Datasheet SP483, SP485 (MaxLinear) - 5
| Manufacturer | MaxLinear |
| Description | Low Power Half-Duplex RS-485 Transceivers |
| Pages / Page | 12 / 5 — ELECTRICAL CHARACTERISTICS. PARAMETERS. MIN. TYP. MAX. UNITS CONDITIONS. … |
| File Format / Size | PDF / 526 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. PARAMETERS. MIN. TYP. MAX. UNITS CONDITIONS. SP483 DRIVER AC Characteristics
Model Line for this Datasheet
Text Version of Document
ELECTRICAL CHARACTERISTICS
T to T and V = 5V +/-5% unless otherwise noted. MIN MAX CC
PARAMETERS MIN. TYP. MAX. UNITS CONDITIONS SP483 DRIVER AC Characteristics
Maximum Date Rate 250 kbps Driver Input to Output, t 250 800 2000 ns t ; R = 54Ω, C = C = 100pF, PLH PLH DIFF L1 L2 see figures 3 and 5 Driver Input to Output, t 250 800 2000 ns t ; R = 54Ω, C = C = 100pF, PHL PHL DIFF L1 L2 see figures 3 and 5 Driver Skew 100 800 ns see figures 3 and 5, t = |t - t | SKEW DPHL DPLH Driver Rise or Fall Time 250 2000 ns From 10%-90%; R = 54Ω DIFF C = C = 100pF; see Figures 3 L1 L2 and 5 Driver Enable to Output High 250 2000 ns C = 100pF, see figures 4 and 6, L S closed 2 Driver Enable to Output Low 250 2000 ns C = 100pF, see figures 4 and 6, L S closed 1 Driver Disable Time from High 300 3000 ns C = 15pF, see figures 4 and 6, L S closed 2 Driver Disable Time from Low 300 3000 ns C = 15pF, see figures 4 and 6, L S closed 1
SP483 RECEIVER AC Characteristics
Maximum Data Rate 250 kbps Receiver Input to Output 250 2000 ns t , t ; Figures 3 and 7: PLH PHL R = 54Ω, C = C = 100pF DIFF L1 L2 Differential Receiver Skew 100 ns R = 54Ω, C = C = 100pF, DIFF L1 L2 |t - t | see Figures 3 and 7 PHL PLH Receiver Enable to Output Low 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 1 Receiver Enable to Output High 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 2 Receiver Disable from LOW 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 1 Receiver Disable from High 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 2
SP483 Shutdown Timing
Time to Shutdown 50 200 600 ns RE = 5V, DE = 0V Driver Enable from Shutdown 2000 ns C = 100pF; See Figures 4 and 6; L to Output High S Closed 2 Driver Enable from Shutdown 2000 ns C = 100pF; See Figures 4 and 6; L to Output Low S Closed 1 Receiver Enable from 2500 ns C = 15pF; See Figures 4 and 6; L Shutdown to Output High S Closed 2 Receiver Enable from 2500 ns C = 15pF; See Figures 4 and 6; L Shutdown to Output Low S Closed 1 236DSR00 5 Rev. 1.0.3
T to T and V = 5V +/-5% unless otherwise noted. MIN MAX CC
PARAMETERS MIN. TYP. MAX. UNITS CONDITIONS SP483 DRIVER AC Characteristics
Maximum Date Rate 250 kbps Driver Input to Output, t 250 800 2000 ns t ; R = 54Ω, C = C = 100pF, PLH PLH DIFF L1 L2 see figures 3 and 5 Driver Input to Output, t 250 800 2000 ns t ; R = 54Ω, C = C = 100pF, PHL PHL DIFF L1 L2 see figures 3 and 5 Driver Skew 100 800 ns see figures 3 and 5, t = |t - t | SKEW DPHL DPLH Driver Rise or Fall Time 250 2000 ns From 10%-90%; R = 54Ω DIFF C = C = 100pF; see Figures 3 L1 L2 and 5 Driver Enable to Output High 250 2000 ns C = 100pF, see figures 4 and 6, L S closed 2 Driver Enable to Output Low 250 2000 ns C = 100pF, see figures 4 and 6, L S closed 1 Driver Disable Time from High 300 3000 ns C = 15pF, see figures 4 and 6, L S closed 2 Driver Disable Time from Low 300 3000 ns C = 15pF, see figures 4 and 6, L S closed 1
SP483 RECEIVER AC Characteristics
Maximum Data Rate 250 kbps Receiver Input to Output 250 2000 ns t , t ; Figures 3 and 7: PLH PHL R = 54Ω, C = C = 100pF DIFF L1 L2 Differential Receiver Skew 100 ns R = 54Ω, C = C = 100pF, DIFF L1 L2 |t - t | see Figures 3 and 7 PHL PLH Receiver Enable to Output Low 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 1 Receiver Enable to Output High 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 2 Receiver Disable from LOW 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 1 Receiver Disable from High 20 50 ns C = 15pF, Figures 2 and 8; RL S Closed 2
SP483 Shutdown Timing
Time to Shutdown 50 200 600 ns RE = 5V, DE = 0V Driver Enable from Shutdown 2000 ns C = 100pF; See Figures 4 and 6; L to Output High S Closed 2 Driver Enable from Shutdown 2000 ns C = 100pF; See Figures 4 and 6; L to Output Low S Closed 1 Receiver Enable from 2500 ns C = 15pF; See Figures 4 and 6; L Shutdown to Output High S Closed 2 Receiver Enable from 2500 ns C = 15pF; See Figures 4 and 6; L Shutdown to Output Low S Closed 1 236DSR00 5 Rev. 1.0.3
