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參數(shù)資料
| 型號： | UTC75323 |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | LINEAR INTEGRATED CIRCUIT |
| 中文描述： | 線性集成電路 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 177K |
| 代理商： | UTC75323 |
UTC 75323
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
9
QW-R113-007,A
APPLICATION INFORMATION
Diodes placed in series with the V
DD
and Vss leads protect the UTC GD75323 in the fault condition in which the
device output are shorted to V
DD
or Vss, and the Power supplies are at low and provide low-impedance paths to
ground(see Figure 15)
75323
75323
V
DD
Output
±
15V
Vss
V
DD
Vss
Figure 7. Power-Supply Protection to Meet Power-Off Fault Condition of TIA/EIA-232-F
10
9
8
7
6
5
4
3
2
1
5V
11
12
13
14
15
16
17
18
19
20
43
37
40
13
36
11
41
42
RI
DTR
CTS
TX
RTS
RX
DSR
DCD
12V
RI
DTR
CTS
RTS
DSR
DCD
SO
SI
*See Figure10 to select the correct values for the loading capacitors(C1,C2,C3,C4 and C5),which may be required
to meet the RS-232 maximum slew-rate requirement of 30V/us.The value of the loading capacitors res required
depends upon the line length and desired slew rate,but is typically 330pF.
NOTE C:To use the receivers only,V
DD
and Vss both must be powered or tied to ground.
Figure 8. Typical Connection
-12V
C5*
C4*
C3*
C2*
C1*
1
6
9
5
GND
5DA
3RY
4DA
2RY
1RY
3DA
2DA
1DA
Vcc
Vss
5DY
3RA
4DY
2RA
1RA
3DY
2DY
1DY
V
DD
UTC
75323
TL16C450
ACE
TIA/EIA-232-F
DB9S
CONNECTOR
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