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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)： | 5/7頁 |
| 文件大?。?/td> | 99K |
| 代理商： | KA2271B |
KA2271B DOLBY B-TYPE NR PROCESSOR
APPLICATION INFORMATION
1) POWER SUPPLY
The KA2271B can be operated at 8V ~ 16V in case of single and
±
4V ~
±
8V in dual power supply.
2) SWITCH CONTROL
All function of KA2271B are controlled by internal electronic switchs. The function switch is operated by D.C. voltage
of NR and R.P control pins.
VOLTAGE
NR, R/P
V
H
V
L
Condition
PB
REC
NR-off
NR-on
Single
Dual Power
2.4V
≥
V
H
0.4V
≥
V
L
V
H
≥
V
EE
+ 2.4V
V
EE
+ 0.4V
≥
V
L
3) REFERENCE LEVEL
The reference output level of Dolby noise reduction system is defined as Dolby level. The Dolby level of KA2271B
is 245mV (-10dBm) at f = 400Hz.
5
6
7
8
12
11
10
9
Dual power connection
KA2271B
Fig. 4
GND
+V
BB
-V
EE
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| KA2271BD | DOLBY B-TYPE NR PROCESSOR |
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相關代理商/技術參數(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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