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| 型號： | 522922F |
| 英文描述： | IC |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 285K |
| 代理商： | 522922F |
1
LT1180A/LT1181A
Low Power 5V RS232
Dual Driver/Receiver with
0.1
μ
F Capacitors
U
ESCRIPTIO
R
C
L
= 50pF
Output Waveforms
LT1180A TA02
DRIVER
OUTPUT
R
= 3k
C
L
= 2500pF
RECEIVER
OUTPUT
INPUT
U
A
O
PPLICATI
TYPICAL
5k
0.1
μ
F
LOGIC
INPUTS
LOGIC
OUTPUTS
ON/OFF
18
10
13
11
12
6
5
4
2
16
9
14
8
15
7
3
17
5V INPUT
V
+
OUT
V
–
OUT
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
RS232 INPUT
LT1180A TA01
LT1180A
+
0.1
μ
F
+
0.1
μ
F
+
0.1
μ
F
+
I
ESD Protection over
±
10kV
I
Uses Small Capacitors: 0.1
μ
F
I
120kBaud Operation for R
L
= 3k, C
L
= 2500pF
I
250kBaud Operation for R
L
= 3k, C
L
= 1000pF
I
Outputs Withstand
±
30V Without Damage
I
CMOS Comparable Low Power: 40mW
I
Operates from a Single 5V Supply
I
Rugged Bipolar Design
I
Outputs Assume a High Impedance State When Off
or Powered Down
I
Meets All RS232 Specifications
I
Available With or Without Shutdown
I
Absolutely No Latch-up
I
Available in SO Package
U
S
A
O
PPLICATI
S
FEATURE
D
I
Portable Computers
I
Battery-Powered Systems
I
Power Supply Generator
I
Terminals
I
Modems
, LTC and LT are registered trademarks of Linear Technology Corporation.
TransZorb is a registered trademark of General Instruments, GSI
The LT
1180A/LT1181A are dual RS232 driver/receiver
pairs with integral charge pump to generate RS232 volt-
age levels from a single 5V supply. These circuits feature
rugged bipolar design to provide operating fault tolerance
and ESD protection unmatched by competing CMOS
designs. Using only 0.1
μ
F external capacitors, these cir-
cuits consume only 40mW of power, and can operate to
120k baud even while driving heavy capacitive loads. New
ESD structures on the chip allow the LT1180A/LT1181A to
survive multiple
±
10kV strikes, eliminating the need for
costly TransZorbs
on the RS232 line pins. The LT1180A/
LT1181A are fully compliant with EIA RS232 standards.
Driver outputs are protected from overload, and can be
shorted to ground or up to
±
30V without damage. During
shutdown or power-off conditions, driver and receiver
outputs are in a high impedance state, allowing line
sharing.
The LT1181A is available in 16-pin DIP and SO packages.
The LT1180A is supplied in 18-pin DIP and SO packages
for applications which require shutdown.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 522923-000 | 制造商:TE Connectivity 功能描述:55PC2121-22-9/96-9CS2743 制造商:TE Connectivity 功能描述:55 CABLE - Cable Rools/Shrink Tubing |
| 522923D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC |
| 5229-24CPB | 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:2.54mm (.100) Vertical, Non-ZIF, Low Profile Receptacle, 24 Circuits |
| 522925-000 | 制造商:TE Connectivity 功能描述:Shrink Boot Adapters 180° 制造商:TE Connectivity 功能描述:TXR40AB00-2012CI - Bulk |
| 5229-25APB | 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:2.54mm (.100) Right Angle, Non-ZIF, Low Profile Receptacle, 25 Circuits |
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