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ASAHI KASEI
[AKD4367]
AKD4367
Evaluation board Rev.B for AK4367
GENERAL DESCRIPTION AKD4367 is an evaluation board for 24bit DAC with built-in Headphone Amplifier, AK4367. The AKD4367 has the interface with AKM's ADC evaluation boards. Therefore, it's easy to evaluate the AK4367. The AKD4367 also has the digital audio interface and can achieve the interface with digital audio systems via opt-connector. n Ordering guide
AKD4367 --Evaluation board for AK4367 (Cable for connecting with printer port of IBM-AT compatible PC and control software are packed with this. This control software does not operate on Windows NT.)
FUNCTION * Compatible with 2 types of interface - Direct interface with AKM's A/D converter evaluation boards - On-board AK4116 as DIR which accepts optical input * 10pin header for serial control interface
5V Regulator 3.3V LIN RIN MIN MOUT
GND
AK4116 (DIR)
Opt In
AK4367
A/D Data
10pin Header
HPL
HPR
Figure 1. AKD4367 Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual.
-1-
2003/03
ASAHI KASEI
[AKD4367]
1. Evaluation Board Manual n Operation sequence
1) Set up the power supply lines. [+5V] (red) = 5V [AGND] (black) = 0V : for analog ground [DGND] (black) = 0V : for logic ground Each supply line should be distributed from the power supply unit. 2) Set up the evaluation mode, jumper pins. (See the followings.) 3) Power on. The AK4367 and AK4116 should be resets once bringing SW1 (DAC_PDN) and SW2 (DIR_PDN) "L" upon power-up.
n Evaluation mode
Applicable Evaluation Mode (1) In case of using DIR (Optical Link) (2) In case of connecting AK4367 with a external DSP
(1) In case of using DIR (Optical Link) PORT1 (DIR) is used. DIR generates MCLK, BICK, LRCK and SDATA from the received data through optical connector (TORX141). Nothing should be connected to PORT3 (DSP).
JP5 MCLK JP6 BICK JP7 LRCK JP8 4116_SDTO
-2-
2003/03
ASAHI KASEI
[AKD4367]
n How to evaluate AK4367 by connecting CD player
AKD4367 can evaluate tone quality easily by connecting CD Player (fs=44.1kHz). 1). Connection Diagram
CD Player PORT1 (DIR) PORT3 (DSP) PORT2 (uP-I/F) PORT2 PC (Printer Port)
PORT1
AKD4367
2). Jumper and Switch Setting PORT1 (DIR) is used. DIR generates MCLK, BICK, LRCK and SDATA from the received data through optical connector (TORX141). Nothing should be connected to PORT3 (DSP).
JP5 MCLK JP6 BICK JP7 LRCK JP8 4116_SDTO
-3-
2003/03
ASAHI KASEI
[AKD4367]
(2)
In case of connecting AK4367 with a external DSP AKD4367 can be connected with an external DSP through PORT3 (DSP).
(1) When BICK, LRCK and SDATA are supplied from DSP, and MCLK is supplied from AK4116.
JP5 MCLK
JP6 BICK
JP7 LRCK
JP8 4116_SDTO
(2) When MCLK, BICK, LRCK and SDATA are all supplied from DSP.
JP5 MCLK
JP6 BICK
JP7 LRCK
JP8 4116_SDTO
-4-
2003/03
ASAHI KASEI
[AKD4367]
n The function of the toggle SW
Upper-side is "H" and lower-side is "L". [SW1] (DAC_PDN) : Resets the AK4367. Keep "H" during normal operation. [SW2] (DIR_PDN) : Resets the AK4116. Keep "H" during normal operation.
n Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4116. LED turns on when unlock or parity error occurs.
n Serial Control
The AK4367 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT2 (uP-I/F) with PC by 10 wire flat cable packed with the AKD4367.
Connect PC
CSN CCLK CDTI CDTO
AKD4367
10 wire flat cable
10pin Connector
10pin Header
Figure 2. Connection of 10 wire flat cable
-5-
2003/03
ASAHI KASEI
[AKD4367]
n Input / Output circuit & Set-up jumper pin for Input / Output circuits
(1) Input Circuit External analog signal is fed through the BNC connector. R21 are resistors to terminate the signal source. This resistors is not assembled on the board. MIN, LIN, RIN Input circuits
J1 MIN
C18 1u + R21 (open)
JP2 AIN MIN LIN RIN
Figure 3. MIN, LIN, RIN Input circuits
JP2 (AIN) MIN LIN RIN : Input pins are selected for the signals from BNC (J1). : Input to MIN pin. : Input to LIN pin. : Input to RIN pin.
(2) Output Circuit (a) MOUT Output circuit
R24 220 J5 MOUT
MOUT C21 4.7u R25 10k
-6-
+
Figure 4. MOUT Output circuits
2003/03
ASAHI KASEI
[AKD4367]
(b) HPL, HPR Output circuit
J2 HPL
LINE + R19 (short)
HPL C19 220u
JP3 HPL HP
R20 16
2 1 3 HP J3 HP
+
R22 (short)
HPR C20 220u
JP4 HPR LINE R23 16
J4 HPR
Figure 5. HPL, HPR Output circuit 1. Outputs of HPL and HPR pins are applied via J2 and J4.
JP3 HPL JP4 HPR
LINE
HP
HP
LINE
2. Outputs of HPL and HPR pins are applied via J3 (mini jack).
JP3 HPL JP4 HPR
LINE
HP
HP
LINE
(3) Other Jumper Pins (a) JP1 (GND) : Analog ground and digital ground open :separated short :common (The connector "DGND" can be open.)
* AKM assumes no responsibility for the trouble when using the circuit examples.
-7-
2003/03
ASAHI KASEI
[AKD4367]
2. Control Software Manual n Set-up of evaluation board and control software
1. Set up the AKD4367 according to previous term. 2. Connect IBM-AT compatible PC with AKD4367 by 10-line type flat cable (packed with AKD4367). Take care of the direction of 10pin header. (Please install the driver in the CD-ROM when this control software is used on Windows 2000/XP. Please refer "Installation Manual of Control Software Driver by AKM device control software". In case of Windows95/98/ME, this installation is not needed. This control software does not operate on Windows NT.) 3. Insert the CD-ROM labeled "AK4367 Evaluation Kit" into the CD-ROM drive. 4. Access the CD-ROM drive and double-click the icon of "AKD4367.exe" to set up the control program. 5. Then please evaluate according to the follows.
n Operation flow
Keep the following flow. 1. Set up the control program according to explanation above. 2. Click "Port Setup" button. 3. Click "Write default" button. Then set up the dialog and input data.
n Explanation of each buttons
1. [Port Setup] : 2. [Write default] : 3. [Function1] : 4. [Function2] : 5. [Write] : Set up the printer port. Initialize the register of AK4367. Dialog to write data by keyboard operation. Dialog to evaluate ATT. Dialog to write data by mouse operation.
-8-
2003/03
ASAHI KASEI
[AKD4367]
n Explanation of each dialog
1. [Function1 Dialog] : Address Box: Data Box: Dialog to write data by keyboard operation
Input register address in 2 figures of hexadecimal. Input register data in 2 figures of hexadecimal.
If you want to write the input data to AK4367, click "OK" button. If not, click "Cancel" button. 2. [Function2 Dialog] : Dialog to evaluate ATT
This dialog corresponds to only addr=04H, 05H and 08H. Address Box: Input register address in 2 figures of hexadecimal. Start Data Box: Input start data in 2 figures of hexadecimal. End Data Box: Input end data in 2 figures of hexadecimal. Interval Box: Data is written to AK4367 by this interval. Step Box: Data changes by this step. Mode Select Box: If you check this check box, data reaches end data, and returns to start data. [Example] Start Data = 00, End Data = 09 Data flow: 00 01 02 03 04 05 06 07 08 09 09 08 07 06 05 04 03 02 01 00 If you do not check this check box, data reaches end data, but does not return to start data. [Example] Start Data = 00, End Data = 09 Data flow: 00 01 02 03 04 05 06 07 08 09 If you want to write the input data to AK4367, click "OK" button. If not, click "Cancel" button. 3. [Write Dialog] : Dialog to write data by mouse operation There are dialogs corresponding to each register. Click the "Write" button corresponding to each register to set up the dialog. If you check the check box, data becomes "H" or "1". If not, "L" or "0". If you want to write the input data to AK4367, click "OK" button. If not, click "Cancel" button.
n Indication of data
Input data is indicated on the register map. Red letter indicates "H" or "1" and blue one indicates "L" or "0". Blank is the part that is not defined in the datasheet.
n Attention on the operation
If you set up Function1 or Function2 dialog, input data to all boxes. Attention dialog is indicated if you input data or address that is not specified in the datasheet or you click "OK" button before you input data. In that case set up the dialog and input data once more again. These operations does not need if you click "Cancel" button or check the check box.
-9-
2003/03
ASAHI KASEI
[AKD4367]
MEASUREMENT RESULTS
[Measurement condition] * Measurement unit : Audio Precession System Two Cascade * MCLK : 12.2896MHz * BICK : 64fs * fs : 44.1kHz * Bit : 24bit * Power Supply : VDD = HVDD = 3.3V * Measurement Filter : 10Hz 20kHz * Temperature : Room
Parameter DAC Analog Output Characteristics THD+N (-3dBFS Output) D-Range (-60dB Output, A-weighted) S/N (A-weighted) Monaural Output Characteristics THD+N (0dBFS Output) S/N (A-weighted)
Result (Lch / Rch) 56.8 / 56.1 93.0 / 93.0 94.9 / 93.8
Unit dB dB dB
64.5 95.4
dB dB
- 10 -
2003/03
ASAHI KASEI
[AKD4367]
[Plot of Headphone Amplifier]
AKM
-20 -25 -30 -35 -40 -45 -50 d B r A -55 -60 -65 -70 -75 -80 -85 -90 -95 -100 -140
AK4367 HP-Amp THD+N vs. Input Level (fs=44.1kHz, fIn=1kHz)
-130
-120
-110
-100
-90
-80
-70 dBFS
-60
-50
-40
-30
-20
-10
+0
Figure 1. THD+N vs. Input Level
AKM
-20 -25 -30 -35 -40 -45 -50 d B r A -55 -60 -65 -70 -75 -80 -85 -90 -95 -100 20
AK4367 HP-Amp THD+N vs. fin (fs=44.1kHz, Input Level=-3dB)
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 2. THD+N vs. Input Frequency
- 11 -
2003/03
ASAHI KASEI
[AKD4367]
AKM
+0 -10 -20 -30 -40 -50 d B r A -60 -70 -80 -90 -100 -110 -120 -130 -140 -140
AK4367 HP-Amp Linearity (fs=44.1kHz, fin=1kHz)
-130
-120
-110
-100
-90
-80
-70 dBFS
-60
-50
-40
-30
-20
-10
+0
Figure 3. Linearity
AKM
-0 -1
AK4367 HP-Amp Frequency Response (fs=44.1kHz, Input Level=-3dB)
-2
-3
-4 d B r A
-5
-6
-7
-8
-9
-10
-11 20
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 4. Frequency Response (Boost off) (including external HPF)
- 12 -
2003/03
ASAHI KASEI
[AKD4367]
AKM
+0 -10 -20 -30 -40 -50 -60 d B r A -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20
AK4367 HP-Amp FFT Out-of-band Noise
50
100
200
500
1k Hz
2k
5k
10k
20k
50k
100k
Figure 5. Out-band Noise
AKM
+0 -10 -20 -30 -40 -50 -60 d B r A -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20
AK4367 HP-Amp FFT (fs=44.1kHz, fin=1kHz, Input Level=-3dB)
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 6. FFT Plot
- 13 -
2003/03
ASAHI KASEI
[AKD4367]
AKM
+0 -10 -20 -30 -40 -50 -60 d B r A -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20
AK4367 HP-Amp FFT (fs=44.1kHz, fin=1kHz, Input Level=-60dB)
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 7. FFT Plot
AKM
+0 -10 -20 -30 -40 -50 -60 d B r A -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 20
AK4367 HP-Amp FFT Noise Floor (No data Input)
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 8. FFT Plot
- 14 -
2003/03
ASAHI KASEI
[AKD4367]
AKM
AK4367 HP-Amp Crosstalk (fs=44.1kHz, Input Level=-3dB) Upper@1kHz:Lch-->Rch, Lower@1kHz:Rch-->Lch
+0 -10 -20 -30 -40 -50
d B
-60 -70 -80 -90 -100 -110 -120 20
50
100
200
500 Hz
1k
2k
5k
10k
20k
Figure 9. Crosstalk Plot
- 15 -
2003/03
ASAHI KASEI
[AKD4367]
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.
- 16 -
2003/03
A
B
C
D
E
DGND
JP1 GND
AGND 4116_REG
2
L1 (short)
1
E
E
L2 (short) 4367HVDD_REG
2 1
L3 10u D_REG
2 1
T1 2 + TA48M33F
OUT GND IN
+5V 1 + C3 0.1u C24 (OPEN)
L4 (short) 4367_REG RIN HPR MIN HPL LIN
2 1
C1 47uF
C2 0.1u
3
D
D
20
19
18
17
U1
MIN
RIN
LIN
R1 51 CDTI R2 51 CCLK
C
1
HPR
HPL
16
CDTI
HVDD
15
4367HVDD_REG C4 0.1u C5 + 10u C7 10u 4367_REG
C
2
CCLK
VSS
14
R3 51 CSN R4 51 SDATA R5 51 LRCK
5 LRCK VCOM 11 4 SDATA 3 CSN
C6 0.1u
AK4367
VDD
13
MUTET
12
C9 0.1u
B
10
6
7
8
9
MOUT
MCLK
BICK
PDN
I2C
R6 51
R7 51
PDN
A
MOUT
BICK
MCLK
A
B
C
+
C8 + 1u C10 + 2.2u
B
A
Title Size Document Number
AKD4367
AK4367
Sheet
E
Rev
A3
Date:
D
B 1
of
Thursday, January 23, 2003
4
A
B
C
D
E
C11 C12 0.1u 0.1u
E
4116_REG
4116_PDN
D_REG
1
E
L5 (short)
2
C13 10u +
PORT1
VCC GND OUT 3 2 1
C14 0.1u R8 470
C15 0.1u
TORX141 R9 12k
20 19 18 17 16 13
U2F 74HC14
12
R10
2
LED1
1
D_REG
1k
ERF
U3
D
AVDD
AVSS
INT0
R
PDN
D
1
RX0
INT1
15
R11 5.1 4116_REG + C16 10u C17 0.1u
3 DVSS 2 DVDD CSN 14
CSN
AK4116
CCLK
13
CCLK
4
XTI
CDTI
12
CDTI
5
C
XTO
CDTO
11
CDTO
C
4116_LRCK
4116_SDTO
D_REG
B
4116_MCLK
4116_BICK
10
6
7
8
9
MCKO
SDTO
DAUX
LRCK
BICK
B
R12 10k
R13 10k
R14 10k R15 470 CS1 R16 470 CCLK1
PORT2
10 9 8 7 6 1 2 3 4 5
CSN CCLK CDTI CDTO
R17 470 CDTI1 R18 51 CDTO
A
uP-I/F
A
Title Size Document Number
AKD4367
AK4116
Sheet
E
Rev
A3
Date:
A B C D
B 2
of
Thursday, January 23, 2003
4
A
B
C
D
E
E
LINE J1 MIN + C18 1u + R21 (open) JP2 AIN MIN LIN RIN HPL C19 220u R19 (short)
J2 HPL
E
JP3 HPL HP
R20 16
2 1 3
D
J3 HP
HP
+
R22 (short)
D
HPR C20 220u
JP4 HPR LINE R23 16
J4 HPR
MOUT
C
+
R24 220
J5 MOUT
C21 4.7u
R25 10k
C
B
B
A
A
Title Size Document Number
AKD4367
Analog
Sheet
E
Rev
A3
Date:
A B C D
B 3
of
Thursday, January 23, 2003
4
A
B
C
D
E
D_REG D_REG
2
1
1
2
3
4
1
E
D1 1S1588
R26 10k
2
U2A 74HC14
U2B 74HC14 PDN L
D2 1S1588
R27 10k
11
U2E 74HC14
10 9
U2D 74HC14
8
E
4116_PDN
L
3 1
H SW1
2
H
3 1
DAC_PDN
C22 0.1u
2
SW2 DIR_PDN
C23 0.1u
D
U4
D
1
G1
19
G2
MCLK BICK LRCK SDTI VCC
PORT3
1 2 3 4 5 10 9 8 7 6
GND GND CDTI1
2
A1
Y1
18
3
A2
Y2
17
CDTI
DSP CCLK1
C
4
A3
Y3
16
CCLK
C
D_REG JP8 4116_SDTO 4116_SDTO JP7 LRCK 4116_LRCK
8 A7 Y7 12
R28 10k
CS1
5
A4
Y4
15
CSN
6
A5
Y5
14
SDATA
7
A6
Y6
13
LRCK
BICK
JP6 BICK 4116_BICK JP5 MCLK
B
9
A8
Y8
11
MCLK
4116_MCLK
74LVC541 for 74LCV541,74HC14 D_REG C25 0.1u C26 0.1u
B
A
U2C 74HC14
5 6 Title Size Document Number
A
AKD4367
Interface
Sheet
E
Rev
A3
Date:
A B C D
B 4
of
Thursday, January 23, 2003
4

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