LTC1383_15 Datasheet, PDF (1/8 Pages) Linear Technology – 5V Low Power RS232 Transceiver

FEATURES
■ _{Operates from a Single 5V Supply}
■ _{Low Supply Current: ICC = 220µA}
■ _{ESD Protection Over ±10kV}
■ _{Available in 16-Pin SOIC Narrow Package}
■ _{Uses Small Capacitors: 0.1µF}
■ _{Operates to 120kBaud}
■ _{Output Overvoltage Does Not Force Current}
Back into Supplies
■ _{RS232 I/O Lines Can Be Forced to ±25V}
Without Damage
■ _{Pin Compatible with LT1181A and MAX232A}
U
APPLICATIO S
■ _{Notebook Computers}
■ _{Palmtop Computers}
LTC1383
5V Low Power
RS232 Transceiver
DESCRIPTIO
The LTC^®1383 is an ultra-low power 2-driver/2-receiver
RS232 transceiver that operates from a single 5V
supply. The charge pump requires only four space-
saving 0.1µF capacitors. The supply current (I_CC) of the
transceiver is only 220µA with driver outputs unloaded.
The LTC1383 is fully compliant with all data rate and
overvoltage RS232 specifications. The transceiver can
operate up to 120kbaud with a 2500pF, 3kΩ load. Both
driver outputs and receiver inputs can be forced to
±25V without damage and can survive multiple ±10kV
ESD strikes.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
0.1µF
0.1µF
LOGIC INPUT
LOGIC INPUT
LOGIC OUTPUT
1
3
4
LTC1383
5 _VCC
300k
11
V_CC
300k
10
12
5k
9
LOGIC OUTPUT
5k
16 _{VCC = 5V}
2
6
0.1µF
0.1µF
14
232 OUTPUT
7
232 OUTPUT
13
232 INPUT
8
232 INPUT
15
LTC1383 • TA01
Quiescent Supply Current vs Temperature
600
TEST CONDITION: V_CC = 5V
500
400
QUIESCENT
300
CURRENT
200
100
0
–20
0
20
40
60
80
TEMPERATURE (°C)
LTC1383 • TA02
1383fa
1