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參數(shù)資料
| 型號(hào)： | KA3010D |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | 4-CH Motor Driver For CD/DVD System(用于CD/DVD系統(tǒng)的四通道馬達(dá)驅(qū)動(dòng)器) |
| 中文描述： | 4 CHANNEL CD MOTOR DRIVER, PDSO28 |
| 封裝： | 0.375 INCH, HSSOP-28 |
| 文件頁(yè)數(shù)： | 7/13頁(yè) |
| 文件大?。?/td> | 399K |
| 代理商： | KA3010D |
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CD-ROM PRODUCTS
KA3010D
7
MIC-99D001
January 1999
3. OP-AMP
Op-amp is integrated in the IC for user’s convenience.
4. DRIVER
The voltage, V
REF
, is the reference voltage given by the bias voltage of the pin #23.
The input signal through the pin #3 is amplified by 10k/10k times and then fed to the level shift.
The level shift produces the current due to the difference between the input signal and the arbitrary reference
signal. The current produced as +
I and
I is fed into the driver buffer.
Driver buffer operates the power TR of the output stage according to the state of the input signal.
The output stage is the BTL driver and the motor is rotating in forward direction by operating TR Q1 and TR
Q4. On the other hand, if TR Q2 and TR Q3 is operating, the motor is rotating in reverse direction.
When the input voltage through the pin #3 is below the V
REF
, then the direction of the motor in forward
direction.
When the input voltage through the pin #3 is above the V
REF
, then the direction of the motor in reverse
direction.
If it is desired to change the gain, then the pin #4 can be used.
The gain (A
V
) of the drive circuit is as follows.
4
V
IN
V
IN
+
AMP-I(+)
16 pin
AMP -I(
)
15 pin
14 pin
AMP-O
+
+
+
10k
VREF
(2.5V)
10k
AMP
Level
shift
I
+
I
Buffer
Buffer
Q1
Q3
M
Q2
Q4
V
+
V
CH-I
(3, 10, 19, 25 Pin)
CH-GA
(4, 9, 20, 24 Pin)
CH-O
(1, 12,
17, 27 Pin)
CH-O
(2, 11,
18, 26 Pin)
A
V
20 log
-----------
12
dB
(
)
=
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA3011 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Phase BLDC Motor Driver |
| KA3011BD | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| KA3011BDTF | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BLDC Motor Driver 3-Phase RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| KA3012D | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver |
| KA3012D02 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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