SPECIFICATIONS
V
CC
= +3.3V
±
10%; cap on (V
+
) and (V
-
) = 1.0µF, C1 = C2 = 0.1µF; 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; T
A
= +25°C
EIA-232 OUTPUT
Output Voltage Swing
MIN.
TYP.
MAX.
UNITS
CONDITIONS
0.8
2.0
15
120
200
Volts
Volts
µA
kbps
T
IN
; ON/OFF
T
IN
; ON/OFF
T
IN
= 0V
C
L
= 2500pF, R
L
= 3kΩ
0.4
3.5
0.05
±5
±9
±18
+15
1.2
1.7
0.5
5
1.5
30
10
400
250
10
25
1
15
10
2.4
1.0
7
±10
Volts
Volts
µA
Volts
Ω
mA
Volts
Volts
Volts
Volts
kΩ
µs
V/µs
V/µs
ns
ns
mA
mA
µA
I
OUT
= 3.2mA; Vcc = +5V
I
OUT
= -1.0mA
EN = V
CC
, 0V
≤
V
OUT
≤
V
CC
All transmitter outputs loaded
with 3kΩ to ground
V
CC
= 0V; V
OUT
=
±2V
Infinite duration
Power-Off Output Resistance 300
Output Short Circuit Current
EIA-232 INPUT
Voltage Range
-15
Voltage Threshold
Low
0.8
High
Hysteresis
0.2
Resistance
3
DYNAMIC CHARACTERISTICS
Propagation Delay, RS-232 to TTL
Instantaneous Slew Rate
Transition Region Slew Rate
Output Enable Time
Output Disable Time
POWER REQUIREMENTS
V
CC
Power Supply Current
Shutdown Supply Current
V
CC
= 5V, T
A
= +25°C
V
CC
= 5V, T
A
= +25°C
V
CC
= 5V, T
A
= +25°C
V
IN
= 15V to –15V
C
L
= 10pF, R
L
= 3kΩ - 7kΩ;
T
A
=+25°C
C
L
= 2500pF, R
L
= 3kΩ;
measured from +3V to -3V
or -3V to +3V
No load, T
A
= +25°C; V
CC
= 5V
All transmitters R
L
= 3kΩ;
T
A
= +25°C
V
CC
= 5V, T
A
= +25°C
PERFORMANCE CURVES
-11
-10
-9
12
30
8.4
8.2
10
V
CC
= 6V
V
CC
= 5V
V
CC
= 4V
6
25
20
V
CC
= 6V
V
OH
(Volts)
8.0
7.8
7.6
7.4
7.2
7.0
Load current = 0mA
T
A
= 25°C
V– Voltage (Volts)
V+ (Volts)
-8
-7
-6
-5
-4
-3
V
CC
= 6V
V
CC
= 5V
8
I
CC
(mA)
15
V
CC
= 5V
10
V
CC
= 4V
5
V
CC
= 3V
4
V
CC
= 4V
2
0
0
2
4
6
8
10
12
14
0
5
10
15
20
25
30
35
40
0
-55
-40
0
25
70
85
125
6.8
4.5
4.75
5.0
V
CC
(Volts)
5.25
5.5
Load Current (mA)
Load Current (mA)
Temperature (°C)
Rev. 10/22/01
SP385E Enhanced +3V to +5V RS-232 Line Driver/Receiver
© Copyright 2001 Sipex Corporation
3
SIPEX [ SIPEX CORPORATION ]
