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。
) @* }, s' U0 }主要特点
% q0 `! m& |4 q: X线性相位抗混叠数字滤波器
% J& q( ?% Z, z& ?0 g. B单端输入
带失调电压消除的数字高通滤波器
7 R& t2 q) P, i$ O4 w信噪失真比：85dB
动态范围：95dB
信噪比:95dB
采样速率 8kHZ 到 96kHz
主时钟：
4 c! C. C0 j% J256fs/384fs/512fs/768fs
(8kHz ~ 48kHz)
256fs/384fs
(48kHz ~ 96kHz)
& r- q# `: t$ i5 W3 j* y/ m主机/从机模式
  [* m% D) r+ h$ d音频接口：24 位最高有效位对齐/ I 2S
( y! v# f' V& i: p/ I电源：4.5 ~ 5.5V 模拟，2.7 ~ 5.5V 数字
4 Q4 i$ S: i3 w$ I4 U温度范围 -20 ~ 85℃
TSSOP14 封装
应用
DVD 录音机
数字 TV
CD 录音机
The 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
1 @; D+ N) Q. nCS8406 accepts audio and digital data, which is thenmultiplexed, encoded, and driven onto a cable.
The 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
/ F+ I4 P, [) A1 X5 b6 x2 hmay 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.
% X3 W7 a2 p5 X% y9 w* `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
/ @8 v+ B% k6 Q" S6 T0 z9 Urefer to “Ordering Information” on page 34 for completedetails.
Target applications include A/V Receivers, CD-R, DVD
" Q/ M1 g) g1 V. X; V& Creceivers, digital mixin g consoles, effects processors,
0 U8 o- t* Y; L0 J' N" y. \% j, pset-top boxes, and computer and automotive audio systems
2 k6 i7 z' m2 _& N' @
Complete EIAJ CP1201, IEC-60958, AES3,
S/PDIF-compatible Transmitter
9 p4 q) m% M, @
/ L$ ?: T+ N- n! \, Q0 O& N' H+3.3 V or 5.0 V Digital Supply (VD)

9 m8 G4 z5 h8 P* N' }$ O5 j+3.3 V or 5.0 V Digital InteRFace (VL)
; g2 y0 K  v( m' _9 l7 u
On-Chip Channel Status and User Bit Buffer
Memories Allow Block-Sized Updates
$ ~; x1 X6 c5 m' l& X
Flexible 3-Wire Serial Digital Audio Input Port

4 u+ L0 r0 J& U0 T/ _Up to 192-kHz Frame Rate

Microcontroller Write Access to Channel Status
and User Bit Data
0 D' u& X) y8 }* P
On-Chip Differential Line Driver
& \  D+ w. d& o
Generates CRC Codes and Parity Bits
; ^' \7 I! E! Q3 n, e# w
' g+ w. m1 Z5 H0 g' Y9 |: ZStand-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