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SP385A Datasheet, PDF (3/9 Pages) Sipex Corporation – +3V to +5V RS-232 Line Driver/Receiver
SPECIFICATIONS
VCC=+5V±10%;
0.1µF
charge
pump
capacitors;
T
MIN
to
T
MAX
unless otherwise noted.
PARAMETERS
TTL INPUT
Logic Threshold
Low
High
Logic Pullup Current
Maximum Data Rate
TTL OUTPUT
TTL/CMOS Output
Voltage, Low
Voltage, High
Leakage Current; TA = +25°C
EIA-232 OUTPUT
Output Voltage Swing
MIN.
2.0
120
3.5
±5
TYP.
15
0.05
±9
MAX.
0.8
200
0.4
±10
Power-Off Output Resistance 300
Output Short Circuit Current
±18
EIA-232 INPUT
Voltage Range
Voltage Threshold
Low
High
Hysteresis
Resistance
-15
+15
0.8
1.2
1.7
2.4
0.2
0.5
1.0
3
5
7
DYNAMIC CHARACTERISTICS
Driver Propagation Delay
4.0
Receiver Propagation Delay
1.5
Instantaneous Slew Rate
30
Transition Region Slew Rate
10
Output Enable Time
Output Disable Time
POWER REQUIREMENTS
VCC Power Supply Current
Shutdown Supply Current
400
250
10
15
25
1
10
UNITS
CONDITIONS
Volts
Volts
µA
kbps
TIN ; ON/OFF
TIN ; ON/OFF
TIN = 0V
CL = 2500pF, RL= 3kΩ
Volts
Volts
µA
Volts
Ω
mA
Volts
Volts
Volts
Volts
kΩ
µs
µs
V/µs
V/µs
ns
ns
mA
mA
µA
IOUT = 3.2mA; Vcc = +5V
IOUT = -1.0mA
ON/OFF = O, 0V ≤ VOUT ≤ VCC
All transmitter outputs loaded
with 3kΩ to ground
VCC = 0V; VOUT = ±2V
Infinite duration
VCC = 5V, TA = +25°C
VCC = 5V, TA = +25°C
VCC = 5V, TA = +25°C
VIN = 15V to –15V
TTL to RS-232
RS-232 to TTL
CL = 10pF, RL= 3kΩ - 7kΩ;
TA =+25°C
CL = 2500pF, RL= 3kΩ;
measured from +3V to -3V
or -3V to +3V
No load, TA= +25°C; VCC = 5V
All transmitters RL = 3kΩ;
TA = +25°C
VCC = 5V, TA = +25°C
PERFORMANCE CURVES
-11
-10
-9
-8
-7
-6
-5
-4
-3
0
VCC = 6V
VCC = 5V
VCC = 4V
2 4 6 8 10 12 14
Load Current (mA)
12
10
VCC = 6V
8
VCC = 5V
VCC = 4V
6
4
2
0
0 5 10 15 20 25 30 35 40
Load Current (mA)
30
25
VCC = 6V
20
15
VCC = 5V
10
VCC = 4V
5
VCC = 3V
0
-55 -40 0 25 70 85 125
Temperature (°C)
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
6.8
4.5
Load current = 0mA
TA = 25°C
4.75
5.0
5.25
5.5
VCC (Volts)
SP385ADS/05
SP385A Line Driver/Receiver
3
© Copyright 2000 Sipex Corporation