音频光纤同轴发射器方案CS8406+MS1808,附带电路图参考设计

W18938047300

音频光纤同轴发射器方案可以由CS8406+MS1808来做成。具体以下为音频光纤同轴发射芯片CS8406和音频ADC芯片MS1808详细介绍。深圳锦宏世纪/李先生18938047300
MS1808 是带有采样速率 8kHz ~ 96kHz 的立体声 A/D 转换器，适合于面向消费者的专业音频系统。
MS1808 通过使用增强型双位  技术来实现其高精度的特点。MS1808 是单端的模拟输入所以不需要外部器件。音频接口有两种类型(最高有效位对齐， I 2S )适合用于像 DTV,DVR 和 AV 接收器的系统。
主要特点
9 {5 X6 \# q9 f; }3 @线性相位抗混叠数字滤波器
单端输入
0 L: C# Q( Q8 W2 @& c带失调电压消除的数字高通滤波器
信噪失真比：85dB
0 X. h" g' u/ q! r动态范围：95dB
信噪比:95dB
; W, C& V* W" }. G8 S: A采样速率 8kHZ 到 96kHz
/ r, ?8 A8 {9 }; I6 Y6 D主时钟：
# Y" ]. E; A/ ^& m) H6 P256fs/384fs/512fs/768fs
( \# D# w0 f# r6 N# a# z(8kHz ~ 48kHz)
256fs/384fs
(48kHz ~ 96kHz)
' C% y* F4 H( s7 s9 C主机/从机模式
音频接口：24 位最高有效位对齐/ I 2S
2 G, g( v& Y6 Q, J% o& k6 L0 c电源：4.5 ~ 5.5V 模拟，2.7 ~ 5.5V 数字
温度范围 -20 ~ 85℃
& G. t; S4 O) I2 ?) lTSSOP14 封装
应用
' n9 \: Y  N% m/ U: f! V2 VDVD 录音机
数字 TV
CD 录音机
1 Q' k% b* j5 wThe CS8406 is a monolithic CMOS device which encodes and transmits audio data according to the AES3,IEC60958, S/PDIF, o r EIAJ CP1201 standards. The
0 w, |. Z4 u9 V* h7 ~/ J% ICS8406 accepts audio and digital data, which is thenmultiplexed, encoded, and driven onto a cable.
; T+ M4 }: ]3 ~" k- lThe audio data is input through a configurable, 3-wireinput port. The channel status and user bit data are input through an SPI™ or I2C® microcontroller port, and
9 S3 @+ u) n6 E$ omay be assembled in block-sized buffers. For systemswith no microcontroller, a Stand-Alone Mode allows direct access to channel status and user bit data pins.
The CS8406 is available in a 28-pin TSSOP and SOICpackage for both Co mmercial (-10o to +70oC) andAutomotive grade (-40o to +85oC). The CDB8416Demonstration board is also available for deviceevaluation and implementation suggestions. Please
refer to “Ordering Information” on page 34 for completedetails.
Target applications include A/V Receivers, CD-R, DVD
  u& V$ N$ Y/ s4 r& w1 P% h2 rreceivers, digital mixin g consoles, effects processors,
' y& L0 O: H6 q+ e: u8 g- jset-top boxes, and computer and automotive audio systems

, a, D& C  z- C& uComplete EIAJ CP1201, IEC-60958, AES3,
S/PDIF-compatible Transmitter
, Q. |9 \# [( y5 _0 |2 `
+3.3 V or 5.0 V Digital Supply (VD)
- Y, W: ?# `# p/ ~* O9 Y
+3.3 V or 5.0 V Digital InteRFace (VL)
  @4 [5 Q* m$ F6 W& q! H6 B
On-Chip Channel Status and User Bit Buffer
Memories Allow Block-Sized Updates

- C# b9 T* y- m( @/ f5 Q; M) XFlexible 3-Wire Serial Digital Audio Input Port
6 i& v: x) G. {8 F- p9 E
Up to 192-kHz Frame Rate
3 l) j, f( d, B8 O
Microcontroller Write Access to Channel Status
" D& e7 y! D. g5 h% k7 L; ^0 b  s9 Kand User Bit Data
- Z8 o7 ^6 s/ a& T0 \
On-Chip Differential Line Driver

Generates CRC Codes and Parity Bits

, s' V+ u5 s- E7 ]2 \  ?+ _Stand-Alone Mode Allows Use without a
Microcontroller

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适合于面向消费者的专业音频系统