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AKD4644-B 데이터시트 PDF




Asahi Kasei Microsystems에서 제조한 전자 부품 AKD4644-B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 AKD4644-B 기능
기능 Stereo CODEC
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AKD4644-B 데이터시트, 핀배열, 회로
ASAHI KASEI
www.DataSheet4U.com
[AKD4644-B]
AKD4644-B
AK4644 Evaluation board Rev.0
GENERAL DESCRIPTION
AKD4644-B is an evaluation board for the AK4644, Stereo CODEC with built-in MIC/HP/RCV amplifier.
The AKD4644-B can evaluate A/D converter and D/A converter separately in addition to loop-back mode
(A/D D/A). The AKD4644-B also has the digital audio interface and can achieve the interface with
digital audio systems via opt-connector.
„ Ordering guide
AKD4644-B
--- Evaluation board for AK4644
(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
DIT/DIR with optical input/output
10pin Header for serial control mode
Mini-jack for external Stereo Speaker
On-board Stereo Class-D Speaker Amplifier (AK7830)
5V Regulator
GND
3.3V
LIN1/
RIN1
LIN2/
RIN2
MIN/
LIN3/
RIN3
HP
LOUT/
ROUT
SPL
SPR
AK7830
AK4644
Control Data
10pin Header
DSP
10pin Header
AK4114
Opt In
Opt Out
<KM082800>
Figure 1. AKD4644-B Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual
-1-
2006 / 03




AKD4644-B pdf, 반도체, 판매, 대치품
ASAHI KASEI
www.DataSheet4U.com
„ Other jumper pins set up
1. JP1 (GND) : Connection between AGND and DGND.
OPEN : Both grounds are separated on board.
SHORT : Both grounds are connected on board. <Default>
2. JP2,JP3 : Connection of mic power.
OPEN: Mic power is not connected.
SHORT : Mic power is connected. <Default>
3. JP12 : HVDD Select.
3.3V : HVDD is supplied from the regurator (3.3V). <Default>
5V : HVDD is supplied from “VCC” jack (5V).
4. JP16,JP17: Select Pin #5,28
Pin #5
VCOC
RIN3
Pin #28
MIN
LIN3
JP16
VCOC
RIN3
JP17
Open
Short
AIN3 bit
0
1
5. JP18,JP19,JP20 : Select the input from MIN/LIN3/RIN3.
<Default>
Pin #26
ROUT
RCN
Pin #27
LOUT
RCP
JP18
Open
Short
JP19
Open
Short
6. JP22 : Select the Power Booster of AK7830.
VCC : Power Booster ON
GND: Power Booster Off<Default>
JP20
Short
Open
RCV bit
0
1
<Default>
[AKD4644-B]
„ The function of the toggle SW
[SW1] (PDN): Power down of AK4644 and AK4114. Keep “H” during normal operation.
[SW2] (SPK_PDN): Power down of AK7830. Keep “H” during normal operation.
„ Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
<KM082800>
-4-
2006 / 03

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AKD4644-B 전자부품, 판매, 대치품
ASAHI KASEI
www.DataSheet4U.com
(2) Output Circuits
1. Headphone-amp Output Circuit
HPL
HPR
C13
47u
+
+
C15
47u
C16
0.22u
C17
0.22u
R17 R18
10 10
R14
0(SHORT)
R16
0(SHORT)
[AKD4644-B]
4
J1
6 HP
3
Figure 6. Headphone-amp Output Circuit
2. STEREO LINE Output Circuit
LOUT
C20
1u
+
JP19
RCP
R21
220
R22
20k
ROUT
C21
1u
+
R23
220
R24
20k
4
6
3
JP20
LINEOUT
J6
LOUT/ROUT/RCV
JP18
RCN
Figure 7. STEREO LINE Output Circuit
<KM082800>
-7-
2006 / 03

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관련 데이터시트

부품번호상세설명 및 기능제조사
AKD4644-B

Stereo CODEC

Asahi Kasei Microsystems
Asahi Kasei Microsystems

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