參數(shù)資料
型號(hào): LTC1382CN
廠商: Linear Technology
文件頁(yè)數(shù): 1/8頁(yè)
文件大?。?/td> 0K
描述: IC TXRX 5V RS232 W/SHTDWN 18-DIP
標(biāo)準(zhǔn)包裝: 20
類(lèi)型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 2/2
規(guī)程: RS232
電源電壓: 4.5 V ~ 5 V
安裝類(lèi)型: 通孔
封裝/外殼: 18-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 18-DIP
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1354 (CN2011-ZH PDF)
1
LTC1382
1382fa
5V Low Power
RS232 Transceiver
with Shutdown
Operates from a Single 5V Supply
Low Supply Current: ICC = 220A
ICC = 0.2A in Shutdown Mode
ESD Protection Over ±10kV
Uses Small Capacitors: 0.1F
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 LT1180A
The LTC
1382 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 0.1F capacitors.
The transceiver operates in one of two modes, Normal
and Shutdown. In the Normal mode, ICC is only 220A
with the driver outputs unloaded. In the Shutdown
mode, the charge pump is turned off, the driver outputs
are forced into three-state, both receivers are off and
ICC drops to 0.2A.
The LTC1382 is fully compliant with all data rate and
overvoltage RS232 specifications. The transceiver can
operate up to 120kbaud with a 2500pF, 3k load. Both
driver outputs and receiver inputs can be forced to
±25V without damage and can survive multiple ±10kV
ESD strikes.
Notebook Computers
Palmtop Computers
TEMPERATURE (°C)
–20
0
QUIESCENT
CURRENT
(
A)
100
200
300
400
600
0
20
40
60
LTC1382 TA02
80
500
TEST CONDITION: VCC = 5V
0
SHUTDOWN
CURRENT
(
A)
0.2
0.4
0.6
0.8
1.2
1.0
QUIESCENT
CURRENT
SHUTDOWN
CURRENT
Quiescent and Shutdown Supply Current
vs Temperature
2-Drivers/2-Receivers with Shutdown
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
LTC1382 TA01
LTC1382
2
4
0.1F
17
VCC = 5V
3
0.1F
7
0.1F
5
6
232 OUTPUT
15
8
232 OUTPUT
300k
14
232 INPUT
5k
9
232 INPUT
16
12
11
13
10
LOGIC INPUT
LOGIC OUTPUT
300k
5k
18
ON/OFF
VCC
, LTC and LT are registered trademarks of Linear Technology Corporation.
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