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參數(shù)資料
| 型號： | 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） |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 79K |
| 代理商： | KA22712B |
KA22712B DOLBY B-TYPE NR PROCESSOR
APPLICATION INFORMATION
1) POWER SUPPLY
The KA22712B can be operated at 6.5V ~ 16V in case of signale and
±
3.25V -
±
8V in dual power supply.
2) SWITCH CONTROL
All function of KA22712B 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 KA22712B
is 245mV (-10dBm) at f = 400Hz.100
5
6
7
8
12
11
10
9
Dual power connection
Fig. 4
KA22712B
+V
BB
GND
-V
EE
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| KA2271B | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DOLBY B-TYPE NR PROCESSOR |
| 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 |
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