ST485BD 데이터 시트보기 (PDF) - STMicroelectronics

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ST485BD

Low power RS-485 / RS-422 transceiver

STMicroelectronics 

ST485

3

Maximum ratings

Maximum ratings

Table 4. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC Supply Voltage

VI

Control Input Voltage (RE, DE)

VDI Driver Input Voltage (DI)

VDO Driver Output Voltage (A, B)

VRI Receiver Input Voltage (A, B)

VRO Receiver Output Voltage (RO)

7

V

-0.5 to (VCC + 0.5)

V

-0.5 to (VCC + 0.5)

V

± 14

V

± 14

V

-0.5 to (VCC + 0.5)

V

Note:

Absolute maximum ratings are those values beyond which damage to the device may occur.

Functional operation under these condition is not implied. V+ and V- can have a maximum

magnitude of +7V, but their absolute addition can not exceed 13 V.

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