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AKM AKD4688-A, Manual

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AKM AKD4688-A Manual Download Page 39

[AKD4688-A]

<KM109900>

2011/12

- 39 -

-120

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A

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+0

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dBFS

Figure 36. THD+N vs Input Level (Input Frequency =1kHz)

-120

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-100

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r

A

20

80k

50

100

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500

1k

2k

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10k

20k

50k

Hz

Figure 37. THD+N vs Input Frequency (Input Level=0dBFS)

Summary of Contents for AKD4688-A

Page 1: ...ol software are packed with this This control software does not operate on Windows NT FUNCTION Compatible with 2 types of digital audio interface Optical S PDIF input output with DIT DIR AK4118A 10pin headers for interfacing with external data source Separate power supply or regulator power supply 10pin header for register control AK4687 VSS3 LOUT ROUT DVDD RIN3 Control Data 10pin Header Digital O...

Page 2: ...s output through U5 AK4118A J11 black A digital signal input RCA Jack The signal is input through U6 AK4118A 2 5V AVDD1 AVDD2 DVDD D3 3V AVSS1 AVSS2 VSS3 DGND The power supply connectors which should be connected to power supplies Refer to the setup of power supply in Page3 for more details 3 PORT1 10 pin header Control port Connect the 10 wire flat cable bundled to this port 4 PORT4 PORT6 10 pin ...

Page 3: ...y 1 2 When AVDD1 AVDD2 DVDD and D3 3V are supplied from the power supply connectors Set up the jumper pins JP7 AVDD1_SEL AVDD1 REG JP8 AVDD2_SEL AVDD2 REG JP16 D3 3V_SEL D3 3V REG Set up the power supply lines Name Color Voltage Comments 5V Red Open The regulator is not used AVDD1 Orange 3 0V 3 6V typ3 3V Power supply for AVDD1 of AK4688 AVDD2 Orange 3 0V 3 6V typ3 3V Power supply for AVDD2 of AK4...

Page 4: ...Evaluation mode In case of AK4688 evaluation by using AK4118A it is necessary to correspond to audio interface format for AK4688 and AK4118A About audio interface format of AK4688 refer to the datasheet of AK4688 About audio interface format of AK4118A refer to the datasheet of AK4118A Applicable Evaluation Mode 1 Evaluation of A D and D A by using DIR DIT 2 All interface signals are fed externall...

Page 5: ...ack or PORT5 Optical connector is used Nothing should be connected to PORT6 JP12 MCLK2 JP13 BICK2 JP14 LRCK2 JP15 SDTI 2 All interface signals are fed externally a Set up A D PORT4 is used Nothing should be connected to J10 TX RCA Jack or PORT3 Optical connector JP5 MCLK1_SEL MCLK1 MCLK2 JP6 BICK1_SEL BICK1 BICK2 JP8 LRCK1_SEL LRCK1 LRCK2 SDTO JP7 b Set up of D A PORT6 is used Nothing should be co...

Page 6: ...t IP 2 PS H 0 H L 24bit Left justified H 1 H H 24bit IP 2 PS Table 4 ADC Audio I F Format Settings AK4688 Register Settings AK4118A U6 SW7 Settings DIF21 bit DIF20 bit DIF2 DIF1 DIF0 Audio I F Format 0 0 L L L 16bit Right justified 0 1 L H H 24bit Right justified 1 0 H L L 24bit Left justified Default 1 1 H L H 24bit I2 S Table 5 DAC Audio I F Format Settings No OCKS1 OCKS0 MCKO1 X tal fs max 0 L ...

Page 7: ...nector 5 JP10 RX BNC Digital signals are output via the BNC connector Default OPT Digital signals are output via the optical connector The function of the toggle SW SW1 4688 PDN1 Power down control for ADC of AK4688 Keep H during normal operation AK4688 should be reset once bringing SW1 L upon power up SW2 4688 PDN2 Power down control for DAC of AK4688 Keep H during normal operation AK4688 should ...

Page 8: ...a the printer port parallel port of IBM AT compatible PC Connect PORT1 CTRL with PC by 10 wire flat cable packed with the AKD4688 A Connect SDA ACK SCL SDA 10pin Header 10pin Connector 10 wire flat Cable PC AKD4687 A 2 10 9 PORT1 CTRL Red Figure 3 Connect of 10 wire flat cable ...

Page 9: ...MR 552LS 2 3 1 AVSS1 LIN1 AVSS1 RIN1 LIN1 RIN1 Figure 4 Analog Input Circuit 2 Output Circuits AVSS2 AVSS2 R21 OPEN R19 470 LOUT AVSS2 AVSS2 LOUT AVSS2 C12 2 2n AVSS2 R22 OPEN R20 470 ROUT C14 2 2n AVSS2 C11 OPEN AVSS2 C13 OPEN J7 MR 552LS 2 3 1 J8 MR 552LS 2 3 1 ROUT Figure 5 Analog Output Circuit ...

Page 10: ... Before running this control soft on Windows 2000 XP the driver included in the CD must be installed Refer to the Driver Control Install Manual for AKM Device Control Software for installation of the driver When running this control soft on Windows 95 98 ME or via an AKDUSBIF B interface board driver installing is not necessary 3 Continue to evaluate by following steps Operation Screen 1 Start up ...

Page 11: ... Initializing When the device is reset by a hardware reset use this button to initialize the registers 3 All Write Executing write commands for all registers displayed 4 All Read Executing read commands for all registers displayed 5 Save Saving current register settings to a file 6 Load Executing data write from a saved file 7 All Reg Write All Reg Write dialog box is popped up 8 Data R W Data R W...

Page 12: ...nd reading Each bit on the register 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 gray The registers which is not defined in the datasheet are indicated as ...

Page 13: ... 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 reading After register reading the display will be updated regarding to the register status 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...

Page 14: ... AKD4688 A KM109900 2011 12 14 2 Tool Testing Tools This tab screen is for evaluation testing tool Click buttons for each testing tool ...

Page 15: ...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 assignment mar Close Closing the dialog box and finish the process Operating Suggestions 1 Those files saved by Save button and opened by Open button on the right of the dialog mar should be stored in...

Page 16: ... 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 by Address box The result will be shown in the Read Data Box in hexadecimal numbers Close Closing the dialog box and finish the process Data writing can be cancelled by this button instead of Write but...

Page 17: ...ect Pull down menu No_use Not using this address Register Register writing Reg Mask Register writing Masked Interval Taking an interval Stop Pausing the sequence End Finishing the sequence 1 Input sequence Address Data address Data Writing data Mask Mask Data box data is ANDed with Mask box data This is the actual writing data When Mask 0x00 current setting is hold When Mask 0xFF the 8bit data whi...

Page 18: ...KM109900 2011 12 18 Interval Interval time Valid boxes for each process command are shown bellow No_use None Register Address Data Interval Reg Mask Address Data Mask Interval Interval Interval Stop None End None ...

Page 19: ...ox and finish the process Stop of the sequence When Stop is selected in the sequence processing is paused and it starts again when Start button is clicked Restarting step number is shown in the Start Step box When finishing the process until the end of sequence Start Step will return to 1 The sequence can be started from any step by writing the step number to the Start Step box Write 1 to the Star...

Page 20: ...settings Sequences are executed in descending order Help Pop up the help window Save Saving sequence setting file assignment The file name is mas Open right Opening a saved sequence setting file assignment mas Close Closing the dialog box and finish the process Operating Suggestions 1 Those files saved by Save button and opened by Open button on the right of the dialog mas should be stored in the ...

Page 21: ...6fs BICK 64fs fs 48kHz BW 20Hz 20kHz fs 48kHz Bit 24bit Power Supply AVDD1 AVDD2 DVDD 3 3V Temperature Room Rf 39kΩ Ri 47kΩ Input Voltage 2 34Vrms Results dB Parameter Input signal Measurement filter Lch Rch S N D 1kHz 1dBFS 20kHz LPF 85 1 84 0 DR 1kHz 60dBFS 20kHz LPF A weighted 98 2 99 2 S N No signal 20kHz LPF A weighted 98 3 99 3 ...

Page 22: ... signal Measurement filter Lch Rch S N D 1kHz 0dB 20kHz SPCL 95 4 94 8 DR 1kHz 60dB 20kHz SPCL A weighted 105 5 105 5 S N 0 data 20kHz SPCL A weighted 105 8 105 8 fs 96kHz Results dB Parameter Input signal Measurement filter Lch Rch S N D 1kHz 0dB 40kHz SPCL 94 4 94 0 DR 1kHz 60dB 40kHz SPCL A weighted 105 5 105 6 S N 0 data 40kHz SPCL A weighted 105 7 105 8 fs 192kHz Results dB Parameter Input si...

Page 23: ... 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 6 FFT Input Frequency 1kHz Input Level 1dBFS 140 0 130 120 110 100 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 7 FFT Input Frequency 1kHz Input Level 60dBFS ...

Page 24: ...80 70 60 50 40 30 20 10 d B F S 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 8 FFT noise floor 120 0 110 100 90 80 70 60 50 40 30 20 10 dBr 140 60 135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 9 THD N vs Input Level Input Frequency 1kHz ...

Page 25: ...135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B F S Figure 10 THD N vs Input Frequency Input Level 1 0dBFS 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBr 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B F S T T T T T T Figure 11 Linearity Input Frequency 1kHz ...

Page 26: ...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 12 Frequency Response Input Level 1 0dBFS 20 20k 50 100 200 500 1k 2k 5k 10k Hz 140 60 135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B TT T T Figure 13 Crosstalk Input Level 1 0dBFS ...

Page 27: ...0 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 14 FFT Input Frequency 1kHz Input Level 0dBFS 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 15 FFT Input Frequency 1kHz Input Level 60dBFS ...

Page 28: ...0 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 16 FFT noise floor 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 17 FFT out of band noise ...

Page 29: ...5 80 75 70 65 d B r A 120 0 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 18 THD N vs Input Level Input Frequency 1kHz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 19 THD N vs Input Frequency Input Level 0dBFS ...

Page 30: ...0 0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 20 Linearity Input Frequency 1kHz 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 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 21 Frequency Response Input Level 0dBFS including external RC Filter ...

Page 31: ... AKD4688 A KM109900 2011 12 31 140 60 135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 22 Cross talk Input Level 0dBFS ...

Page 32: ... 70 60 50 40 30 20 10 d B r A 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 23 FFT Input Frequency 1kHz Input Level 0dBFS 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 24 FFT Input Frequency 1kHz Input Level 60dBFS ...

Page 33: ...110 100 90 80 70 60 50 40 30 20 10 d B r A 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 25 FFT noise floor 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 26 FFT Out of band Noise ...

Page 34: ...90 85 80 75 70 65 d B r A 120 0 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 27 THD N vs Input Level Input Frequency 1kHz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 28 THD N vs fin Input Level 0dBFS ...

Page 35: ...0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 29 Linearity Input Frequency 1kHz 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 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 30 Frequency Response Input Level 0dBFS including external RC Filter ...

Page 36: ... AKD4688 A KM109900 2011 12 36 140 60 135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B 20 40k 50 100 200 500 1k 2k 5k 10k 20k Hz Figure 31 Cross talk Input Level 0dBFS ...

Page 37: ... 60 50 40 30 20 10 d B r A 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 32 FFT Input Frequency 1kHz Input Level 0dBFS 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 33 FFT Input Frequency 1kHz Input Level 60dBFS ...

Page 38: ...0 100 90 80 70 60 50 40 30 20 10 d B r A 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 34 FFT noise floor 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 100k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 35 FFT Out of band Noise ...

Page 39: ... 75 70 65 d B r A 120 0 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 36 THD N vs Input Level Input Frequency 1kHz 120 60 115 110 105 100 95 90 85 80 75 70 65 d B r A 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 37 THD N vs Input Frequency Input Level 0dBFS ...

Page 40: ...0 130 120 110 100 90 80 70 60 50 40 30 20 10 dBFS Figure 38 Linearity Input Frequency 1kHz 2 2 1 8 1 6 1 4 1 2 1 0 8 0 6 0 4 0 2 0 0 2 0 4 0 6 0 8 1 1 2 1 4 1 6 1 8 d B r A 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 39 Frequency Response Input Level 0dBFS including external RC Filter ...

Page 41: ... AKD4688 A KM109900 2011 12 41 140 60 135 130 125 120 115 110 105 100 95 90 85 80 75 70 65 d B 20 80k 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Figure 40 Cross talk Input Level 0dBFS ...

Page 42: ... products are neither intended nor authorized for use as critical 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 Representative Director of AKM As used here Note1 A critical component is one whose failure to function or perform may reasonably be e...

Page 43: ... Plastic 0 AKD4688 A 36QFN SUB A3 1 1 Thursday November 24 2011 C105 10u R114 47k R102 0 R104 51 C103 1u R108 51 R111 51 CL102 Cut Land open 1 2 CN103 48pin_3 1 2 3 4 5 6 7 8 9 10 11 12 R113 47k CN101 48pin_1 1 2 3 4 5 6 7 8 9 10 11 12 U101 AK4688 SDTO 1 LRCK1 2 BICK1 3 MCLK1 4 PDN1 5 PDN2 6 MCLK2 7 BICK2 8 LRCK2 9 SDTI 10 CAD0 11 TEST1 12 TEST2 13 DVDD 14 DVSS 15 CP 16 CN 17 CVEE 18 ROUT 19 LOUT ...

Page 44: ...Analog Input Output 0 AKD4688 A A4 2 6 Tuesday December 13 2011 Title Size Document Number Rev Date Sheet of Analog Input Output 0 AKD4688 A A4 2 6 Tuesday December 13 2011 R20 470 R20 470 J7 MR 552LS J7 MR 552LS 2 3 1 C14 2 2n C14 2 2n R22 OPEN R22 OPEN J6 MR 552LS J6 MR 552LS 2 3 1 R19 470 R19 470 C12 2 2n C12 2 2n R21 OPEN R21 OPEN J3 MR 552LS J3 MR 552LS 2 3 1 J4 MR 552LS J4 MR 552LS 2 3 1 J2 ...

Page 45: ...R27 10k R27 10k R23 10k R23 10k C18 0 1u C18 0 1u R31 470 R31 470 C20 0 1u C20 0 1u PORT1 CTRL PORT1 CTRL 1 3 5 7 9 10 8 6 4 2 R37 10k R37 10k RP1 47K RP1 47K 7 6 5 4 3 2 1 D2 HSU119 D2 HSU119 2 1 R34 470 R34 470 SW3 ATE1D 2M3 SW3 ATE1D 2M3 2 1 3 U2 74HC14 U2 74HC14 GND 7 1A 1 3A 5 5A 11 5Y 10 3Y 6 1Y 2 2Y 4 4Y 8 6Y 12 6A 13 4A 9 2A 3 VCC 14 R30 10k R30 10k R33 51 R33 51 R28 10k R28 10k C19 0 1u C...

Page 46: ...SEL JP6 BICK1_SEL PORT4 A1 10PA 2 54DSA PORT4 A1 10PA 2 54DSA 1 3 5 7 9 10 8 6 4 2 U5 AK4118A U5 AK4118A IPS0 1 NC 2 DIF0 3 TEST2 4 DIF1 5 NC 6 DIF2 7 IPS1 8 P SN 9 XTL0 10 XTL1 11 TVDD 13 DVSS 14 TX0 15 TX1 16 BOUT 17 COUT 18 UOUT 19 VOUT 20 DVDD 21 DVSS 22 MCKO1 23 BICK 26 MCKO2 27 DAUX 28 XTO 29 XTI 30 PDN 31 CM0 32 CM1 33 OCKS1 34 OCKS0 35 INT0 36 AVDD 38 R 39 VCOM 40 AVSS 41 RX0 42 NC 43 RX1 ...

Page 47: ...3 0 47u PORT5 TORX147 PORT5 TORX147 OUT 1 VCC 3 GND 2 C41 0 1u C41 0 1u U6 AK4118A U6 AK4118A IPS0 1 NC 2 DIF0 3 TEST2 4 DIF1 5 NC 6 DIF2 7 IPS1 8 P SN 9 XTL0 10 XTL1 11 TVDD 13 DVSS 14 TX0 15 TX1 16 BOUT 17 COUT 18 UOUT 19 VOUT 20 DVDD 21 DVSS 22 MCKO1 23 BICK 26 MCKO2 27 DAUX 28 XTO 29 XTI 30 PDN 31 CM0 32 CM1 33 OCKS1 34 OCKS0 35 INT0 36 AVDD 38 R 39 VCOM 40 AVSS 41 RX0 42 NC 43 RX1 44 TEST1 45...

Page 48: ...mber 13 2011 C50 10u C50 10u R49 open R49 open R48 open R48 open AVDD1 T 45 O AVDD1 T 45 O 1 R46 short R46 short JP16 D3 3V_SEL JP16 D3 3V_SEL AVSS2 T 45 B AVSS2 T 45 B 1 C51 0 1u C51 0 1u C52 0 1u C52 0 1u C56 47u C56 47u AVSS1 T 45 B AVSS1 T 45 B 1 T2 LM1117 3 3V T2 LM1117 3 3V IN 3 GND 1 OUT 2 C57 47u C57 47u 5V1 T 45 O 5V1 T 45 O 1 D3 3V1 T 45 O D3 3V1 T 45 O 1 DGND1 T 45 B DGND1 T 45 B 1 C54 ...

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