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參數(shù)資料
| 型號： | SP3490CN |
| 英文描述： | +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate |
| 中文描述： | 3.3V低功耗全雙工RS - 485接口和10Mbps的數(shù)據(jù)速率收發(fā)器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 124K |
| 代理商： | SP3490CN |
1
Rev. 10/11/02
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
■ Full Duplex RS-485 and RS-422
Transceivers
■ Operates from a single +3.3V supply
■ Interoperable with +5.0V logic
■ Driver/Receiver Tri-state Enable
Lines (SP3491)
■ -7V to +12V Common-Mode Input
Voltage Range
■ +200mV Receiver Input Sensitivity
■ Allows up to 32 transceivers on
the serial bus
■ Compatibility with LTC490
and SN75179 (SP3490)
■ Compatibility with LTC491
and SN75180 (SP3491)
SP3490/SP3491
DESCRIPTION
The SP3490 and the SP3491 are +3.3V low power full duplex transceivers that meet the
specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin
compatible with the Sipex SP490 and SP491 devices as well as popular industry standards.
The SP3490 and the SP3491 feature Sipex's BiCMOS process, allowing low power operation
without sacrificing performance. The SP3490 and SP3491 meet the electrical specifications
of RS-485 and RS-422 serial protocols up to 10Mbps under load. The SP3491 is identical to
the SP3490 with the addition of driver and receiver tri-state enable lines.
6
1
2
3
4
5
7
8
Vcc
GND
R
D
A
B
Z
Y
R
D
9
10
11
12
13
14
NC
REB
DE
GND
NC
1
2
3
4
5
6
7
8
R
D
Vcc
GND
R
D
A
B
Z
Y
SP3490
SP3491
+3.3V Low Power Full Duplex RS-485
Transceivers with 10Mbps Data Rate
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3490CN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3490CN-L | 功能描述:RS-485接口IC RS485 10000 kbp 3.3V temp 0C to 70C 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP3490CN-L/TR | 功能描述:RS-485接口IC 3.3V LoPwr Full-Dup RS485w/10Mbps Data 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP3490CP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate |
| SP3490EN | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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