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ASAHI KASEI [AKD5355] AKD5355 Evaluation board Rev.A for AK5355 GENERAL DESCRIPTION AKD5355 is an evaluation board for the portable digital audio 16bit A/D converter, AK5355. The AKD5355 includes the input circuit and also has a digital interface transmitter. Further, the AKD5355 can evaluate direct interface with AKM's D/A converter evaluation board. Ordering guide AKD5355 --Evaluation board for AK5355 FUNCTION * Compatible with 2 types of interface - Direct interface with AKM's D/A converter evaluation boards - On-board AK4103 as DIT which transmits optical output * BNC connector for an external clock input VA GND VD LIN RIN AK5355 AK4103 (DIT) Opt Out Clock Generator D/A Data 10pin Header Figure 1. AKD5355 Block Diagram * Circuit diagram and PCB layout are attached at the end of this manual. '02/04 ASAHI KASEI [AKD5355] Operation sequence 1) Set up the power supply lines. [VA] [VD] [VCC] [AGND] [DGND] (Orange) (Orange) (Red) (Black) (Black) = 2.1 3.6V = 2.1 VA = 5.0V = 0V = 0V : typ. 3.0V, VA pin : typ. 3.0V, VD pin : for digital logic except the AK5355 : for analog ground (including VSS of AK5355) : for logic ground Each supply line should be distributed from the power supply unit. VD and VA must be the same voltage level. 2) Set up the evaluation mode, jumper pins and DIP switches. (See the followings.) 3) Power on. The AK5355 and AK4103 should be reset once bringing SW1 = SW3 = "L" upon power-up. Evaluation mode Applicable Evaluation Mode (1) Evaluation of A/D using DIT (Optical Link) XTL EXT 256fs 512fs (2) All interface signals including master clock are fed externally. All interface signals are provided to the AK5355 through PORT2. AKM's D/A converter evaluation boards can be also connected to PORT2. JP4 CLK 256-64fs 256-32fs 512-64fs 512-32fs JP6 BICK JP7 LRCK JP3 XTE XTL EXT 256fs 512fs '02/04 ASAHI KASEI [AKD5355] (3) Evaluation of A/D using DIT at MCLK=384fs. PORT1 (DIT) is used. On board DIT (AK4103) is set to the master mode. The AK4103 provides BICK and LRCK to the AK5355 from an external master clock (MCLK). When using an external clock through a BNC connector (J3), select "EXT" on JP4 (CLK) and short JP3 (XTE). (Refer to a Table 1 3 for the set up of the DIP switch. The master mode should be selected in Table 2.) JP4 CLK 256-64fs 256-32fs 512-64fs 512-32fs JP6 BICK JP7 LRCK JP3 XTE XTL EXT 256fs 512fs Jumpers Set up 1. JP1 (VD) : VD pin of the AK5355 VA : Supplied from "VA" connector via 10. VD : Supplied from "VD" connector. 2. JP2 (GND) : Connection between AGND and DGND. OPEN : Both grounds are separated on board. SHORT : Both grounds are connected on board. DIP switch set up [SW2]: Set up of AK5355 and AK4103 (Refer to the datasheet) No. 1 2 3 4 5 6 Pin SEL 5355_DIF default L L Mode H: Input Gain +15dB L: Input Gain +0dB H:I2S L:16bit Left justified 4103_DIF1 L See Table 2 4103_DIF0 L CKS1 L See Table 3 CKS0 H Table 1. Set up for AK5355 and AK4103 4103_DIF0 Mode OFF 24bit, Left justified ON 24bit, I2S OFF 24bit, Left justified ON 24bit, I2S Table 2. Set up of Interface Format Clock mode Slave mode Master mode 4103_DIF1 OFF OFF ON ON '02/04 ASAHI KASEI [AKD5355] CKS1 CKS0 MCLK 0 0 no using 0 1 256fs 1 0 384fs 1 1 512fs Table 3. Set up of CKS0 and CKS1 The function of the toggle SW Upper-side is "H" and lower-side is "L". [SW1] (PDN): Resets the AK5355. Keep "H" during normal operation. [SW3] (DIT): Resets the AK4103. Keep "H" during normal operation. Input circuit J1 LIN C1 10u LIN + R1 560 J2 RIN C2 10u RIN + R3 560 Figure 2. LIN/RIN Input circuit on board * AKM assumes no responsibility for the trouble when using the circuit examples. '02/04 ASAHI KASEI [AKD5355] MEASUREMENT RESULTS [Measurement condition] * Measurement unit : Audio Precision, System Two, Cascade * MCLK : 256fs * BCLK : 64fs * fs : 44.1kHz * Bit : 16bit * Power Supply : VA=VD=3.0V * Interface : DIT (AK4103) * Temperature : Room *Gain=0dB (SEL="L") S/(N+D) DR (-60dB) S/N (-0.5dB) LIN 85.1[dB] 89.4[dB] 91.8[dB] 89.4[dB] 91.9[dB] RIN 85.3[dB] 89.4[dB] 91.9[dB] 89.4[dB] 91.9[dB] Filter 20kHzLPF 20kHzLPF 20kHzLPF+A-Weighted 20kHzLPF 20kHzLPF+A-Weighted *Gain=+15dB (SEL="H") S/(N+D) DR (-60dB) S/N (-0.5dB) LIN 81.7[dB] 81.2[dB] 84.3[dB] 81.5[dB] 84.4[dB] RIN 81.3[dB] 81.5[dB] 84.3[dB] 81.7[dB] 84.3[dB] Filter 20kHzLPF 20kHzLPF 20kHzLPF+A-Weighted 20kHzLPF 20kHzLPF+A-Weighted '02/04 ASAHI KASEI [AKD5355] * Plot [Gain = 0dB] AKM -70 -72 -74 -76 -78 -80 -82 d B F S -84 -86 -88 -90 -92 -94 -96 -98 -100 -140 AK5355 THD + N vs Amplitude (fin=1kHz, Gain=0dB) -130 -120 -110 -100 -90 -80 -70 dBr l a s t.a t2c -60 -50 -40 -30 -20 -10 +0 Figure 1. THD+N vs. Input Level AKM -60 -62 -64 -66 -68 -70 -72 d B F S -74 -76 -78 -80 -82 -84 -86 -88 -90 20 AK5355 THD + N vs Input Frequency (Input Level=-0.5dB, Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 2. THD+N vs. Input Frequency '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -140 AK5355 Linearity (fin=1kHz, Gain=0dB) -130 -120 -110 -100 -90 -80 -70 dBr l a s t.a t2c -60 -50 -40 -30 -20 -10 +0 Figure 3. Linearity AKM +0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 d B F S -0.9 -1 -1.1 -1.2 -1.3 -1.4 -1.5 -1.6 -1.7 -1.8 -1.9 -2 20 50 100 200 500 Hz l a s t.a t2c AK5355 F requency Response (Input Level-0.5dB, Gain=0dB) 1k 2k 5k 10k 20k Figure 4. Frequency Response '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 20 A K 5 3 5 5 C rosstalk (Gain=0dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 5. Crosstalk AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (Input Level=-0.5dB, fiin=1kHz, Gain=0dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 6. FFT Plot '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (Input Level=-60dB, fiin=1kHz, Gain=0dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 7. FFT Plot AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (no ise floor, Gain=0dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 8. FFT Plot '02/04 ASAHI KASEI [AKD5355] [Gain = +15dB] AKM -60 -62 -64 -66 -68 -70 -72 d B F S -74 -76 -78 -80 -82 -84 -86 -88 -90 -140 AK5355 THD + N vs Amplitude (fin=1kHz, Gain=+15dB) -130 -120 -110 -100 -90 -80 -70 dBr l a s t.a t2c -60 -50 -40 -30 -20 -10 +0 Figure 9. THD+N vs. Input Level AKM -60 -62 -64 -66 -68 -70 -72 d B F S -74 -76 -78 -80 -82 -84 -86 -88 -90 20 AK5355 THD + N vs Input Frequency (Input Level=-0.5dB, Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 10. THD+N vs. Input Frequency '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -140 AK5355 Linearity (Gain=+15dB) -130 -120 -110 -100 -90 -80 -70 dBr l a s t.a t2c -60 -50 -40 -30 -20 -10 +0 Figure 11. Linearity AKM +0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 d B F S -0.9 -1 -1.1 -1.2 -1.3 -1.4 -1.5 -1.6 -1.7 -1.8 -1.9 -2 20 50 100 200 500 Hz l a s t.a t2c AK5355 Frequency Response (Gain=+15dB) 1k 2k 5k 10k 20k Figure 12. Frequency Response '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 20 A K 5 3 5 5 C rosstalk (Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 13. Crosstalk AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (Input Level-0.5dB,fin=1kHz, Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 14. FFT Plot '02/04 ASAHI KASEI [AKD5355] AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (Input Level=-60dB,fin=1kHz, Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 15. FFT Plot AKM +0 -10 -20 -30 -40 -50 -60 d B F S -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20 AK5355 FFT (no ise floor, Gain=+15dB) 50 100 200 500 Hz l a s t.a t2c 1k 2k 5k 10k 20k Figure 16. FFT Plot '02/04 ASAHI KASEI [AKD5355] IMPORTANT NOTICE * These products and their specifications are subject to change without notice. Before considering any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or authorized distributor concerning their current status. * AKM assumes no liability for infringement of any patent, intellectual property, or other right in the application or use of any information contained herein. * Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. * AKM products are neither intended nor authorized for use as critical components in any safety, life support, or other hazard related device 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 be expected to result in loss of life or in significant injury or damage to person or property. (b) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. * It is the responsibility of the buyer or distributor of an AKM product who distributes, disposes of, or otherwise places the product with a third party to notify that party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all claims arising from the use of said product in the absence of such notification. '02/04 A B C D E J1 LIN LIN + C1 10u +5V E R1 560 2 E 1 D1 1S1588 1 2 3 4 R2 10k U3A 74HC14 PDN U3B 74HC14 L 3 H 1 J2 RIN RIN 2 C2 10u + SW1 PDN C3 0.1u R3 560 D D U2 U1 CN2 1 RIN 2 RIN NC 15 LIN 3 LIN 14 DIF C L1 5 5 VA 12 BCLK 12 C6 10u + C7 0.1u R10 51 VA 4 1 2 + R11 51 6 6 VD MCLK 11 11 C8 47u + C10 0.1u R13 51 7 SEL LRCK 10 (short) R12 10 7 VA 8 8 NC SDTO 9 JP1 VD B VD AK5355 SDTO R14 51 L3 1 2 10u A A B C + + 2.2u 1 VCOM 16 TST1 16 CN1 0.1u C4 C5 11 Y8 A8 9 12 Y7 A7 8 2 15 13 Y6 A6 7 SEL 14 6 Y5 A5 R8 3 14 51 5355_DIF C R9 4 VSS 13 PDN 13 51 15 Y4 A4 5 PDN 16 4 Y3 A3 BCLK 17 3 Y2 A2 MCLK 18 10 2 Y1 A1 C9 10u LRCK 10 9 19 C11 47u 1 2 C12 0.1u GND DIR 20 VCC G1 1 L2 10u 74LVC541 VD for SN74LVC07A C17 0.1u DGND JP2 GND B AGND A Title Size Document Number AKD5355 Rev A3 Date: D AK5355 Tuesday, April 16, 2002 Sheet E A 1 of 2 A B C D E E +5V PORT1 5 5 6 6 IN VCC IF GND 4 3 2 1 E +5V TOTX176 0.1u U3D 74HC14 9 8 1 2 3 4 5 6 R15 1k SW2 C13 +5V 2 D2 1S1588 1 R16 10k U3C 74HC14 5 6 3 1 L U4 RP1 4103_DIF1 4103_DIF0 C16 47k +5V 6 5 4 3 2 1 H SW3 DIT C14 0.1u SEL 5355_DIF 4103_DIF1 4103_DIF0 CKS1 CKS0 12 11 10 9 8 7 MODE D 2 D 1 2 3 4 5 6 7 8 9 10 11 12 V1 TRANS RESETN MCLK SDTI BICK LRCK FS0/CSN FS1/CDTI FS2/CCLK FS3/CDTO C1 U1 DIF2 DIF1 DIF0 TXP TXN DVSS DVDD CKS1 CKS0 BLS ANS 24 23 22 21 20 19 18 17 16 15 14 13 C15 0.1u 10u CKS1 AK4103 U3E 10 11 12 13 74HC14 C PORT2 R17 1k +5V 1 2 3 4 5 10 9 8 7 6 MCLK BCLK LRCK SDTO ROM Serial out R18 +5V 10k 2 1 U5A SN74LVC07A SDTO B MCLK JP4 CLK U7 9 CLK RST 11 10 7 256fs-64fs 256fs-32fs/512fs-64fs 6 5 512fs-32fs JP6 BICK BCLK JP7 256fs 512fs LRCK LRCK 3 2 4 13 12 14 15 1 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 74HC4040 A A A B C + U3F CKS0 74HC14 4 3 +5V SEL 5355_DIF 4103_DIF1 4103_DIF0 CKS1 CKS0 for 74HCU04, 74HC14, 74HC4040 +5V C19 0.1u C20 0.1u 1 L4 10u C21 0.1u +5V 2 C + C18 47u X1 11.2896MHz R19 1M U6B 74HCU04 U6A 74HCU04 2 1 JP3 XTE B XTL EXT C22 (open) C23 (open) U6C 74HCU04 6 5 J3 EXT R20 51 Title Size Document Number AKD5355 Rev A3 Date: D Interface Tuesday, April 16, 2002 Sheet E A 2 of 2 |
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