3V, ±15kV ESD-Protected, AutoShutdown Plus
RS-232 Transceiver for PDAs and Cell Phones
Typical Operating Characteristics (continued)
(V
CC
= V
L
= +3.3V, T
A
= +25°C, unless otherwise noted.)
MAX3387E
TRANSMITTER OUTPUT VOLTAGE
vs. DATA RATE
MAX3387E-03
SUPPLY CURRENT vs. LOAD CAPACITANCE
LOAD = 3kΩ,
ONE TRANSMITTER
SWITCHING AT DATA
RATE, OTHER
TRANSMITTERS
250kbps
AT 1/8 DATA RATE
120kbps
MAX3387E-04
7.5
5.0
OUTPUT VOLTAGE (V)
2.5
0
-2.5
-5.0
-7.5
0
50
100
150
200
LOAD = 3kΩ, 1000pF
ONE TRANSMITTER
SWITCHING AT DATA
RATE, OTHER
TRANSMITTERS
AT 1/8 DATA RATE
60
50
SUPPLY CURRENT (mA)
40
30
20
10
0
20kbps
250
0
1000
2000
3000
4000
5000
DATA RATE (kbps)
LOAD CAPACITANCE (pF)
Pin Configuration
TOP VIEW
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T1IN 7
T2IN 8
INVALID 9
T3IN 10
FORCEON 11
R3OUT 12
+
24 FORCEOFF
23 V
CC
22 GND
21 T1OUT
MAX3387E
20 T2OUT
19 T3OUT
18 R1IN
17 R2IN
16 R3IN
15 V
L
14 R1OUT
13 R2OUT
TSSOP
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
