ST490 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST490

Low power high speed RS-485/RS-422 transceiver

STMicroelectronics 

Test circuit and typical characteristics

ST490A

Figure 6. Receiver output current vs. output Figure 7. Receiver output current vs. output

low voltage(output low)

high voltage (output high)

Figure 8.

Driver diff. output voltage vs

Figure 9.

common mode voltage (diff. output

low)

Driver diff. output voltage vs

common mode voltage (diff. output

high)

Figure 10. driver short circuit current vs line Figure 11. Receiver high level output voltage

voltage (output high)

vs. temperature

10/17

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