Datasheet

MAX3387E
3V, ±15kV ESD-Protected, AutoShutdown Plus
RS-232 Transceiver for PDAs and Cell Phones
_______________________________________________________________________________________ 5
-7.5
-5.0
-2.5
0
2.5
5.0
7.5
0 50 100 150 200 250
TRANSMITTER OUTPUT VOLTAGE
vs. DATA RATE
MAX3387E-03
DATA RATE (kbps)
OUTPUT VOLTAGE (V)
LOAD = 3kΩ, 1000pF
ONE TRANSMITTER
SWITCHING AT DATA
RATE, OTHER
TRANSMITTERS
AT 1/8 DATA RATE
0
10
20
30
40
50
60
0 1000 2000 3000 4000 5000
SUPPLY CURRENT vs. LOAD CAPACITANCE
MAX3387E-04
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
250kbps
120kbps
20kbps
LOAD = 3kΩ,
ONE TRANSMITTER
SWITCHING AT DATA
RATE, OTHER
TRANSMITTERS
AT 1/8 DATA RATE
Typical Operating Characteristics (continued)
(V
CC
= V
L
= +3.3V, T
A
= +25°C, unless otherwise noted.)
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
FORCEOFF
V
CC
GND
T1OUTC2+
C1-
V+
C1+
TOP VIEW
T2OUT
T3OUT
R1IN
R2INT2IN
T1IN
V-
C2-
16
15
14
13
9
10
11
12
R3IN
V
L
R1OUT
R2OUTR3OUT
FORCEON
T3IN
INVALID
TSSOP
MAX3387E
+
Pin Configuration