參數(shù)資料
型號: X9522V20I-B
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Laser Diode Control for Fiber Optic Modules
中文描述: DIGITAL POTENTIOMETER, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 15/29頁
文件大?。?/td> 486K
代理商: X9522V20I-B
15
FN8208.0
March 10, 2005
V
TRIPx
Programming
Apply Vcc & Voltage
> Desired
V
TRIPx
to Vx
Decrease Vx
switches
Actual
V
TRIPx
-
Desired
V
TRIPx
= Error
DONE
Execute
V
TRIPx
Reset
Sequence
Set Vx = desired
V
TRIPx
Execute
Sequence
Set Higher
V
TRIPx
New Vx applied =
Old Vx applied
+
| Error |
Execute
Reset
V
Sequence
New Vx applied =
Old Vx applied
-
| Error |
Error < MDE
| Error | < | MDE |
YES
NO
Error >MDE
+
NO
YES
Figure 17. V
TRIPx
Setting / Reset Sequence (x = 1,2,3)
Desired V
<
present value
Note: X = 1,2,3.
Let: MDE = Maximum Desired Error
Output
Acceptable
Error Range
MDE
+
MDE
Error = Actual – Desired
Desired Value
X9522
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X9523V20I-A Laser Diode Control for Fiber Optic Modules
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