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參數(shù)資料
| 型號： | KA3019D2 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | 4-CH Motor Driver For CD System(用于CD系統(tǒng)的四通道馬達驅動器) |
| 中文描述： | 4 CHANNEL CD MOTOR DRIVER, PDSO28 |
| 封裝： | 0.300 INCH, HSSOP-28 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大小： | 298K |
| 代理商： | KA3019D2 |
KA3019D2
CD-ROM PRODUCTS
6
MIC-99D001
January 1999
APPLICATION INFORMATION
1. REFERENCE INPUT
Pin 12 (REF) is a
reference Input pin.
Reference input
The applied voltage at the reference input pin must be between 2V and 6.5V, when V
CC
=8.5V.
2. SEPARATED CHANNEL MUTE FUNCTION
These pins are used for individual channel mute operation.
When the mute pins (pin13, 14 and 22) are Low level, the mute circuits are enabled and the output circuits are
muted.
When the voltage of the mute pins (pin13, 14 and 22) are High level, the mute circuits are disabled and the
output circuits operate normally.
If the chip temperature rises above 175
°
C, then the thermal shutdown (TSD) circuit is activated and the
output circuits are muted.
— Mute1, 2 (pin 13)-CH1, 2 mute control input pin.
— Mute3 (pin 14)-CH3 mute control input pin.
— Mute4(pin22) - CH4 mute control input pin.
3. PROTECTION FUNCTION
Thermal Shutdown (TSD)
If the chip temperature rises above 175
°
C the thermal shutdown (TSD) circuit is activated and the output
circuit is in the Mute state, that is Off state.
The TSD circuit has a temperature hysteresis of 25
°
C.
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