Datasheet

MAX3314
460kbps, 1µA, RS-232-Compatible Transceiver
_______________________________________________________________________________________ 3
TIMING CHARACTERISTICS
(V
CC
= +5V, V- = -5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Maximum Data Rate R
L
= 3kΩ, C
L
=1000pf, transmitter switching 460 kbps
t
PLH
Receiver input to receiver output,
C
L
= 150pF
0.15
Receiver Propagation Delay
t
PHL
Receiver input to receiver output,
C
L
= 150pF
0.15
µs
Transmitter Skew 100 ns
Receiver Skew 50 ns
Transition Region Slew Rate
R
L
= 3kΩ to 7kΩ, C
L
= 150pF to 1000pF,
measured from +3V to -3V or from -3V to +3V
8 V/µs
Typical Operating Characteristics
(V
CC
= +5V, V- = -5V, 250kbps data rate, transmitter loaded with 3kΩ and C
L
, T
A
= +25°C, unless otherwise noted.)
0
2
1
5
4
3
8
7
6
9
0 1000500 1500 2000 2500 3000
SLEW RATE vs. LOAD CAPACITANCE
MAX3314-01
LOAD CAPACITANCE (pF)
SLEW RATE (V/us)
SLEW+
SLEW-
-6
-3
-4
-5
1
-1
0
-2
5
3
4
2
6
0 1000500 1500 2000 2500 3000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3314-02
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
20kbps/120kbps
460kbps/250kbps
460kbps/250kbps
20kbps/120kbps
0
1.5
1.0
0.5
3.0
2.5
2.0
5.0
4.0
4.5
3.5
5.5
0 1000500 1500 2000 2500 3000
SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3314-03
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
120kbps
20kbps
250kbps
460kbps
Pin Description
PIN NAME FUNCTION
1V
CC
± 5% E xter nal P ow er S up p l y. D ecoup l e w i th a 0.1µF cap aci tor to g r ound .
2 SHDN Shutdown Active Low. 0 = OFF, 1 = ON.
3 ROUT TTL/CMOS Receiver Output
4 TIN TTL/CMOS Transmitter Input
5 TOUT RS-232-Compatible Transmitter Output
6 RIN RS-232-Compatible Receiver Input
7V-±5% E xter nal P ow er S up p l y. D ecoup l e w i th a 0.1µF cap aci tor to g r ound .
8 GND Ground