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부품번호 | AKD4644-B 기능 |
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기능 | Stereo CODEC | ||
제조업체 | Asahi Kasei Microsystems | ||
로고 | |||
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
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
4페이지 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
7페이지 | |||
구 성 | 총 30 페이지수 | ||
다운로드 | [ AKD4644-B.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
AKD4644-B | Stereo CODEC | Asahi Kasei Microsystems |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |