MAX3243EWI+ Maxim Integrated Products, MAX3243EWI+ Datasheet - Page 4

• Manufacturer Part Number: MAX3243EWI+
• Description: IC TXRX RS-232 W/SHTDWN 28-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3243EWI+

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
(V
4
__________________________________________Typical Operating Characteristics
-2.5
-5.0
-7.5
7.5
5.0
2.5
CC
-1
-2
-3
-4
-5
-6
0
6
5
4
3
2
1
0
_______________________________________________________________________________________
= +3.3V, 235kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ, T
0
0
1 TRANSMITTER AT 235kbps
2 TRANSMITTERS AT 30kbps
TRANSMITTER OUTPUT VOLTAGE
TRANSMITTER OUTPUT VOLTAGE
1000
1000
vs. LOAD CAPACITANCE
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
LOAD CAPACITANCE (pF)
2000
2000
MAX3243
3000
3000
4000
V
V
4000
OUT+
OUT-
V
V
OUT
OUT
+
-
5000
5000
22
20
18
16
14
12
10
24
22
20
18
16
14
12
10
8
6
4
2
0
8
6
4
150 500
0
FOR DATA RATES UP TO 235kbps
ALL OUTPUTS LOADED WITH 3kΩ +C
0.1µF CHARGE-PUMP CAPACITORS
FOR ALL DATA RATES UP TO 235kbps
1000
1000
vs. LOAD CAPACITANCE
vs. LOAD CAPACITANCE
+SLEW
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
-SLEW
+SLEW
2000
2000
SLEW RATE
SLEW RATE
MAX3243
-SLEW
3000
3000
4000
4000
L
5000
5000
A
= +25°C, unless otherwise noted.)
45
40
35
30
25
20
15
10
40
35
30
25
20
15
10
5
0
5
CAPACITANCE WHEN TRANSMITTING DATA
SUPPLY CURRENT vs. LOAD CAPACITANCE
0
0
SUPPLY CURRENT vs. LOAD
WHEN TRANSMITTING DATA
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
MAX3221/MAX3223
2000
2000
MAX3243
235kbps
120kbps
20kbps
3000
3000
235kbps
120kbps
20kbps
4000
4000
MAX3221/3223-03
5000
5000
35
30
25
20
15
10
5
0