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參數(shù)資料
| 型號(hào)： | KA22712B |
| 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(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | KA22712B |
KA22712B DOLBY B-TYPE NR PROCESSOR
INTRODUCTION
The KA22712B 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
= 6.5V ~ 16V
BLOCK DIAGRAM
*;
”
Dolby
”
and double-D
symbol are trademarks
of Dolby Laboratories
Licensing Corporation.
This I.C is availavle only
to licensees of Dolby Laboratories Licensing Corporation, San Francisco, from whom
licensing and applicationinformation must be obtained.
VOLTAGE
REGULATOR
CONTROL
SWTCH
10
12
13
4
7
9
11
BUFFER
VCA & HPF
RMS
DETECTOR
GAIN
FACTOR
RMS
DETECTOR
VCA & HPF
8
6
BUFFER
2
5
15
3
1
14
16
REC IN2
PB IN2
PB OUT2
REC OUT2
V
CC
RIPPLE
FILTER
NR SW
R/R SW
GND
REC IN1
PB IN1
PB OUT1
REC OUT1
Fig. 1
ORDERING INFORMATION
Device
Package
Operating Temperature
KA22712B
16-DIP-300A
-30
°
C ~ +85
°
C
KA22712BD
16-SOP-225A
16-SOP-225A
16-DIP-300A
RIPPLE
FILTER
R-CONSTABT
RIPPLE
FILTER
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| KA2272 | FM NOISE CANCELLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA2271B | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:DOLBY B-TYPE NR PROCESSOR |
| KA2271BD | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:DOLBY B-TYPE NR PROCESSOR |
| KA2272 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:FM NOISE CANCELLER |
| KA2272D | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:FM NOISE CANCELLER |
| KA2281 | 制造商:POWERTIP 制造商全稱(chēng):POWERTIP 功能描述:5-DOT DUAL LED LEVEL METER DRIVER |
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