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參數(shù)資料
| 型號(hào)： | BA6899AS |
| 英文描述： | Servo/Spindle Motor Controller/Driver |
| 中文描述： | 伺服/主軸電機(jī)控制器/驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 84K |
| 代理商： | BA6899AS |
659
Audio ICs
BA689
Application example
Attached components
(1)
LED current setting resistor (R
1
)
This resistor sets the LED current value. Refer to Fig. 3
for the relationship between the value of this resistor and
the current value. The recommended value is 27k
for
green LEDs, and 39k
for red LEDs. If the LED current
is set too high, the allowable power dissipation of the
package may be exceeded, so exercise due caution.
(2)
Input coupling capacitor (C
1
)
This capacitor connects the BA689 to external input cir-
cuits. The recommended value is 2.2
μ
F.
(3)
Input bias resistor (R
2
)
This resistor is the input impedance. If the value is set too
large, the DC bias voltage will increase, and the input off-
set will increase and have an effect on the comparators.
The recommended value is 10k
.
(4)
Resistor and capacitor that set the LED operation
level discharge time constant (R
3
and C
2
)
These components set the discharge time constant for
LED operation level. The recommended values are R
3
=
10k
and C
2
= 10
μ
F.
(5)
This capacitor stabilizes the power supply line. The rec-
ommended value is 10
μ
F. This capacitor will have no ef-
fect if its value is 1
μ
F or less.
Power supply capacitor (C
3
)
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| BA6901F | 制造商:ROHM 制造商全稱:Rohm 功能描述:2-Phase half-wave motor pre driver for fan motor |
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