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MAX3222E Datasheet(PDF) 5 Page - Maxim Integrated Products

Part No. MAX3222E
Description  ±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
Download  20 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3222E Datasheet(HTML) 5 Page - Maxim Integrated Products

 
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±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
_______________________________________________________________________________________
5
-6
-2
-4
2
0
4
6
-5
-3
1
-1
3
5
0
1000
1500
500
2000
2500
300
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
VOUT-
VOUT+
FOR DATA RATES UP TO 250kbps
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
Ω + CL
0
10
20
30
50
40
60
70
0
MAX3237E
SLEW RATE vs. LOAD CAPACITANCE
(MBAUD = VCC)
LOAD CAPACITANCE (pF)
500
1000
1500
2000
-SLEW, 1Mbps
+SLEW, 1Mbps
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3k
Ω + CL LOAD EACH OUTPUT
-SLEW, 2Mbps
+SLEW, 2Mbps
-7.5
-5.0
-2.5
0
2.5
5.0
7.5
0
MAX3237E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE (MBAUD = VCC)
LOAD CAPACITANCE (pF)
500
1000
1500
2000
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3k
Ω + CL LOAD, EACH OUTPUT
2Mbps
1.5Mbps
1Mbps
2Mbps
1Mbps
1.5Mbps
0
2
4
6
8
10
12
0
MAX3237E
SLEW RATE vs. LOAD CAPACITANCE
(MBAUD = GND)
LOAD CAPACITANCE (pF)
1000
1500
500
2000
2500
3000
SR+
SR-
1 TRANSMITTER AT 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
Ω + CL
0
10
20
30
40
50
0
MAX3237E
SUPPLY CURRENT vs. LOAD CAPACITANCE
WHEN TRANSMITTING DATA (MBAUD = GND)
LOAD CAPACITANCE (pF)
1000
1500
500
2000
2500
3000
250kbps
120kbps
20kbps
1 TRANSMITTER AT 20kbps, 120kbps, 250kbps
4 TRANSMITTERS AT 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
Ω + CL
0
20
60
40
80
100
0
MAX3237E
TRANSMITTER SKEW vs. LOAD CAPACITANCE
(MBAUD = VCC)
LOAD CAPACITANCE (pF)
1000
1500
500
2000
|tPLH - tPHL|
1 TRANSMITTER AT 500kbps
4 TRANSMITTERS AT 1/16 DATA RATE
ALL TRANSMITTERS LOADED
WITH 3k
Ω + CL
Typical Operating Characteristics (continued)
(VCC = +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3k
Ω and CL, TA = +25°C, unless otherwise noted.)
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
0
1000
2000
3000
4000
5000
MAX3241E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
1 TRANSMITTER AT 250kbps
2 TRANSMITTERS AT 15.6kbps
VOUT+
VOUT-
0
30
20
10
40
50
60
0
2000
1000
3000
4000
5000
MAX3241E
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
250kbps
120kbps
20kbps
1 TRANSMITTER AT 250kbps
2 TRANSMITTERS AT 15.6kbps
0
4
2
8
6
12
10
14
0
1000
2000
3000
4000
5000
MAX3241E
SLEW RATE vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)


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