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AK4112B 데이터시트 PDF




Asahi Kasei Microsystems에서 제조한 전자 부품 AK4112B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AK4112B 자료 제공

부품번호 AK4112B 기능
기능 High Feature 96kHz 24bit DIR
제조업체 Asahi Kasei Microsystems
로고 Asahi Kasei Microsystems 로고


AK4112B 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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AK4112B 데이터시트, 핀배열, 회로
[AK4112B]
AK4112B
High Feature 96kHz 24bit DIR
GENERAL DESCRIPTION
The AK4112B is a digital audio receiver (DIR) compatible with 96kHz, 24bits. The channel status
decoding supports both consumer and professional modes. The AK4112B can automatically detect a
Non-PCM bit stream. When combined with an AK4527B multi channel codec, the two chips provide a
system solution for AC-3 applications. The dedicated pins or a serial µP I/F can control the mode setting.
The small package, 28pin SSOP saves the board space.
*AC-3 is a trademark of Dolby Laboratories.
FEATURES
† Supports AES/EBU, IEC958, S/PDIF, EIAJ CP1201
† Low jitter Analog PLL
† PLL Lock Range: 22k~108kHz
† Clock Source: PLL or X'tal
† 4 channel Receivers input and 1 through transmission output
† Auxiliary digital input
† De-emphasis for 32kHz, 44.1kHz, 48kHz and 96kHz
† Dedicated Detect Pins
- Non-PCM Bit Stream Detect Pin
- Validity Flag Detect Pin
- 96kHz Sampling Detect Pin
- Unlock & Parity Error Detect Pin
† Supports up to 24bit Audio Data Format
† Audio I/F: Master or Slave Mode
† 32bits Channel Status Buffer
† Burst Preamble bit Pc, Pd Buffer for Non-PCM bit stream
† Serial µP I/F
† Two Master Clock Outputs: 128fs/256fs/512fs
† Operating Voltage: 2.7 to 3.6V with 5V tolerance
† Small Package: 28pin SSOP
† Ta: -40~85°C
MS0078-E-03
-1-
2012/01




AK4112B pdf, 반도체, 판매, 대치품
[AK4112B]
PIN/FUNCTION
No. Pin Name
I/O
Function
1 DVDD
2 DVSS
3 TVDD
V
4
TX
- Digital Power Supply Pin, 3.3V
- Digital Ground Pin
- Input Buffer Power Supply Pin, 3.3V or 5V
O Validity Flag Output Pin in Parallel Mode
O Transmit channel (through data) Output Pin in Serial Mode
5 XTI
I X'tal Input Pin
6 XTO
O X'tal Output Pin
7 PDN
8R
9 AVDD
Power-Down Mode Pin
I When “L”, the AK4112B is powered-down and reset.
-
External Resistor Pin
18kΩ +/-1% resistor to AVSS externally.
- Analog Power Supply Pin
10 AVSS
- Analog Ground Pin
11 RX1
Receiver Channel 1
I This channel is selected in Parallel Mode or default of Serial Mode.
12 DIF0
RX2
I Audio Data Interface Format 0 Pin in Parallel Mode
I Receiver Channel 2 in Serial Mode
DIF1
13
RX3
DIF2
14
RX4
15 AUTO
16 P/S
17 FS96
18 ERF
19 LRCK
20 SDTO
21 BICK
I Audio Data Interface Format 1 Pin in Parallel Mode
I Receiver Channel 3 in Serial Mode
I Audio Data Interface Format 2 Pin in Parallel Mode
I Receiver Channel 4 in Serial Mode
O
Non-PCM Detect Pin
“L”: No detect, “H”: Detect
I
Parallel/Serial Select Pin
“L”: Serial Mode, “H”: Parallel Mode
96kHz Sampling Detect Pin
O (RX Mode) “H”: fs=88.2kHz or more, “L”: fs=54kHz or less.
(X’tal Mode) “H”: XFS96=1, “L”: XFS96=0.
Unlock & Parity Error Output Pin
O
“L”: No Error, “H”: Error
I/O Output Channel Clock Pin
O Audio Serial Data Output Pin
I/O Audio Serial Data Clock Pin
22 DAUX
I Auxiliary Audio Data Input Pin
23 MCK02
24 MCK01
OCKS0
25
CSN
O Master Clock #2 Output Pin
O Master Clock #1 Output Pin
I Output Clock Select 0 Pin in Parallel Mode
I Chip Select Pin in Serial Mode
OCKS1
26
CCLK
I Output Clock Select 1 Pin in Parallel Mode
I Control Data Clock Pin in Serial Mode
CM1
27
CDTI
I Master Clock Operation Mode Pin0 in Parallel Mode
I Control Data Input Pin in Serial Mode
28 CM0
CDTO
I Master Clock Operation Mode Pin1 in Parallel Mode
O Control Data Output Pin in Serial Mode
Note 1: All input pins except internal pull-down pins should not be left floating.
MS0078-E-03
-4-
2012/01

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AK4112B 전자부품, 판매, 대치품
„ Timing Diagram
LRCK
BICK
SDTO
DAUX
LRCK
BICK
SDATA
DAUX
CSN
CCLK
CDTI
CDTO
[AK4112B]
tBLR tLRB
tBCKL tBCKH
tLRM
tBSD
tDXS tDXH
Serial Interface Timing (Slave Mode)
50%DVDD
50%DVDD
50%DVDD
50%DVDD
tMBLR
tDXS
tDXH
50%DVDD
tBSD
50%DVDD
50%DVDD
50%DVDD
Serial Interface Timing (Master Mode)
tCSS
tCCKL tCCKH
tCDS
C0
tCDH
C0 R/W
Hi-Z
WRITE/READ Command Input Timing
50%DVDD
50%DVDD
A4 50%DVDD
MS0078-E-03
-7-
2012/01

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