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參數(shù)資料
| 型號(hào)： | ST485ABN |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Very high speed low power RS-485/RS-422 transceiver |
| 中文描述： | 極高速低功耗RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 224K |
| 代理商： | ST485ABN |
March 2006
Rev 2
1/19
19
Order code
Part number
Temperature range
Package
Comments
ST485ACN
0 to 70 °C
DIP-8
50parts per tube / 40tube per box
ST485ABN
-40 to 85 °C
DIP-8
50parts per tube / 40tube per box
ST485ACDR
0 to 70 °C
SO-8 (Tape & reel)
2500 parts per reel
ST485ABDR
-40 to 85 °C
SO-8 (Tape & reel)
2500 parts per ree
ST485A
Very high speed
low power RS-485/RS-422 transceiver
General features
I
Low supply current: 5mA max
I
High data rate > 30Mbps
I
Designed for RS 485 interface applications
I
-7 to 12 common mode input voltage range
I
Driver maintains high impedance in 3-state or
with the power off
I
70mV typical input hysteresis
I
Operate from single 5 supply
I
±4kV ESD protection
I
Current limiting and thermal shutdown for
driver overload protection
I
Latch-up free up to 500mA
Description
The ST485A is a low power, high speed
transceiver for RS-485 and RS-422
communications. The device contains one driver
and one receiver in half duplex configuration. The
ST485A draws 3mA (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 place the driver
outputs into a high-impedance state. The receiver
input has a fail-safe feature that guarantees a
logic high output if both inputs are open circuit.
The ST485A is designed for bi-directional data
communications or multipoint bus transmission
lines.
DIP-8
SO-8
www.st.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST485AC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER |
| ST485ACD | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Hi-Spd Lo Pwr Trans RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| ST485ACDR | 功能描述:緩沖器和線路驅(qū)動(dòng)器 Hi-Spd Lo Pwr Trans RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| ST485ACN | 功能描述:RS-485接口IC Hi-Spd Lo Pwr Trans RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| ST485AD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW POWER RS-485/RS-422 TRANSCEIVER |
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