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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
# h& }, T( v( z& P, O- vMS1808 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。
/ c9 H% D% N2 J p" j" uMS1808 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。4 R6 `7 Z- _& ]
主要特点
0 U% \3 Z8 d, q; X" c6 Y3 U线性相位抗混叠数字滤波器3 p9 k4 i) t# X: @4 n
单端输入
% |" ~. X' W7 _带失调电压消除的数字高通滤波器
! i% |0 I6 S$ D信噪失真比：85dB
2 W5 J' F- c: k% w9 G" S动态范围：95dB
! k# ~) C- o/ A$ X6 F' n; N d" D信噪比:95dB
6 ?- _5 l( U2 L/ d7 z0 [0 H; I' y采样速率 8kHZ 到 96kHz
/ A% Y$ M! _. k& R7 o# l- w主时钟：4 u7 N4 Q9 Q: V J2 d* w7 Y
256fs/384fs/512fs/768fs% D5 [" Z/ t. I) j
(8kHz ~ 48kHz)! F6 e. M' |% D" s7 E
256fs/384fs
7 X7 ]3 y$ q" s5 C(48kHz ~ 96kHz)' D& ]# ` q' }. T! i7 E; Q
主机/从机模式
J1 C; ?; e: m& _; m* w音频接口：24 位最高有效位对齐/ I 2S
: j$ K" O% Y) W电源：4.5 ~ 5.5V 模拟，2.7 ~ 5.5V 数字5 a, A( b' b4 s4 ?, ~
温度范围 -20 ~ 85℃) z0 d) r+ ]6 A; b+ `" I& P
TSSOP14 封装( ]. v' [. a# J% o* m8 ?
应用. N6 I+ S: E; \
DVD 录音机8 o* s$ i& y* Y
数字 TV
1 |* \, Y; _' _CD 录音机, p ?5 U5 ?, X2 w
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
( |; ~: t) \) k: b+ h( k8 |CS8406 accepts audio and digital data, which is thenmultiplexed, encoded, and driven onto a cable.
) a7 O8 [: R0 g# M# ?1 h( l M% ^9 g$ WThe 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! i! F8 i8 Z! y+ r0 Z# }
may 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.
. @2 w# w5 G. r3 t! ?7 JThe 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$ U4 ]+ }+ e. s7 m
refer to “Ordering Information” on page 34 for completedetails.
3 \& p& d" m9 I. tTarget applications include A/V Receivers, CD-R, DVD
$ `" N% d! c3 M& P) ]" m preceivers, digital mixin g consoles, effects processors,9 [6 s3 B& f% a# G
set-top boxes, and computer and automotive audio systems0 y) S+ M2 G0 C. r
+ k5 y0 W; }1 s2 v; l9 ]
Complete EIAJ CP1201, IEC-60958, AES3,2 R- T6 Y3 F6 {
S/PDIF-compatible Transmitter6 Y7 n9 n4 Z7 `# ^9 G( C X# g
1 m5 C2 _- V' d. _" K9 Z. N+3.3 V or 5.0 V Digital Supply (VD)6 b+ l& p, E) n3 r- d+ {" y4 ]
5 J) K( `, j, k c2 T" U+3.3 V or 5.0 V Digital InteRFace (VL)
& Q3 f% E/ x1 @+ X
# M) f' E) h4 d$ XOn-Chip Channel Status and User Bit Buffer u1 k) ]' P+ J/ n% L, O
Memories Allow Block-Sized Updates% p7 C) [, i ~; c/ @
2 Y& R/ S2 w9 b* U5 h0 x' }! j
Flexible 3-Wire Serial Digital Audio Input Port! R* v- P* ?4 b2 t' M8 V/ ?& a
- B' K/ ?6 W$ cUp to 192-kHz Frame Rate
- k9 I/ m; J# K% G8 j9 Q2 ~, n. C' q) B8 h
Microcontroller Write Access to Channel Status% }9 Z, W/ ]8 v! I w# X* e) h- P2 y
and User Bit Data
8 P$ B1 n6 c, Z( }; {2 ]# m, ^! i, P% v& c
On-Chip Differential Line Driver
; ^5 T! r4 a+ m$ y( G9 z# r Y5 ?
Generates CRC Codes and Parity Bits$ J7 v5 e5 \9 [5 q- v% }/ D
% Y v1 O8 K2 N1 h; J& q
Stand-Alone Mode Allows Use without a0 n* k/ H C( @! ~# j J
Microcontroller- Z$ |' N8 \1 F5 F2 P3 z% v9 E' E
7 B: ], r3 U& J/ B4 @7 m3 {# R( y7 T9 m
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发表于 2021-10-28 16:05
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