75232-P20-R 데이터 시트보기 (PDF) - Unisonic Technologies

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75232-P20-R

MULTIPLE RS-232 DRIVERS AND RECEIVERS

Unisonic Technologies 

75232

LINEAR INTEGRATED CIRCUIT

„ APPLICATION INFORMATION

Power-Supply protection to meet Power-Off fault conditions of TIA/EIA-232-F

Diodes placed in series with the VDD and VSS leads protect the device in the fault condition in which the

device outputs are shorted to ±15V and the power supplies are at low and provide low-impedance paths to

ground.

VDD

Output

VDD

±15V

UTC 75232

UTC 75232

VSS

VSS

Typical Connection

“*”: Refer Figure 10 to select the correct values for the loading capacitors (C1, C2, and C3), which are required to

meet the RS-232 maximum slew-rate requirement of 30V/μs. The value of the loading capacitors required

depends upon the line length and desired slew rate, but typically is 330 pF.

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

7 of 10

QW-R113-005,D

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