 2k 5k 10k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A Figure 22 DAC FFT 0BFS fs 48kHz AK4558 FFT DAC LOUT ROUT fs 48kHz fin 1kHz 60dBFS 20 20k 50 100 2...

Страница 33: ...k 10k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A Figure 24 DAC FFT No Signal fs 48kHz AK4558 THD N vs Amplitude DAC LOUT ROUT fs 48kHz fin 1kHz 140 0 120 100 80 60 40...

Страница 34: ...0 100 200 500 1k 2k 5k 10k Hz 120 70 115 110 105 100 95 90 85 80 75 d B r A Figure 26 DAC1 THD N vs Input Frequency fs 48kHz AK4558 Linearity DAC LOUT ROUT fs 48kHz fin 1kHz 140 0 120 100 80 60 40 20...

Страница 35: ...Hz 1 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 d B r A Figure 28 DAC Frequency Response fs 48kHz AK4558 Crosstalk DAC LOUT ROUT fs 48kHz 0dBFS 20 20k 50 100 200 500 1...

Страница 36: ...or complying with safety standards and for providing adequate designs and safeguards for your hardware software and systems which minimize risk and avoid situations in which a malfunction or failure o...

Страница 37: ...2 AKD4558 A A3 1 7 Tuesday April 07 2015 Title Size Document Number Rev Date Sheet of AK4558 2 AKD4558 A A3 1 7 Tuesday April 07 2015 Title Size Document Number Rev Date Sheet of AK4558 2 AKD4558 A A...

Страница 38: ...log IN OUT 2 AKD4558 A A3 2 7 Tuesday April 07 2015 Title Size Document Number Rev Date Sheet of Analog IN OUT 2 AKD4558 A A3 2 7 Tuesday April 07 2015 Title Size Document Number Rev Date Sheet of Ana...

Страница 39: ...TX SW300 1 2 3 4 5 10 9 8 7 6 C304 10u C303 0 1u TP300 RX C305 10u R305 47k C311 5p C300 0 1u C310 5p R304 47k C301 10u C306 0 1u PORT2 PLTx GND 1 VCC 2 IN 3 C307 0 47u C309 10u R300 51 C302 0 1u U2 I...

Страница 40: ...A3 4 7 Tuesday April 07 2015 Title Size Document Number Rev Date Sheet of LOGIC 2 AKD4558 A A3 4 7 Tuesday April 07 2015 JP408 TDMI O SEL J400 EXT 1 2 3 4 5 R402 1k C401 0 1u TP403 TDMI JP400 EXT C40...

Страница 41: ...07 2015 Title Size Document Number Rev Date Sheet of LOGIC 2 AKD4558 A A3 5 7 Tuesday April 07 2015 JP500 PMADL SCLSEL JP503 PMDAR CAD1SEL U501 74VCX541 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 G1 1 G...

Страница 42: ...10 INT1 SCK SCL 9 RB2 AN8 INT2 VMO 10 RB3 AN9 CPP2 VPO 11 NC ICCK ICPGC 12 NC ICDT ICPGD 13 RB4 AN11 KBI0 CSSPP 14 RB5 KBI1 PGM 15 RB6 KBI2 PGC 16 RB7 KBI3 PGD 17 MCLR_N Vpp RE3 18 RA0 AN0 19 RA1 AN1...

Страница 43: ...07 2015 Title Size Document Number Rev Date Sheet of POWER 2 AKD4558 A A3 7 7 Tuesday April 07 2015 R703 0 C712 47u T1 LT1963AEST 3 3 IN 1 GND 2 OUT 3 JP702 TVDD SEL JP705 GND C705 47u J701 AVDD1 1 C7...

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