MAX3232CSE-TG077 Maxim Integrated, MAX3232CSE-TG077 Datasheet - Page 5

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MAX3232CSE-TG077

Manufacturer Part Number
MAX3232CSE-TG077
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
MAX3222, MAX3232, MAX3237, MAX3241r
Datasheet

Specifications of MAX3232CSE-TG077

Data Rate
235 Kbps
Operating Supply Voltage
3 V to 5 V
Supply Current
1 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Drivers
2
Number Of I/os
8
Number Of Receivers
2
Propagation Delay Time Ns
0.3 us
Shutdown
No
(V
_____________________________Typical Operating Characteristics (continued)
Maxim Integrated
Transceivers Using Four 0.1µF External Capacitors
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
CC
-2.5
-5.0
-7.5
-2.5
-5.0
-7.5
7.5
5.0
2.5
7.5
5.0
2.5
70
60
50
40
30
20
10
0
0
= +3.3V, 235kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ, T
0
0
vs. LOAD CAPACITANCE (MBAUD = GND)
0
0
1 TRANSMITTER AT 240kbps
4 TRANSMITTERS AT 15kbps
3kΩ + C
V
1 TRANSMITTER AT 235kbps
2 TRANSMITTERS AT 30kbps
SLEW RATE vs. LOAD CAPACITANCE
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3kΩ + C
V
CC
CC
TRANSMITTER OUTPUT VOLTAGE
TRANSMITTER OUTPUT VOLTAGE
= 3.3V
= 3.3V
1000
1000
vs. LOAD CAPACITANCE
L
500
LOAD CAPACITANCE (pF)
L
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOADS
LOAD EACH OUTPUT
(MBAUD = V
2000
2000
MAX3237
MAX3237
MAX3241
1000
-SLEW, 1Mbps
+SLEW, 1Mbps
3000
3000
-SLEW, 2Mbps
+SLEW, 2Mbps
CC
MAX3222/MAX3232/MAX3237/MAX3241
)
1500
4000
4000
V
V
OUT
OUT
+
-
2000
5000
5000
-2.5
-5.0
-7.5
7.5
5.0
2.5
50
40
30
20
10
60
24
22
20
18
16
14
12
10
0
0
8
6
4
0
vs. LOAD CAPACITANCE (MBAUD = V
0
0
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3kΩ + C
V
LOAD CAPACITANCE (MBAUD = GND)
ALL OUTPUTS LOADED WITH 3kΩ +C
0.1µF CHARGE-PUMP CAPACITORS
FOR ALL DATA RATES UP TO 235kbps
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/16 DATA RATE
3kΩ + C
V
CC
TRANSMITTER OUTPUT VOLTAGE
CC
1000
= 3.3V
= 3.3V
1000
vs. LOAD CAPACITANCE
500
+SLEW
L
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
SUPPLY CURRENT vs.
L
LOAD CAPACITANCE (pF)
LOAD, EACH OUTPUT
-SLEW
LOADS
2Mbps
2000
SLEW RATE
2000
MAX3237
MAX3241
MAX3237
2Mbps
1000
240kbps
3000
3000
1500
4000
120kbps
4000
1.5Mbps
1.5Mbps
20kbps
1Mbps
1Mbps
L
CC
5000
2000
5000
)
A
= +25°C, unless otherwise noted.)
60
50
40
30
20
10
70
45
40
35
30
25
20
15
10
0
12
10
5
0
8
6
4
2
0
CAPACITANCE WHEN TRANSMITTING DATA
0
0
0
SLEW RATE vs. LOAD CAPACITANCE
1 TRANSMITTER AT 512kbps
4 TRANSMITTERS AT 32kbps
3kΩ + C
V
MBAUD = V
1 TRANSMITTER AT 240kbps
4 TRANSMITTERS AT 15kbps
3kΩ + C
V
CC
SKEW vs. LOAD CAPACITANCE
CC
SUPPLY CURRENT vs. LOAD
1000
= 3.3V
1000
500
= 3.3V
AVERAGE; 10 PARTS
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
L
L
LOADS
+SLEW
LOADS
CC
(MBAUD = GND)
(t
1000
2000
MAX3237
2000
PLH
MAX3241
MAX3237
MIN
-SLEW
- t
PHL
1500
3000
3000
)
MAX
235kbps
120kbps
20kbps
2000
4000
4000
2500
5000
5000
5

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