Datasheet

MAX3212
+2.7V to +3.6V-Powered, 1µA Supply Current,
3-Driver/5-Receiver, True RS-232 Transceiver
4 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
15
0
TRANSMITTING SUPPLY CURRENT 
vs. DATA RATE
MAX3212-01
DATA RATE (kbps)
SUPPLY CURRENT (mA)
20
25
30
35
40
45
50 100 150 200 250
TRANSMITTERS LOADED 
WITH 3kΩ + 2500pF
1 TRANSMITTER (FULL DATA RATE)
2 TRANSMITTERS (DATA RATE/8)
15
20
0
TRANSMITTING SUPPLY CURRENT
vs. LOAD CAPACITANCE
MAX3212-02
LOAD CAPACITANCE/TRANSMITTER (pF)
SUPPLY CURRENT (mA)
25
30
35
40
45
50
55
60
65
1000 2000 3000 4000 5000
235kbps
120kbps
20kbps
-10
0
2.0
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX3212-03
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
10
20
30
40
50
60
2.5 3.0 3.5 4.0
3kΩ + 235kbps
3kΩ + 120kbps
3kΩ + 20kbps
3kΩ ONLY
0
2
0
SLEW RATE
vs. LOAD CAPACITANCE
MAX3212-04
LOAD CAPACITANCE/TRANSMITTER (pF)
SLEW RATE (V/µs)
4
6
8
10
12
14
1000 2000 3000 4000 5000
+SLEW
-SLEW
TRANSMITTERS LOADED 
WITH 3kΩ AND SPECIFIED
CAPACITANCE AT 232kbps
-7.5
-5.0
0
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE AT 235kbps
MAX3212-05
LOAD CAPACITANCE/TRANSMITTER (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
-2.5
0
2.5
5.0
7.5
1000 2000 3000 4000 5000
V
OUT
+
V
OUT
-
TRANSMITTERS LOADED WITH 3kΩ
AND SPECIFIED CAPACITANCE
TIME TO EXIT SHUTDOWN: ONE
TRANSMITTER HIGH, ONE TRANSMITTER LOW
0V
0V
2V/div
FORCEON, 
FORCEOFF
V
OH
T_OUT
V
OL
R
L
= 3kΩ || 2500pF
100µs/div