Datasheet SP483, SP485 (MaxLinear) - 2
| 制造商 | MaxLinear |
| 描述 | Low Power Half-Duplex RS-485 Transceivers |
| 页数 / 页 | 12 / 2 — ABSOLUTE MAXIMUM RATINGS. ELECTRICAL CHARACTERISTICS. PARAMETERS. MIN. … |
| 文件格式/大小 | PDF / 526 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. ELECTRICAL CHARACTERISTICS. PARAMETERS. MIN. TYP. MAX. UNITS CONDITIONS
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ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those Outputs indicated in the operation sections of the specifications Logic...-0.3V to (Vcc + 0.5V) below is not implied. Exposure to absolute maximum Drivers...+/-15V rating conditions for extended periods of time may Receivers..-0.3V to (Vcc + 0.5V) affect reliability. Receiver Output Current...+/-95mA V ...+7V Storage Temperature..-65˚C to +150˚C CC Input Voltages Power Dissipation Logic...-0.3V to (Vcc + 0.5V) 8-pin NSOIC...500mW Drivers..-0.3V to (Vcc + 0.5V) Receivers...+/-15V
ELECTRICAL CHARACTERISTICS
T to T and V = 5V +/-5% unless otherwise noted. MIN MAX CC
PARAMETERS MIN. TYP. MAX. UNITS CONDITIONS SP483/SP485 DRIVER DC Characteristics
Differential Output Voltage Vcc Volts Unloaded; R = ∞ ; see figure 1 Differential Output Voltage 2 Vcc Volts With Load; R = 50Ω (RS-422); see figure 1 Differential Output Voltage 1.5 Vcc Volts With Load; R = 27Ω (RS-485); see figure 1 Change in Magnitude of Driver 0.2 Volts R = 27Ω or R = 50Ω; see figure 1 Differential Output Voltage for Complimentary states Driver Common Mode Output 3 Volts R = 27Ω or R = 50Ω; see figure 1 Voltage Input High Voltage 2.0 Volts Applies to DE, DI, RE Input Low Voltage 0.8 Volts Applies to DE, DI, RE Input Current +/-10 µA Applies to DE, DI, RE Driver Short Circuit Current, 250 mA -7V ≤ V ≤ +12V O V = HIGH OUT Driver Short Circuit Current, 250 mA -7V ≤ V ≤ +12V O V = LOW OUT
SP485 DRIVER AC Characteristics
Maximum Data Rate 5 Mbps RE = 5V, DE = 5V Driver Input to Output, t 30 60 ns Figures 3 and 5, R = 54Ω, PLH DIFF C = C = 100pF L1 L2 Driver Input to Output, t 30 60 ns Figures 3 and 5, R = 54Ω, PHL DIFF C = C = 100pF L1 L2 Driver Skew 5 10 ns Figures 3 and 5, t = |t - t | SKEW DPHL DPLH Driver Rise or Fall Time 15 40 ns From 10%-90%; R = 54Ω DIFF C = C = 100pF; see figures 3 L1 L2 and 5 236DSR00 2 Rev. 1.0.3
These are stress ratings only and functional operation of the device at these ratings or any other above those Outputs indicated in the operation sections of the specifications Logic...-0.3V to (Vcc + 0.5V) below is not implied. Exposure to absolute maximum Drivers...+/-15V rating conditions for extended periods of time may Receivers..-0.3V to (Vcc + 0.5V) affect reliability. Receiver Output Current...+/-95mA V ...+7V Storage Temperature..-65˚C to +150˚C CC Input Voltages Power Dissipation Logic...-0.3V to (Vcc + 0.5V) 8-pin NSOIC...500mW Drivers..-0.3V to (Vcc + 0.5V) Receivers...+/-15V
ELECTRICAL CHARACTERISTICS
T to T and V = 5V +/-5% unless otherwise noted. MIN MAX CC
PARAMETERS MIN. TYP. MAX. UNITS CONDITIONS SP483/SP485 DRIVER DC Characteristics
Differential Output Voltage Vcc Volts Unloaded; R = ∞ ; see figure 1 Differential Output Voltage 2 Vcc Volts With Load; R = 50Ω (RS-422); see figure 1 Differential Output Voltage 1.5 Vcc Volts With Load; R = 27Ω (RS-485); see figure 1 Change in Magnitude of Driver 0.2 Volts R = 27Ω or R = 50Ω; see figure 1 Differential Output Voltage for Complimentary states Driver Common Mode Output 3 Volts R = 27Ω or R = 50Ω; see figure 1 Voltage Input High Voltage 2.0 Volts Applies to DE, DI, RE Input Low Voltage 0.8 Volts Applies to DE, DI, RE Input Current +/-10 µA Applies to DE, DI, RE Driver Short Circuit Current, 250 mA -7V ≤ V ≤ +12V O V = HIGH OUT Driver Short Circuit Current, 250 mA -7V ≤ V ≤ +12V O V = LOW OUT
SP485 DRIVER AC Characteristics
Maximum Data Rate 5 Mbps RE = 5V, DE = 5V Driver Input to Output, t 30 60 ns Figures 3 and 5, R = 54Ω, PLH DIFF C = C = 100pF L1 L2 Driver Input to Output, t 30 60 ns Figures 3 and 5, R = 54Ω, PHL DIFF C = C = 100pF L1 L2 Driver Skew 5 10 ns Figures 3 and 5, t = |t - t | SKEW DPHL DPLH Driver Rise or Fall Time 15 40 ns From 10%-90%; R = 54Ω DIFF C = C = 100pF; see figures 3 L1 L2 and 5 236DSR00 2 Rev. 1.0.3