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參數資料
| 型號： | SP1486EEN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/15頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 PROFIBUS 8SOIC |
| 標準包裝： | 2,500 |
| 類型： | 收發器 |
| 驅動器/接收器數： | 1/1 |
| 規程： | RS422，RS485 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP486E_0_0070
DESCRIPTION
FEATURES
APPLICATIONS
SP1486E
+5V, 20Mbps PROFIBUS RS485/RS422 Transceivers
Advanced Failsafe, 1/8th Unit Load, ±15kV ESD-Protected
Recommended for PROFIBUS applications
High differential output drive,
minimum 2.1V into 54 load
5.0V Single Supply Operation
ns driver and receiver skew
20 Mbps data rate
/8th Unit Load, 256 transceivers on bus
Robust ESD Protection for RS485 pins
±15kV Air-Gap Discharge
±15kV Human Body Model
±8kV Contact Discharge
Hot Swap glitch protection on control inputs
Receiver failsafe on open, short
or terminated lines
Driver short circuit current limit and
thermal shutdown for overload protection
Very low 300μA static power consumption
1μA shutdown mode
High Speed RS485 Communications
Industrial Process Control
PROFIBUS applications
SP486E is a half duplex differential line transceiver suitable for high speed bidirectional commu-
nication on multipoint bus transmission lines. Each device contains one differential driver and one
differential receiver. Devices comply with TIA/EIA-485 and TIA/EIA-422 standards and also meet the
higher drive and tighter skew requirements of PROFIBUS applications. Lead-free and RoHS compli-
ant packages are available for all models.
PROFIBUS is in wide use in industrial control and automation applications and the SP486E is rug-
gedized for use in harsh operating conditions. Receivers are specially designed to fail-safe to a logic
high output state if the inputs are left un-driven or shorted. All RS485 bus-pins are protected against
severe ESD events up to ±5kV (Air-Gap and Human Body Model) and up to ±8kV Contact Discharge
(IEC 1000-4-2). Drivers are protected from excess current flow caused by bus contention or output
short-circuits by both an internal current limit and a thermal-overload shutdown. Devices are rated for
Industrial (-40 to +85C) operating temperature. Receivers have exceptionally high input impedance,
which places only /8th the standard load on a shared bus. Up to 256 transceivers may coexist while
preserving full signal margin.
All devices operate from a single 5.0 V power supply and draw negligible quiescent power. Both driver
and receiver can be enabled and disabled independently and the device enters a low power shutdown
mode if both driver and receiver are disabled. The bus-pin outputs of disabled modules are in high
impedance state. The high impedance driver output is maintained over the entire common-mode volt-
age range from -7 to +2V.
B
R
B
D
1
4
3
2
8
5
6
7
A
GND
V
CC
RO
RE
DE
DI
+5V
100nF
RT
SP1486E
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SP1486EMN-L | 功能描述:RS-422/RS-485 接口 IC 5V 15KV ESD PROFIBUS RS485/422 HALF-DUP RoHS:否 制造商:Maxim Integrated 數據速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| SP1486EMN-L/TR | 功能描述:RS-422/RS-485 接口 IC 5V 15KV ESD PROFIBUS RS485/422 HALF-DUP RoHS:否 制造商:Maxim Integrated 數據速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| SP1490 | 制造商:MURATA-PS 制造商全稱:Murata Power Solutions Inc. 功能描述:Telephony / CATV Uninterruptible Power Supply |
| SP1490E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP1490E_05 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
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