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參數(shù)資料
| 型號： | OL2068 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Displays |
| 中文描述： | 工業(yè)30伏4通道差分電力線驅(qū)動器 |
| 文件頁數(shù)： | 9/9頁 |
| 文件大?。?/td> | 424K |
| 代理商： | OL2068 |
OL2068
Industrial 30 Volt 4-Channel Differential Power Line Driver - Short Circuit Proof -
Line driver applications
For differential line driver applications it is recommended to use shielded twisted pair cable. Unfortunately this type
of cable is not widely used. A more realistic load circuit is therefore shown in Figure 13. A long cable model is
shown in Figure 14.
Twisted Pair transmission lines
V
CCD
Output+
Output-
1/4
OL2068
Input
twisted pair line
Output
V
CC
Figure 12
Figure 13
Load circuit for differential transmission Lines
C
L_DIF
= 0.5 * C
L
V
CCD
/ R
L
~ 30 mA
V
CCD
V
CCD
R
L
R
L
R
L
R
L
C
L
C
L
C
L_DIF
Output+
Output-
The variables for Figure 13 to meet the push-pull output drive DC characteristics are: C
L
= 1000 pF, C
L
DIF
= 500 pF
Figure 14
Long cable model (100 m/300 ft) for
differential transmission lines
2nF
1
1
1nF
2nF
2nF
1
1
1nF
2nF
2nF
1
1
1nF
2nF
2nF
1
1
1nF
2nF
2nF
1
1
1nF
2nF
R
L
A
AO
B
BO
For easy application engineering there is a demo board available. Please call your representative for
details.
For driving heavy loads, the line drivers may be used in parallel.
*Optolab Microsystems GmbH keeps the right to change and update this specification at any time without giving notice.
For Stateside information contact...
Quantum Devices, Inc., 112 Orbison St., PO Box 100, Barneveld, WI, 53507
G
Tele: (608) 924-3000
G
Fax: (608) 924-3007
G
URL: www.quantumdev.com
G
Email: qdisales@quantumdev.com
RL
120
350
700
VCCD
5 V
12 V
24 V
Parameter
R
L
Condition
V
CCD
I
LOAD
225
4.5 V
20 mA
1 k
30 V
30 mA
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