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參數(shù)資料
| 型號： | HA12209F |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| 中文描述： | 音頻信號處理器卡座（杜比B型錄音系統(tǒng)星期日） |
| 文件頁數(shù)： | 8/49頁 |
| 文件大?。?/td> | 279K |
| 代理商： | HA12209F |
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HA12209F
Rev.2, Jun. 1999, page 8 of 49
Functional Description
Power Supply Range
HA12209F is designed to operate on single supply.
Table 1
Spply Voltage
Item
Power Supply Range
Single Supply
Note:
10V to 15V
The lower limit of supply voltage depends on the line output reference level.
The minimum value of the overload margin is specified as 12dB by Dolby Laboratories.
Reference Voltage
For this IC, the reference voltage (V
CC
/2) occurrence device is built-in as AC grand. A capacitor for a
ripple filter is greatly small characteristic with 1/100 compared with conventional device.
And, the reference voltage are provided for the left channel and the right channel separately.
The block diagram is shown as figure 1.
L channel Reference voltage
R channel Reference voltage
Music sensor Reference voltage
1
μ
GND
PIR
+
V
CC
V
CC
–
+
–
+
–
+
50
51
49
22
23
C : F
Unit
Figure 1 Reference Voltage
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| HA12211 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12211NT | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Audio Signal Processor for Cassette Deck (Deck 1 Chip) |
| HA12212F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12215 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12215F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
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