Datasheet

MAX3386E
3.0V, ±25kV ESD-Protected RS-232
Transceiver for PDAs and Cell Phones
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= V
L
= +3.3V, T
A
= +25°C, unless otherwise noted.)
-7.5
-5.0
-2.5
0
2.5
5.0
7.5
0 1000 2000 3000 4000 5000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3386E toc 01
LOAD CAPACITANCE (pF)
OUTPUT VOLTAGE (V)
DATA RATE = 250kbps
LOAD = 3kΩ IN PARALLEL WITH C
L
0
2
4
6
8
10
12
14
16
0 1000 2000 3000 4000 5000
SLEW RATE vs. LOAD CAPACITANCE
MAX3386E toc 02
LOAD CAPACITANCE (pF)
SLEW RATE (V/µs)
SLEW RATE +
SLEW RATE -
-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
MAX3386E toc 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
MAX3386E toc 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