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LTC485IS8 数据表(PDF) 5 Page - Linear Technology |
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LTC485IS8 数据表(HTML) 5 Page - Linear Technology |
5 / 12 page 5 LTC485 CC HARA TERISTICS A TYPICALPERFOR CE LTC485 Transmitting INPUTS OUTPUTS RE DE DI B A X 1 1 No Fault 0 1 X 1 0 No Fault 1 0 X0 X X Z Z X 1 X Fault Z Z LINE CONDITION LTC485 Receiving INPUTS OUTPUTS RE DE A – B R 00 ≥0.2V 1 00 ≤–0.2V 0 0 0 Inputs Open 1 10 X Z PIN # NAME DESCRIPTION 1 RO Receiver Output. If the receiver output is enabled (RE low), then if A > B by 200mV, RO will be high. If A < B by 200mV, then RO will be low. 2 RE Receiver Output Enable. A low enables the receiver output, RO. A high input forces the receiver output into a high impedance state. 3 DE Driver Outputs Enable. A high on DE enables the driver output. A and B, and the chip will function as a line driver. A low input will force the driver outputs into a high impedance state and the chip will function as a line receiver. 4 DI Driver Input. If the driver outputs are enabled (DE high), then a low on DI forces the outputs A low and B high. A high on DI with the driver outputs enabled will force A high and B low. 5 GND Ground Connection. 6 A Driver Output/Receiver Input. 7 B Driver Output/Receiver Input. 8VCC Positive Supply; 4.75 < VCC < 5.25 PI FU CTIO S FU CTIO TABLES Receiver Output High Voltage vs Output Current Receiver Output Low Voltage vs Output Current OUTPUT VOLTAGE (V) 0 0 4 12 16 20 1.0 36 LTC485 • TPC01 8 0.5 2.0 24 28 32 1.5 TA = 25°C OUTPUT VOLTAGE (V) 5 0 –2 –6 –8 –10 3 –18 LTC485 • TPC02 –4 4 –12 –14 –16 2 TA = 25°C TEMPERATURE (°C) –50 3.0 3.2 3.6 3.8 4.0 75 4.8 LTC485 • TPC03 3.4 0 125 4.2 4.4 4.6 –25 25 50 100 I = 8mA Receiver Output High Voltage vs Temperature |
类似零件编号 - LTC485IS8 |
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类似说明 - LTC485IS8 |
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