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LTC1535CSW 数据表(PDF) 3 Page - Linear Technology |
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LTC1535CSW 数据表(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LTC1535 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. 0°C ≤ TA ≤ 70°C, VCC = 5V, VCC2 = 5V unless otherwise noted. IOZ Driver Output Leakage 1 µA VOH2 RO2 Output High Voltage IRO2 = – 4mA, VCC = 4.5V q 3.7 3.9 V IRO2 = –10mA, VCC = 4.5V 3.4 V VOL2 RO2 Output Low Voltage IRO2 = 4mA, VCC = 4.5V q 0.4 0.8 V IRO2 = 10mA, VCC = 4.5V 0.9 V fSW DC Converter Frequency q 290 420 520 kHz RSWH DC Converter R High VCC = 4.5V q 46 Ω RSWL DC Converter R Low VCC = 4.5V q 2.5 5 Ω IREL RE Output Low Current RE Sink Current, Fault = 0 q –40 – 50 –80 µA IREH RE Output High Current RE Source Current, Fault = 1 q 80 100 130 µA VUVL Undervoltage Low Threshold RE Fault = 1, Note 5 q 3.90 4.00 4.25 V VUVH Undervoltage High Threshold RE Fault = 0, Note 5 q 4.05 4.20 4.40 V VISO Isolation Voltage 1 Minute, Note 6 2500 VRMS 1 Second 3000 VRMS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tSJ Data Sample Jitter Figure 8, Note 7 q 250 285 ns fMAX Max Baud Rate Jitter = 10% Max, SLO = 1, Note 8 q 350 kBd tPLH Driver Input to Output DE = 1, SLO = 1, Figure 3, Figure 5 q 600 855 ns DE = 1, SLO = 0, Figure 3, Figure 5 q 1300 1560 ns tPHL Driver Input to Output DE = 1, SLO = 1, Figure 3, Figure 5 q 600 855 ns DE = 1, SLO = 0, Figure 3, Figure 5 q 1300 1560 ns tr, tf Driver Rise or Fall Time DE = 1, SLO = 1, Figure 3, Figure 5 q 20 50 ns DE = 1, SLO = 0 q 150 500 1000 ns tZH Driver Enable to Output DI = 1, SLO = 1, Figure 4, Figure 6 q 1000 1400 ns tZL Driver Enable to Output DI = 0, SLO = 1, Figure 4, Figure 6 q 1000 1400 ns tLZ Driver Disable to Output DI = 0, SLO = 1, Figure 4, Figure 6 q 700 1000 ns tHZ Driver Disable to Output DI = 1, SLO = 1, Figure 4, Figure 6 q 700 1000 ns tPLH Receiver Input to RO RE = 0, Figure 2, Figure 7 q 600 855 ns tPHL Receiver Input to RO RE = 0, Figure 2, Figure 7 q 600 855 ns tPLH Receiver Input to RO2 RE = 0, Figure 2, Figure 7 30 ns tPHL Receiver Input to RO2 RE = 0, Figure 2, Figure 7 30 ns tr, tf Receiver Rise or Fall Time RE = 0, Figure 2, Figure 7 20 ns tLZ Receiver Disable to Output Figure 2, Figure 8 30 ns tHZ Receiver Disable to Output Figure 2, Figure 8 30 ns tSTART Initial Start-Up Time Note 9 1200 ns tTOF Data Time-Out Fault Note 9 1200 ns The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. 0°C ≤ TA ≤ 70°C, VCC = 5V, VCC2 = 5V, R = 27Ω (RS485) unless otherwise noted. SWITCHI G CHARACTERISTICS ELECTRICAL CHARACTERISTICS |
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