MAX214C Ver la hoja de datos (PDF) - Maxim Integrated
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MAX214C Datasheet PDF : 12 Pages
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Programmable DTE/DCE,
+5V RS-232 Transceiver
__________________________________________Typical Operating Characteristics
(VCC = 5V, C1 to C4 = 1µF, all transmitters loaded with 3kΩ in parallel with 2.5nF, TA = +25°C, unless otherwise noted.)
TRANSMITTER OUTPUT VOLTAGE (VOL)
vs. LOAD CAPACITANCE
AT DIFFERENT DATA RATES
-5.5
-6.0
120kbps
-6.5
-7.0
64kbps
-7.5
20kbps
-8.0
-8.5
0
1000 2000 3000 4000 5000 6000 7000
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (VOL)
vs. POSITIVE SUPPLY VOLTAGE
-7.0
3 TRANSMITTERS LOADED
2 TRANSMITTERS LOADED
-7.5
1 TRANSMITTER LOADED
-8.0
-8.5
-9.0
DATA RATE = 0kbps
-9.5
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
VCC (V)
TRANSMITTER OUTPUT VOLTAGE (VOH)
vs. LOAD CAPACITANCE
AT DIFFERENT DATA RATES
7.6
20kbps
7.4
7.2
64kbps
7.0
6.8
120kbps
6.6
6.4
6.2
6.0
0 1000 2000 3000 4000 5000 6000 7000
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGES
vs. V+, V- LOAD CURRENT
10
8
6
4
V+ AND V-
2 EQUALLY
0 LOADED
V- LOADED,
NO LOAD
ON V+
V+ LOADED,
NO LOAD
ON V-
-2
-4
ALL TRANSMITTERS UNLOADED, 0kbps
-6
-8
-10
0
20
40
60
80
LOAD CURRENT (mA)
TRANSMITTER OUTPUT VOLTAGE (VOH)
vs. VCC POSITIVE SUPPLY VOLTAGE
9.0
1 TRANSMITTER LOADED
8.5
2 TRANSMITTERS LOADED
3 TRANSMITTERS LOADED
8.0
7.5
7.0
DATA RATE = 0kbps
6.5
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
VCC (V)
SLEW RATE vs. LOAD CAPACITANCE
20
SLEW+
18
3 TRANSMITTERS LOADED
SLEW-
16
3 TRANSMITTERS LOADED
14
SLEW+
12
1 TRANSMITTER LOADED
10
8
SLEW-
6 1 TRANSMITTER LOADED
4
0
2000
4000
6000
LOAD CAPACITANCE (pF)
4 _______________________________________________________________________________________
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