SP503 Datasheet, PDF (2/29 Pages) Sipex Corporation – Multiprotocol Transceiver

ELECTRICAL CHARACTERISTICS
T
MIN
to
T
MAX
@
Vcc
=
+5V
±5%
unless
otherwise
noted.
MIN.
TYP.
LOGIC INPUTS
V_IL
V_IH
LOGIC OUTPUTS
V_OL
V_OH
RS-485 DRIVER
TTL Input Levels
V_IL
V_IH
Outputs
HIGH Level Output
LOW level Output
Differential Output
Balance
Open Circuit Voltage
Output Current
Short Circuit Current
Transition Time
Maximum Transmission Rate
Propagation Delay
t_PHL
t_PLH
RS-485 RECEIVER
TTL Output Levels
V_OL
V_OH
Input
HIGH Threshold
LOW Threshold
Common Mode Range
HIGH Input Current
LOW Input Current
Receiver Sensitivity
2.0
2.4
2.0
–0.3
±1.5
28.0
5
2.4
+0.2
–7.0
–7.0
Input Impedance
Maximum Transmission Rate
Propagation Delay
t_PHL
t_PLH
V.35 DRIVER
TTL Input Levels
V_IL
V_IH
Outputs
Differential Output
12
5
2.0
±0.44
Output Impedance
50
Short Circuit Impedance
135
150
Transition Time
Maximum Transmission Rate 5
Propagation Delay
t_PHL
t_PLH
MAX.
0.8
0.4
0.8
+6.0
±5.0
±0.2
±6.0
±250
120
200
200
0.4
+12.0
–0.2
+12.0
±0.2
200
200
0.8
±0.66
150
165
40
200
200
UNITS
Volts
Volts
Volts
Volts
CONDITIONS
I_OUT= -3.2mA
I_OUT= 1.0mA
Volts
Volts
Volts
Volts
Volts
Volts
Volts
mA
mA
ns
Mbps
ns
ns
R_L=54Ω, C_L=50pF
|V_T| - |V_T|
R_L=54Ω
Terminated in –7V to +12V
Rise/fall time, 10%–90%
R_L=54Ω
R_L=54Ω
R_L=54Ω
Volts
Volts
Volts
Volts
Volts
Volts
kΩ
Mbps
ns
ns
(a)-(b)
(a)-(b)
Refer to graph
Refer to graph
Over –7V to +12V common
mode range
Volts
Volts
Volts
Ω
Ω
ns
Mbps
ns
ns
With termination network in
Figure 6; R_L=100Ω
With termination network in
Figure 6.
With termination network
in Figure 6.
R_L=100Ω
R_L=100Ω
R_L=100Ω
Date: 7/29/04
SP503 Multiprotocol Transceiver
2
© Copyright 2004 Sipex Corporation