Part Number: ISO3082
In the test of ISO3082, we obverse both output A&B are driven to "low" at the 1st bit after enable driver.
If the device work properly, when D = '0'
But, from capture, when D = '0', after enable driver with D='1'
A='0', B='0' then turn to '1' after 0.8us.
Is this the correct behavior for ISO3082?
Schematic: There is a modification on board R36 = R42 = 680 Ohm.
Waveform: CH1: RS485_TX(D); CH2: RS485-(B); CH3: RS485+(A); CH4: S485_EN(DE)
Hi Zhou, Yes, this is expected. For ISO3082 the device would take typically 1.8us. Please refer to tpzh and tpzl parameters in section 6.11 of datasheet for additional details. Regards, Anand Reghunathan
In reply to Anand Reghunathan:
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