Datasheet

TRANSMITTER OUTPUT VOLTAGE (V
OH
)

vs. V
CC
POSITIVE SUPPLY VOLTAGE
V
OH
(V)
6.5
7.0
7.5
8.0
8.5
9.0
4.5
V
CC
(V)
MAX214-03
4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
1 TRANSMITTER LOADED
2 TRANSMITTERS LOADED
3 TRANSMITTERS LOADED
DATA RATE = 0kbps
TRANSMITTER OUTPUT VOLTAGE (V
OH
)
vs. LOAD CAPACITANCE
AT DIFFERENT DATA RATES
V
OH
(V)
6.0
0
LOAD CAPACITANCE (pF)
MAX214-02
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
1000 2000 3000 4000 5000 6000 7000
20kbps
64kbps
120kbps
TRANSMITTER OUTPUT VOLTAGE (V
OL
) 
vs. LOAD CAPACITANCE 
AT DIFFERENT DATA RATES
V
OL
(V)
-8.5
-8.0
-7.5
-7.0
-6.5
-6.0
0 1000 2000 3000 4000 5000 6000 7000
LOAD CAPACITANCE (pF)
-5.5
MAX214-01
120kbps
64kbps
20kbps
MAX214
Programmable DTE/DCE,
+5V RS-232 Transceiver
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V
CC
= 5V, C1 to C4 = 1µF, all transmitters loaded with 3kΩ in parallel with 2.5nF, T
A
= +25°C, unless otherwise noted.)
TRANSMITTER OUTPUT VOLTAGE (V
OL)
vs. POSITIVE SUPPLY VOLTAGE
V
OL
(V)
-9.5
-9.0
-8.5
-8.0
-7.5
-7.0
4.5
V
CC
(V)
MAX214-04
4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
3 TRANSMITTERS LOADED
2 TRANSMITTERS LOADED
1 TRANSMITTER LOADED
DATA RATE = 0kbps
TRANSMITTER OUTPUT VOLTAGES
vs. V+, V- LOAD CURRENT
T
OUT
+, T
OUT-
(V)
-10
0
LOAD CURRENT (mA)
MAX214-05
20 40 60 80
-8
-6
-4
-2
0
2
4
6
8
10
V+ AND V-
EQUALLY
LOADED
V+ LOADED,
NO LOAD
ON V-
V- LOADED,
NO LOAD
ON V+
ALL TRANSMITTERS UNLOADED, 0kbps

SLEW RATE vs. LOAD CAPACITANCE
SLEW RATE (V/µs)
4
0
LOAD CAPACITANCE (pF)
MAX214-06
2000 4000 6000
6
8
10
12
14
16
18
20
SLEW+
3 TRANSMITTERS LOADED
SLEW-
3 TRANSMITTERS LOADED
SLEW+
1 TRANSMITTER LOADED
SLEW-
1 TRANSMITTER LOADED