SP332
Absolute Maximum Ratings
These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated
in the operation sections to the specifications below is not
implied. Exposure to absolute maximum rating conditions
for extended periods of time may affect reliability.
VCC................................................................................... 7V
Input Voltages
Logic......................... -0.5V to (VCC + 0.5V)
Drivers...................... -0.5V to (VCC + 0.5V)
Receivers.........................±30V @ ≤100mA
Driver Outputs.............................................................. ±15V
Maximum Data Rate................................................ 8Mbps(1)
Storage Temperature................................... -65°C to 150°C
Power Dissipation
28-pin WSOIC.............................. 1000mW
Power Derating, øJA
28-pin WSOIC................................ 40°C/W
Electrical Characteristics
Limits are specified at TA = 25°C and VCC = 5.0V unless otherwise noted.
Parameters
Min. Typ. Max. Units
Conditions
RS-485 Driver DC Characteristics
Differential output voltage
Differential output voltage
Differential output voltage
Change in magnitude of driver differential
output voltage for complementary states
Driver common-mode output voltage
Input high voltage
Input low voltage
Input current
Pull-up current
Pull-down current
Driver short circuit current VOUT = HIGH
Driver short circuit current VOUT = LOW
RS-485 Driver AC Characteristics
2.0
1.5
2.0
35
35
Vcc Volts Unloaded; R = ∞Ω; See Figure 1
5.0 Volts With load; R = 50Ω (RS-422); See Figure 1
5.0 Volts With load; R = 27Ω (RS-485); See Figure 1
0.2 Volts R = 27Ω or R = 50Ω; See Figure 1
3 Volts R = 27Ω or R = 50Ω; See Figure 1
Volts Applies to transmitter inputs, SEL A, SEL B, SD and LB
0.8 Volts Applies to transmitter inputs, SEL A, SEL B, SD and LB
±10 µA Applies to transmitter inputs, SEL A, SEL B, SD and LB
1.5 µA
3.0 µA
250 mA -7V ≤ VO ≤ 10V
250 mA -7V ≤ VO ≤ 10V
Driver data rate
Driver data rate
Driver input to output tPLH
Driver input to output tPHL
Driver skew
Driver rise or fall time
10 Mbps
8 Mbps TA = 85°C(1)
70 180 ns RDIFF = 54Ω, CL1 = CL2 = 100pF; see Figures 3 and 5
70 180 ns RDIFF = 54Ω, CL1 = CL2 = 100pF; see Figures 3 and 5
5 10 ns From output to output; see Figures 3 and 5
3
15
40
ns
From 10% to 90%; RDIFF = 54Ω, CL1 = CL2 = 100pF;
see Figures 3 and 5
REV 1.0.1
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