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參數(shù)資料
| 型號(hào)： | ST485XN |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | RS-485 |
| 英文描述： | Low power RS-485/RS-422 transceiver |
| 中文描述： | 低功耗RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 279K |
| 代理商： | ST485XN |
August 2006
Rev 13
1/19
19
Order code
Part number
Temperature range
Package
Packaging
ST485CN
0 to 70 °C
DIP-8
50parts per tube / 40tube per box
ST485BN
-40 to 85 °C
DIP-8
50parts per tube / 40tube per box
ST485XN
-55 to 125 °C
DIP-8
50parts per tube / 40tube per box
ST485CD
0 to 70 °C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485BD
-40 to 85 °C
SO-8 (Tube)
100parts per tube / 20tube per box
ST485CDR
0 to 70 °C
SO-8 (Tape & reel)
2500 parts per reel
ST485BDR
-40 to 85 °C
SO-8 (Tape & reel)
2500 parts per reel
ST485XDR
-55 to 125 °C
SO-8 (Tape & reel)
2500 parts per reel
ST485
Low power
RS-485/RS-422 transceiver
General features
■
Low quiescent current: 300μA
■
Designed for RS-485 interface application
■
-7V to 12V common mode input voltage range
■
Driver maintains high impedance in 3-state or
with the power OFF
■
70mV tipycal input hysteresis
■
30ns propagation delay, 5ns skew
■
Operate from a single 5V supply
■
Current limiting and thermal shutdown for
driver overload protection
■
Allows up to 64 transceivers on the bus
Description
The ST485 is al low power transceiver for RS-485
and RS-422 communication. Each part contains
one driver and one receiver.
This transceiver draw 300μA (typ.) of supply
current when unloaded or fully loaded with
disabled drivers.
It operates from a single 5V supply.
Driver is short-circuit current limited and is
protected against excessive power dissipation by
thermal shutdown circuitry that placed the driver
outputs into a high-impedance state.
The ST485 is designed for bi-directional data
communications on multipoint bus transmission
line (half-duplex applciations).
The ST485 is available in three temperature
range: commercial (0°C to 70°C), industrial (-
40°C to 85°C) and automotive (-55°C to 125°C)
DIP-8
SO-8
www.st.com
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