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參數(shù)資料
| 型號： | KA2271B |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | DOLBY B-Type NR Processor(杜比B型降噪處理器) |
| 中文描述： | 杜比B型降噪處理器（杜比乙型降噪處理器） |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 99K |
| 代理商： | KA2271B |
KA2271B DOLBY B-TYPE NR PROCESSOR
INTRODUCTION
The KA2271B is a monolithic intergrated circuit designed
for use in Dolby*B-type noise reduction systems.
FEATURES
Few external components
Low quiescent circuit current (typ I
CCQ
= 5.3mA)
High crosstalk rejection ratio
Built in NR-swich, REC/PB-switch
Recommended supply voltage : V
CC
= 8V ~ 16V
BLOCK DIAGRAM
*;
”
Dolby
”
and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
This I.C is available only to licensees of Dolby Laboratories Licensing Corporation, San Francisco, from whom
licensing and application information must be obtained.
11
9
5
2
4
7
8
9
3
1
14
16
15
10
12
13
VCA & HPF
RMS
DETECTOR
GAIN
FACTOR
RMS
DETECTOR
VCA & HPF
BUFFER
BUFFER
VOLTAGE
REGULATOR
CONTROL
SWITCH
REC IN2
PB IN2
PB OUT2
REC OUT2
PIPPLE
R-CONSTANT
RIPPLE
REC OUT1
PB OUT1
PB IN1
REC IN1
GND
R/P SW
NR SW
R/R
Vcc
ORDERING INFORMATION
Device
Package
Operating Temperature
-30
°
C ~ +85
°
C
KA2271B
16-DIP-300A
KA2271BD
16-SOP-225A
16-SOP-225A
16-DIP-300A
Fig. 1
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| KA2271 | DOLBY B-TYPE NR PROCESSOR |
| KA2271BD | DOLBY B-TYPE NR PROCESSOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA2271BD | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DOLBY B-TYPE NR PROCESSOR |
| KA2272 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM NOISE CANCELLER |
| KA2272D | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM NOISE CANCELLER |
| KA2281 | 制造商:POWERTIP 制造商全稱:POWERTIP 功能描述:5-DOT DUAL LED LEVEL METER DRIVER |
| KA2284 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:5 DOT LED LEVEL METER DRIVER |
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