SP320 Datasheet, PDF (3/12 Pages) Sipex Corporation – Complete +5V-Only V.35 Interface with RS-232 V.28 Control Lines

T_MIN to T_MAX and Vcc = 5V +/-5% unless otherwise noted.
PARAMETER
MIN. TYP. MAX.
RS-232 DRIVER
TTL Input Level V_IL
0.8
TTL Input Level V_IH
2.0
Voltage Outputs
High Level Output
+5.0
+15.0
Low Level Output
-15.0
-5.0
Open Circuit Voltage
-15.0
+15.0
Short Circuit Current
-100
+100
Power Off Impedance
300
AC Characteristics
Slew Rate
30
Maximum Transmission Rate 120
Transition Time
Propagation Delay t_PHL
Propagation Delay t_PLH
RS-232 RECEIVER
TTL Output level Low V_OL
TTL Output level High V_OH
2.4
Receiver Input
Input Voltage Range
-15
High Threshold
Low Threshold
0.8
Hysteresis
0.2
Receiver Input Circuit Bias
Input Impedance
3
AC Characteristics
Maximum Transmission Rate 120
Propagation Delay t_PHL
Propagation Delay t_PLH
Power Requirements
No Load Vcc Supply Current
Full Load Vcc Supply Current
1.56
2
8
2
8
0.4
+15
1.7
3.0
1.2
0.5
1.0
+2.0V
5
7
0.1
1
0.1
1
35
70
60
Shutdown Current
1.5
ELECTRICAL CHARACTERISTICS
UNITS CONDITIONS
Volts
Volts
Volts
Volts
Volts
mA
Ohms
R_L = 3kΩ to GND
R_L = 3kΩ to GND
R_L = ∞
R_L = GND
Vcc = 0V: V_OUT = +/-2V
V/µs
kbps
µs
µs
µs
R_L = 3kΩ, C_L = 50pF; From +3V to
-3V or -3V to +3V, T_A = 25°C,
Vcc = +5V
R_L = 3kΩ, C_L = 2500pF
Rise/fall time between +/-3V
R_L = 3kΩ, C_L = 2500pF
R_L = 3kΩ, C_L = 2500pF; from 1.5V of
T_IN to 50% of V_OUT
R_L = 3kΩ, C_L = 2500pF; from 1.5V of
T_IN to 50% of V_OUT
Volts
Volts
Volts
Volts
Volts
Volts
Volts
kOhms
Vcc = 5V; T_A = 25°C
V_IN = +/-15V
kbps
µs
µs
Measured from 50% of R_IN to 1.5V
of R_OUT
Measured from 50% of R_IN to 1.5V
of R_OUT
mA No Load; Vcc = 5.0V; T_A = 25°C
mA RS-232 Drivers R_L = 3kΩ to GND;
DC Input
V.35 Drivers R_L = 100Ω from A to B;
DC input
mA TS000 = ENV35 = 0V
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP320_100_092208