ST490ABN 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

ST490ABN

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

STMicroelectronics 

Test circuit and typical characteristics

ST490AB

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

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