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| 型號： | 522993R |
| 英文描述： | IC DIVERSE VERSTAERKER |
| 中文描述： | 集成電路不同VERSTAERKER |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 219K |
| 代理商： | 522993R |
1
LTC1481
Ultra-Low Power
RS485 Transceiver
with Shutdown
S
FEATURE
D
U
ESCRIPTIO
The LTC
1481 is an ultra-low power differential line trans-
ceiver designed for data transmission standard RS485
applications. It will also meet the requirements of RS422.
The CMOS design offers significant power savings over its
bipolar counterparts without sacrificing ruggedness against
overload or ESD damage. Typical quiescent current is only
80
μ
A while operating and less than 1
μ
A in shutdown.
The driver and receiver feature three-state outputs, with
the driver outputs maintaining high impedance over the
entire common-mode range. Excessive power dissipation
caused by bus contention or faults is prevented by a
thermal shutdown circuit which forces the driver outputs
into a high impedance state. The receiver has a fail-safe
feature which guarantees a high output state when the
inputs are left open.
The LTC1481 is fully specified over the commercial and
extended industrial temperature range and is available in
8-pin DIP and SO packages.
I
Low Power: I
CC
= 120
μ
A Max with Driver Disabled
I
I
CC
= 500
μ
A Max with Driver Enabled, No Load
I
Drivers/Receivers Have
±
10kV ESD Protection
I
1
μ
A Quiescent Current in Shutdown Mode
I
High Speed: Up to 2.5Mbits/s Data Rate
I
Single 5V Supply
I
–7V to 12V Common-Mode Range Permits
±
7V
Ground Difference Between Devices on the Data Line
I
Thermal Shutdown Protection
I
Power Up/Down Glitch-Free Driver Outputs Permit
Live Insertion or Removal of Transceiver
I
Driver Maintains High Impedance in Three-State
or with the Power Off
I
Up to 32 Transceivers on the Bus
I
30ns Typical Driver Propagation Delays
with 5ns Skew
I
Pin Compatible with the LTC485
U
S
A
O
PPLICATI
I
Battery-Powered RS485/RS422 Applications
I
Low Power RS485/RS422 Transceiver
I
Level Translator
U
A
O
PPLICATI
TYPICAL
TEMPERATURE (°C)
–50
S
μ
A
50
350
300
250
200
150
100
50
0
1481 TA02
0
–25
25
75
125
175
150
100
DRIVER ENABLED
DRIVER DISABLED
THERMAL SHUTDOWN
WITH DRIVER ENABLED
V
CC1
GND1
R
RO1
RE1
DE1
DI1
D
V
CC2
GND2
R
RO2
RE2
DE2
DI2
D
Rt
Rt
LTC1481 TA01
Supply Current vs Temperature
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5229995-1 | 制造商:TE Connectivity 功能描述:CONN ACC SCRW LOCK - Bulk 制造商:TE Connectivity 功能描述:2.16 [.085] Accessories and Hardware |
| 5229995-2 | 功能描述:集管和線殼 STANDOFF MTG STUDS 4-40 length .640 RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector |
| 5229996-2 | 功能描述:螺絲和緊固件 4-40 PAN HEAD SCREW length .425" RoHS:否 制造商:Unspecified 產(chǎn)品: 類型:Washer 螺紋大小: 長度: 材料:Steel 電鍍:Nickel 螺絲頭: 螺絲類型: |
| 5229996-3 | 功能描述:螺絲和緊固件 4-40 PAN HEAD SCREW length .350" RoHS:否 制造商:Unspecified 產(chǎn)品: 類型:Washer 螺紋大小: 長度: 材料:Steel 電鍍:Nickel 螺絲頭: 螺絲類型: |
| 5229996-4 | 功能描述:螺絲和緊固件 SCREW PAN HD CAPTIVE SCREW PAN HD CAPTIVE RoHS:否 制造商:Unspecified 產(chǎn)品: 類型:Washer 螺紋大小: 長度: 材料:Steel 電鍍:Nickel 螺絲頭: 螺絲類型: |
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