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參數(shù)資料
| 型號(hào)： | HA12207NT |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 150000 SYSTEM GATE 1.8 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | 音頻信號(hào)處理器卡座 |
| 文件頁(yè)數(shù)： | 7/27頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | HA12207NT |
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HA12207NT
Rev.3, Jun. 1999, page 7 of 27
Functional Description
Power Supply Range
HA12207NT is designed to operate on single supply, shown by table 1.
Table 1
Supply Voltage
Item
Power Supply Range
Single Supply
9.5V to 15.0V
Reference Voltage
As AC reference (Vref) of this IC has not a current drivability, Vref fluctuates by A/B switching of PB-EQ.
Provided it causes you anxiety, please supply 7 pin with approximate 1/2 V
CC
voltage.
For example, a suitable circuit is shown by figure 1.
This IC has a capacitor charger for the Vref, indicated to the pin interface circuit figure.
470
GND
1
22
7
V
CC
Vref
+470
μ
F
Lch PB-EQ Reference voltage
Lch REC-EQ Reference voltage
Rch REC-EQ Reference voltage
Rch PB-EQ Reference voltage
Figure 1 Reference Voltage Circuit
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