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LT1134AIN Datasheet

  • LT1134AIN

  • Advanced Low Power 5V RS232 Drivers/Receivers with Small Cap...

  • 12頁

  • LINER

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LT1130A/LT1140A Series
Advanced Low Power
5V RS232 Drivers/Receivers
with Small Capacitors
FEATURES
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
s
s
ESD Protection over
鹵10kV
(鹵15kV IEC-1000-4-2 for LT1133A, LT1137A
and LT1141A)
Uses Small Capacitors: 0.1碌F, 0.2碌F
1碌A(chǔ) Supply Current in SHUTDOWN
120kBaud Operation for R
L
= 3k, C
L
= 2500pF
250kBaud Operation for R
L
= 3k, C
L
= 1000pF
CMOS Comparable Low Power
Easy PC Layout: Flowthrough Architecture
Rugged Bipolar Design: Absolutely No Latchup
Outputs Assume a High Impedance State When Off
or Powered Down
Improved Protection: RS232 I/O Lines Can Be Forced
to
鹵30V
Without Damage
Output Overvoltage Does Not Force Current Back
into Supplies
Available in SO and SSOP Packages
The LT
1130A/LT1140A series of RS232 drivers/receiv-
ers features special bipolar construction techniques which
protect the drivers and receivers beyond the fault condi-
tions stipulated for RS232. Driver outputs and receiver
inputs can be shorted to
鹵30V
without damaging the
device or the power supply generator. In addition, the
RS232 I/O pins are resilient to multiple
鹵10kV
ESD strikes.
An advanced driver output stage operates up to 250kbaud
while driving heavy capacitive loads. Supply current is
typically 12mA, competitive with CMOS devices.
Several members of the series include flexible operating
mode controls. The DRIVER DISABLE pin disables the
drivers and the charge pump, the ON/OFF pin shuts down
all circuitry. While shut down, the drivers and receivers
assume high impedance output states.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Basic Operation
V
+
1
0.1碌F
0.1碌F
2
DRIVER OUT
RX IN
DRIVER OUT
TO LINE
RX IN
RX IN
RX IN
DRIVER OUT
RX IN
ON/OFF = 5V
5V V
CC
2
3
4
5
6
7
8
9
10
11
12
13
14
LT1137A
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
鈥?/div>
0.1碌F
2
DRIVER IN
RX OUT
DRIVER IN
RX OUT
RX OUT
RX OUT
DRIVER IN
RX OUT
GND
DRIVER DISABLE
TO LOGIC
0.1碌F
RECEIVER
OUTPUT
C
L
= 50pF
DRIVER
R
OUTPUT
R
L
= 3k
C
L
= 2500pF
INPUT
1130A 鈥?TA01
LT1130A 5-Driver/5-Receiver RS232 Transceiver
LT1131A 5-Driver/4-Receiver RS232 Transceiver w/Shutdown
LT1132A 5-Driver/3-Receiver RS232 Transceiver
LT1133A 3-Driver/5-Receiver RS232 Transceiver
LT1134A 4-Driver/4-Receiver RS232 Transceiver
LT1135A 5-Driver/3-Receiver RS232 Transceiver w/o Charge Pump
LT1136A 4-Driver/5-Receiver RS232 Transceiver w/Shutdown
LT1137A 3-Driver/5-Receiver RS232 Transceiver w/Shutdown
LT1138A 5-Driver/3-Receiver RS232 Transceiver w/Shutdown
LT1139A 4-Driver/4-Receiver RS232 Transceiver w/Shutdown
LT1140A 5-Driver/3-Receiver RS232 Transceiver w/o Charge Pump
LT1141A 3-Driver/5-Receiver RS232 Transceiver w/o Charge Pump
U
Output Waveforms
LT1130A 鈥?TA02
U
1

LT1134AIN 產(chǎn)品屬性

  • LT1130A/40A Series

  • 15

  • 集成電路 (IC)

  • 接口 - 驅(qū)動器,接收器,收發(fā)器

  • -

  • 收發(fā)器

  • 4/4

  • RS232

  • 4.5 V ~ 5.5 V

  • 通孔

  • 24-DIP(0.300",7.62mm)

  • 24-PDIP

  • 管件

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