MAX3218EAP+T Maxim Integrated Products, MAX3218EAP+T Datasheet - Page 4

• Manufacturer Part Number: MAX3218EAP+T
• Description: IC TXRS RS-232 W/SHTDWN 20SSOP
• Manufacturer: Maxim Integrated Products
• Type: Line Transceiverr

Specifications of MAX3218EAP+T

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 1.8 V ~ 4.25 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1µA Supply Current, 1.8V to 4.25V-Powered
RS-232 Transceiver with AutoShutdown™
(Circuit of Figure 1, V
4
__________________________________________Typical Operating Characteristics
_______________________________________________________________________________________
140
120
100
80
60
40
20
-2
-4
-6
-8
6
4
2
0
8
0
0
TRANSMITTER OUTPUT VOLTAGE vs.
CC
1.8
LOAD CAPACITANCE AT 120kbps
20kbps
0kbps
1000
= 1.8V, all transmitter outputs loaded with 3kΩ, T
1 TRANSMITTER FULL DATA RATE
1 TRANSMITTER 1/8 DATA RATE
R
LOAD CAPACITANCE (pF)
SUPPLY CURRENT vs.
L
240kbps
120kbps
SUPPLY VOLTAGE (V)
= 3k + 2500pF
2.4
SUPPLY VOLTAGE
2000
3.0
3000
V
V
3.6
OUT+
OUT-
4000
2V/div
4.2
5000
V
R
CC =
L
= 3k || 2500pF
TIME TO EXIT SHUTDOWN
(ONE TRANSMITTER HIGH,
ONE TRANSMITTER LOW)
1.8V
100 s/div
A
= +25°C, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
12
10
8
6
4
2
0
0
0
FORCEON, FORCEOFF
V
T_OUT
V
V
235kbps
120kbps
20kbps
DATA RATE 120kbps,
TRANSMITTERS LOADED WITH
3k PLUS INDICATED CAPACITANCE
OH
OL
CC
TRANSMITTING SUPPLY CURRENT
TRANSMITTER CAPACITANCE
= 2.4V
1000
1000
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
-SLEW
SLEW RATE vs.
TRANSMITTER 1 OPERATING
AT SPECIFIED BIT RATE,
TRANSMITTER 2 OPERATING
AT 1/16 THAT RATE.
2000
2000
+SLEW
3000
3000
4000
4000
5000
5000