AKM AKD4556-B Скачать руководство пользователя

Страница: 22 / 45

ASAHI KASEI

[AKD4556-B]

2006/08

AKM

AK4556 ADC THD + N vs Input Frequency

fs=192kHz

80k

100

200

500

10k

20k

50k

-120

-60

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

Figure 24. THD+N vs Input Frequency (Input Level =-1dBFS)

AKM

AK4556 ADC Linearity

fs=192kHz

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

dBr

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

Figure 25. Linearity (fin=1kHz)

Содержание AKD4556-B

Страница 1: ...rface and can achieve the interface with digital audio systems via opt connector Ordering guide AKD4556 B Evaluation board for AK4556 FUNCTION Digital interface DIT AK4114 optical or BNC DIR AK4114 optical or BNC 10pin header for serial control interface AK4114 DIR DIT Opt In Opt Out AK4556 5V LIN RIN LOUT ROUT 10pin Header DSP GND Regulator BNC BNC Figure 1 AKD4556 B Block Diagram Circuit diagram...

Страница 2: ... is supplied to the AK4556 the AK4114 and the Digital Logic via the regulator GND black 0V 2 Set up the evaluation modes jumper pins and DIP switch See the followings 3 Power on The AK4556 should be reset once bringing SW1 PDN L upon power up The function of the toggle SW SW1 Resets the AK4556 AK4114 Keep H during normal operation ...

Страница 3: ...terface format refer to Table 3 on page 8 For the AK4114 s sampling speed and audio interface format refer to Table 6 and Table 7 on page 9 Example Setting of the AK4556 mode 4 HPF ON Audio Format I2 S SW2 AK4556 SW3 AK4114 CKS3 CKS2 CKS1 CKS0 DIF1 DIF0 OCKS1 OCKS0 Speed SW2 3 SW2 4 SW2 5 SW2 6 SW3 3 SW3 4 SW3 5 SW3 6 Normal L H L L L H H L Double L H L L L H L L Quad L H L L L H H H 1 2 Master mo...

Страница 4: ...at I2 S SW2 AK4556 SW3 AK4114 CKS3 CKS2 CKS1 CKS0 DIF1 DIF0 OCKS1 OCKS0 Speed SW2 3 SW2 4 SW2 5 SW2 6 SW3 3 SW3 4 SW3 5 SW3 6 Nomal L H L L L H H L Double L H L L L H L L Quad L H L L L H H H 2 2 Master mode JP1 Short JP2 Short JP3 OPT or BNC SW3 1 XTL1 H SW3 2 XTL0 H SW3 3 DIF1 H SW3 4 DIF0 H SW3 7 CM0 L For the AK4556 s sampling speed and audio interface format refer to Table 3 on page 8 For the...

Страница 5: ... XTL0 H SW3 7 CM0 L 3 1 2 When using X tal oscillator X1 24 576MHz JP1 Short JP2 Short JP4 OPT or BNC SW3 1 XTL1 H SW3 2 XTL0 L SW3 7 CM0 H For the AK4556 s sampling speed and audio interface format refer to Table 3 on page 8 For the AK4114 s sampling speed and audio interface format refer to Table 6 and Table 7 on page 9 Example Setting of the AK4556 Mode 8 HPF ON Audio Format LJ SW2 AK4556 SW3 A...

Страница 6: ...llator X1 24 576MHz JP1 Short JP2 Short JP4 OPT or BNC SW3 1 XTL1 H SW3 2 XTL0 L SW3 3 DIF1 H SW3 4 DIF0 H SW3 7 CM0 H For the AK4556 s sampling speed and audio interface format refer to Table 3 on page 8 For the AK4114 s sampling speed and audio interface format refer to Table 6 and Table 7 on page 9 Example Setting of the AK4556 Master Mode HPF ON Audio Format I2 S SW2 AK4556 SW3 AK4114 CKS3 CKS...

Страница 7: ...pen SW3 3 DIF1 H SW3 4 DIF0 H In slave mode the AK4556 s sampling speed and audio interface format is set by SW2 See Table 1 on page 8 for possible mode setting 4 2 Master mode JP1 Open JP2 Open SW3 3 DIF1 H SW3 4 DIF0 H In master mode the AK4556 s sampling speed and audio interface format is set by SW2 See Table 1 on page 8 for possible mode setting ...

Страница 8: ...2fs Quad Speed 256 384fs Double Speed 512 768fs Normal Speed I2 S 5 L H L H ON Slave 256 384 512 768fs Normal Speed I2 S 6 L H H L OFF Slave 128 192fs Quad Speed 256 384fs Double Speed 512 768fs Normal Speed I2 S 7 L H H H OFF Slave 256 384 512 768fs Normal Speed I2 S 8 H L L L ON Slave 128 192fs Quad Speed 256 384fs Double Speed 512 768fs Normal Speed LJ 9 H L L H ON Slave 256 384 512 768fs Norma...

Страница 9: ... I2 S I Table 6 Audio Data Format OCKS1 OCKS0 MCKO1 X tal fs Max Speed L L 256fs 256fs 96kHz Double H L 512fs 512fs 48kHz Normal H H 128fs 128fs 192kHz Quad Table 7 Master Clock Output Frequency CM0 PLL Clock Souce SDTO L ON PLL RX H OFF X tal DAUX Table 8 Clock Operation Mode Jumper pins set up JP1 MCLK Short MCLK is supplied from the AK4114 Open MCLK is supplied from PORT3 JP2 SDTI Short SDTI is...

Страница 10: ...82901 2006 08 10 Analog input circuit J1 RIN C7 10u J2 LIN C8 10u LIN RIN Figure 2 Analog Input Circuit Analog output circuit C9 22u R8 220 J3 ROUT R9 10k C10 22u R10 10k R11 220 J4 LOUT LOUT ROUT Figure 3 Analog Output Circuit ...

Страница 11: ...dB Input 40kHzLPF 98 7 98 7 dB DR 60dB Input A weighted 104 3 104 3 dB 96kHz S N No Signal A weighted 104 4 104 4 dB S N D 1dB Input 40kHzLPF 90 8 90 8 dB DR 60dB Input 40kHz LPF 98 6 98 6 dB DR 60dB Input A weighted 103 8 103 8 dB 192kHz S N No Signal A weighted 103 9 103 9 dB DAC LOUT ROUT characteristics Sampling Frequency Parameter Condition Filter L dB R dB Units S N D 0dB Input 20kHzLPF 90 8...

Страница 12: ...0 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 F S Figure 4 FFT fin 1kHz Input Level 1dBFS AKM AK4556 ADC FFT fs 48kHz 60dB Input 20 20k 50 100 200 500 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 F S Figure 5 FFT fin 1kHz Input Level 60dBFS ...

Страница 13: ...0 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 F S Figure 6 FFT fin 1kHz No Signal AKM AK4556 ADC THD N vs Input Level fs 48kHz 120 10 110 100 90 80 70 60 50 40 30 20 dBr 120 60 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 7 THD N vs Input Level fin 1kHz ...

Страница 14: ...0 60 115 110 105 100 95 90 85 80 75 70 65 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 8 THD N vs Input Frequency Input Level 1dBFS AKM AK4556 ADC Linearity fs 48kHz 120 0 110 100 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 ...

Страница 15: ...e fs 48kHz 20 20k 50 100 200 500 1k 2k 5k 10k Hz 2 0 1 8 1 6 1 4 1 2 1 0 8 0 6 0 4 0 2 d B F S Figure 10 Frequency Response AKM AK4556 ADC Crosstalk fs 48kHz 20 20k 50 100 200 500 1k 2k 5k 10k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 11 Crosstalk ...

Страница 16: ... 10k 20k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 12 FFT fin 1kHz Input Level 1dBFS AKM AK4556 ADC FFT fs 96kHz 60dB Input 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 13 FFT fin 1kHz Input Level 60dBFS ...

Страница 17: ...k 2k 5k 10k 20k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 14 FFT fin 1kHz No Signal AKM AK4556 ADC THD N vs Input Level fs 96kHz 120 10 110 100 90 80 70 60 50 40 30 20 dBr 120 60 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 15 THD N vs Input Level fin 1kHz ...

Страница 18: ...k 50 100 200 500 1k 2k 5k 10k 20k Hz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 16 THD N vs Input Frequency Input Level 1dBFS AKM AK4556 ADC Linearity fs 96kHz 120 0 110 100 90 80 70 60 50 40 30 20 10 dBr 120 0 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 17 Linearity fin 1kHz ...

Страница 19: ...s 96k 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 2 0 1 8 1 6 1 4 1 2 1 0 8 0 6 0 4 0 2 d B F S Figure 18 Frequency Response AKM AK4556 ADC Crosstalk fs 96kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 19 Crosstalk ...

Страница 20: ... 20k 50k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 20 FFT fin 1kHz Input Level 1dBFS AKM AK4556 ADC FFT fs 192kHz 60dB Input 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 21 FFT fin 1kHz Input Level 60dBFS ...

Страница 21: ...2k 5k 10k 20k 50k Hz 180 0 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 22 FFT fin 1kHz No Signal AKM AK4556 ADC THD N vs Input Level fs 192kHz 120 10 110 100 90 80 70 60 50 40 30 20 dBr 120 60 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 23 THD N vs Input Level fin 1kHz ...

Страница 22: ...50 100 200 500 1k 2k 5k 10k 20k 50k Hz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 24 THD N vs Input Frequency Input Level 1dBFS AKM AK4556 ADC Linearity fs 192kHz 120 0 110 100 90 80 70 60 50 40 30 20 10 dBr 120 0 110 100 90 80 70 60 50 40 30 20 10 d B F S Figure 25 Linearity fin 1kHz ...

Страница 23: ...k 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz 2 0 1 8 1 6 1 4 1 2 1 0 8 0 6 0 4 0 2 d B F S Figure 26 Frequency Response AKM AK4556 ADC Crosstalk fs 192kHz 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 27 Crosstalk ...

Страница 24: ...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 28 FFT fin 1kHz Input Level 0dBFS AKM AK4556 DAC FFT fs 48kHz Notch Filter 20 20k 50 100 200 500 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 29 FFT fin 1kHz Input Level 0dBFS Notch Filter ...

Страница 25: ...k 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 30 FFT fin 1kHz Input Level 60dBFS AKM AK4556 DAC FFT fs 48kHz No Signal 20 20k 50 100 200 500 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 31 FFT fin 1kHz No Signal ...

Страница 26: ...70 60 50 40 30 20 10 dBFS 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 32 THD N vs Input Level fin 1kHz AKM AK4556 DAC THD N vs Input Frequency fs 48kHz 20 20k 50 100 200 500 1k 2k 5k 10k Hz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 33 THD N vs Input Frequency Input Level 0dBFS ...

Страница 27: ...0 80 70 60 50 40 30 20 10 dBFS 120 0 110 100 90 80 70 60 50 40 30 20 10 d B r A Figure 34 Linearity fin 1kHz AKM AK4556 DAC Frequency Response fs 48kHz 20 20k 50 100 200 500 1k 2k 5k 10k Hz 2 2 1 75 1 5 1 25 1 0 75 0 5 0 25 0 0 25 0 5 0 75 1 1 25 1 5 1 75 d B r A Figure 35 Frequency Response ...

Страница 28: ...ASAHI KASEI AKD4556 B KM082901 2006 08 28 AKM AK4556 DAC Crosstalk fs 48kHz 20 20k 50 100 200 500 1k 2k 5k 10k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 36 Crosstalk ...

Страница 29: ...k 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 37 FFT fin 1kHz Input Level 0dBFS AKM AK4556 DAC FFT fs 96kHz Notch Filter 20 40k 50 100 200 500 1k 2k 5k 10k 20k 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 38 FFT fin 1kHz Input Level 0dBFS Notch Filter ...

Страница 30: ... 10k 20k 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 39 FFT fin 1kHz Input Level 60dBFS AKM AK4556 DAC FFT fs 96kHz No Signal 20 40k 50 100 200 500 1k 2k 5k 10k 20k 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 40 FFT fin 1kHz No Signal ...

Страница 31: ... 60 50 40 30 20 10 dBFS 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 41 THD N vs Input Level fin 1kHz AKM AK4556 DAC THD N vs Input Frequency fs 96kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 42 THD N vs Input Frequency Input Level 1dBFS ...

Страница 32: ...80 70 60 50 40 30 20 10 dBFS 120 0 110 100 90 80 70 60 50 40 30 20 10 d B r A Figure 43 Linearity fin 1kHz AKM AK4556 DAC Frequency Response fs 96kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 2 2 1 75 1 5 1 25 1 0 75 0 5 0 25 0 0 25 0 5 0 75 1 1 25 1 5 1 75 d B r A Figure 44 Frequency Response ...

Страница 33: ...ASAHI KASEI AKD4556 B KM082901 2006 08 33 AKM AK4556 DAC Crosstalk fs 96kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 45 Crosstalk ...

Страница 34: ...k 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 46 FFT fin 1kHz Input Level 0dBFS AKM AK4556 DAC FFT fs 192kHz Notch Filter 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k 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 47 FFT fin 1kHz Input Level 0dBFS Notch Filter ...

Страница 35: ... 20k 50k 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 48 FFT fin 1kHz Input Level 60dBFS AKM AK4556 DAC FFT fs 192kHz No Signal 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k 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 49 FFT fin 1kHz No Signal ...

Страница 36: ... 60 50 40 30 20 10 dBFS 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 50 THD N vs Input Level fin 1kHz AKM AK4556 DAC THD N vs Input Frequency fs 192kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A Figure 51 THD N vs Input Frequency Input Level 0dBFS ...

Страница 37: ... 70 60 50 40 30 20 10 dBFS 120 0 110 100 90 80 70 60 50 40 30 20 10 d B r A Figure 52 Linearity fin 1kHz AKM AK4556 DAC Frequency Response fs 192kHz 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz 2 2 1 75 1 5 1 25 1 0 75 0 5 0 25 0 0 25 0 5 0 75 1 1 25 1 5 1 75 d B r A Figure 53 Frequency Response ...

Страница 38: ...ASAHI KASEI AKD4556 B KM082901 2006 08 38 AKM AK4556 DAC Crosstalk fs 192kHz 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz 150 80 145 140 135 130 125 120 115 110 105 100 95 90 85 d B Figure 54 Crosstalk ...

Страница 39: ... or system and AKM assumes no responsibility relating to any such use except with the express 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 medicine aerospace nuclear energy or other fields in which its failure to function or perform may reasonably b...

Страница 40: ...1 10 CKS0 9 VD 5 DEM0 6 DEM1 7 SDTO 8 SDTI 13 LRCK 14 MCLK 15 BCLK 16 PDN 17 VCOM 18 LOUT 19 ROUT 20 CKS2 11 CKS3 12 U1 AK4556 U1 AK4556 GND 1 OUT 2 IN 3 T2 LT1117 3 3 T2 LT1117 3 3 C4 0 1u C4 0 1u R9 10k R9 10k C5 10u C5 10u J2 LIN J2 LIN GND 1 OUT 2 IN 3 T1 LT1117 3 3 T1 LT1117 3 3 C2 2 2u C2 2 2u C17 47u C17 47u C10 22u C10 22u C15 47u C15 47u C8 10u C8 10u C11 0 1u C11 0 1u C9 22u C9 22u R5 51...

Страница 41: ...K 24 SDTO 25 BICK 26 MCKO2 27 DAUX 28 XTO 29 XTI 30 PDN 31 CM0 CDTO 32 CM1 CDTI 33 OCKS1 CCLK 34 OCKS0 CSN 35 INT0 36 INT1 37 AVDD 38 R 39 VCOM 40 AVSS 41 RX0 42 AVSS 43 RX1 44 TEST1 45 RX2 46 AVSS 47 RX3 48 U2 AK4114 U2 AK4114 C27 5p C27 5p 1 2 3 4 5 6 7 14 13 12 11 10 9 8 SW3 AK4114 Mode Setting SW3 AK4114 Mode Setting R24 220k R24 220k GND 1 VCC 2 IN 3 PORT2 TOTX141 PORT2 TOTX141 1 2 L1 short L...

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