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ASAHI KASEI 

 

[AKD4709-A] 

<KM103002>  

2011/06 

 

AK4709 AINL/AINR 

Æ

 TVOUTL/TVOUTR: THD+N Amplitude vs Input Frequency: Input Level=0dB 

-110

-80

-108

-106

-104

-102

-100

-98

-96

-94

-92

-90

-88

-86

-84

-82

d

B

r
 

A

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

 

Figure1-5. THD+N vs. Input Frequency (Input level=0dB) 

 

AK4709 AINL/AINR 

Æ

 TVOUTL/TVOUTR: Linearity: fin=1KHz 

-140

+0

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

d

B

r
 

A

-140

+0

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

dBr

 

Figure1-6.Linearity (fin=1kHz) 

 
 

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Содержание AKD4709-A

Страница 1: ...nnectors for analog audio input output XLR connectors for analog audio input RCA connectors for analog video input output 10pin header for serial control interface AK4709 AINL AINL AINR AINR VD1 VD2 A...

Страница 2: ...uld be connected when JP7 VCC_SEL is set to REG side Should be open when JP7 VCC_SEL is set to VCC side open AGND Black 0V Analog Ground Should be always connected 0V VSS2 Black 0V Analog Ground Shoul...

Страница 3: ...lied 3 3V to all circuits by shorting JP5 JP7 and JP8 and supplying 12V to VP connector The function of the toggle SW SW1 PDN Resets the AK4709 Keep H during normal operation The indication content fo...

Страница 4: ...OUTR J12 VCROUTL J12 VCROUTR Max 2 15Vrms Input J1 ENCV J5 ENCY J9 ENCRC J13 ENCC J17 ENCG J22 ENCB J25 TVVIN J28 VCRVIN J30 VCRRC J31 VCRG J33 VCRB Max 1 25Vpp Video Output J2 TVVOUT J6 TVRC J10 TVG...

Страница 5: ...soft on the Windows 2000 XP the driver which is included in the CD must be installed Refer to the Driver Control Install Manual for AKM Device Control Software for installing the driver When running...

Страница 6: ...ecting USB I F board AKDUSBIF A 2 Write Default Register Initializing When the device is reset by a hardware reset use this button to initialize the registers 3 All Write Executing write commands for...

Страница 7: ...ter map is a push button switch 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...

Страница 8: ...or 0 Click OK to write setting value to the registers or click Cancel to cancel this setting Read Data Read Click Read button located on the right of the each corresponded address to execute register...

Страница 9: ...ASAHI KASEI AKD4709 A KM103002 2011 06 Tool Testing Tools This tab screen is for evaluation testing tool Click buttons for each testing tool 9...

Страница 10: ...writings Writings are executed in descending order Help Help window is popped up Save Saving the register setting file assignment The file name is mar Open right Opening a saved register setting file...

Страница 11: ...a in hexadecimal numbers Mask Box Input mask data in hexadecimal numbers This is AND processed input data Write Writing to the address specified by Address box Read Reading from the address specified...

Страница 12: ...L TVOUTR Parameter Input signal Measurement filter Results Lch dB Results Rch dB S N D At 2Vrms Output 1kHz 0dBFS 20kLPF 95 0 94 9 DR 1kHz 60dBFS 22kLPF A weighted 99 0 99 2 S N no input 22kLPF A weig...

Страница 13: ...B Y C Crosstalk Measured at TVVOUT 100 Red Field Y ENCV C ENCRC BW 15kHz to Full 59 5 Note1 dB DG Modulated 5 step Min 0 36 Max 0 00 DP Modulated 5 step Min 0 95 Max 0 28 deg Plots Figure 2 1 Noise sp...

Страница 14: ...20 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure1 1 FFT fin 1kHz Input Level 0dB AK4709 AINL AINR TVOUTL TVOUTR FFT fin 1KHz Input Level 60dB 180 0 170 160 15...

Страница 15: ...70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure1 3 FFT Noise Floor AK4709 AINL AINR TVOUTL TVOUTR THD N Amplitude vs Input Amplitude fin 1KHz 110 80 108 106 104 102 100 98 9...

Страница 16: ...106 104 102 100 98 96 94 92 90 88 86 84 82 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure1 5 THD N vs Input Frequency Input level 0dB AK4709 AINL AINR TVOUTL TVOUTR Linearity fin 1KHz 140 0 130...

Страница 17: ...0 8 0 6 0 4 0 2 0 0 2 0 4 0 6 0 8 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure1 7 Frequency Response Input level 0dB AK4709 AINL AINR TVOUTL TVOUTR Crosstalk fin 1KHz Input Level 0dBr No input...

Страница 18: ...AKD4709 A KM103002 2011 06 Plots Video AK4709 ENCV TVVOUT S N Input Signal 0 Flat Field BW 15kHz to 5MHz Filter Uni Weighted Figure 2 1 Noise spectrum Input 0 Flat Field BW 15kHz to 5MHz Filter Uni W...

Страница 19: ...9 A KM103002 2011 06 AK4709 ENCV TVVOUT ENCRC TVRC Y C Crosstalk Input Signal 100 Red Field Y ENCV C ENCRC BW 15kHz to Full Figure 2 2 Crosstalk Measured at TVVOUT Input 100 Red Field Y ENCV C ENCRC B...

Страница 20: ...ASAHI KASEI AKD4709 A KM103002 2011 06 AK4709 ENCV TVVOUT DG DP Input Signal Modulated 5 step Figure 2 3 DG DP Input Signal Modulated 5 step 20...

Страница 21: ...componentsNote1 in any safety life support or other hazard related device or systemNote2 and AKM assumes no responsibility for such use except for the use approved with the express written consent by...

Страница 22: ...1Y 4 1B 3 2A 5 2Y 7 2B 6 3A 11 3Y 9 3B 10 4A 14 4Y 12 4B 13 A B 1 G 15 VCC 16 GND 8 C8 0 1u C8 0 1u U3C 74HCT14 U3C 74HCT14 5 6 14 7 U2F 74LS07 U2F 74LS07 13 12 14 7 C5 1 0u C5 1 0u CN4 48pin_2 CN4 48...

Страница 23: ...32 VCRFB 1 2 3 4 5 R15 75 R15 75 C31 0 1u C31 0 1u R38 75 R38 75 C21 0 47u C21 0 47u C29 0 1u C29 0 1u R49 75 R49 75 TEST1 INT TEST1 INT R16 10k R16 10k J33 VCRB J33 VCRB 1 2 3 4 5 R9 300 R9 300 JP2 G...

Страница 24: ...T2 uPC3533HF OUT 3 GND 2 IN 1 R53 open R53 open C49 47u C49 47u 1 2 C46 0 1u C46 0 1u L3 short L3 short 1 2 VD1 T45_R VD1 T45_R 1 VVD T45_R VVD T45_R 1 R54 short R54 short C43 open C43 open C41 open...

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