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參數(shù)資料
| 型號： | SP3495EEN-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/RS422 ESD 8NSOIC |
| 標準包裝： | 98 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422/RS485 |
| 電源電壓： | 3.3V |
| 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： | 管件 |
| 其它名稱： | 1016-1151-5 |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
SP3495E-3497E
HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND
ADVANCED FAILSAFE
MAY 2009
REV. 1.0.0
GENERAL DESCRIPTION
The SP3495E - SP3497E transceivers are suitable
for
high
speed
bidirectional
communication
on
multipoint bus transmission lines. They are designed
for balanced data transmission and comply with both
RS-485 and RS-422 EIA standards. Each device
contains one differential driver and one differential
receiver
Driver differential outputs and receiver differential
inputs are connected internally to form a half-duplex
input/output to the RS-485 bus. Separate RE and DE
pins enable and disable the driver and receiver
independently or may be
externally connected
together as a direct control. The device enters a low
power shutdown mode if both driver and receiver are
disabled. the bus-pin outputs of disabled or powered
down devices are in high impedance state. The high
impedance driver output is maintained over the entire
common-mode voltage range of -7V to +12V.
SP3495E - SP3497E operates from a single 3.3V
power supply. SP3495E - SP3497E transceivers load
the data bus only half as much as a standard RS-485
unit load. This allows up to 64 devices to be
connected simultaneously on a bus without violating
required RS-485 signal margin and without using
repeaters. Excessive power dissipation caused by
bus contention or by shorting outputs to ground or a
voltage source is prevented by short circuit protection
and thermal shutdown. This feature forces the driver
output into high impedance state if the absolute value
of the output current exceeds 250mA or if junction
temperature exceeds 165°C. Receivers will fail-safe
to a logic high output state if the inputs are
unconnected (floating) or shorted. All RS-485 inputs
and outputs are ESD protected up to +/-15kV Human
Body Model.
FEATURES
3.3V Single Supply Operation
High Speed up to 32Mbps
Robust +/-15kV ESD protection
Hot Swap glitch protection
Advanced Fail-safe Receiver Inputs
Half Unit Load, 64 Transceivers on bus
Driver short circuit current limit and thermal
shutdown for overload protection
Low Current 1uA shutdown mode
TYPICAL APPLICATIONS
Factory Automation Controls
Motor Control
Industrial Process Control
Building Automation
Security Systems
Remote Utility Meter Reading
Long or un-terminated transmission lines
FIGURE 1. TYPICAL APPLICATION CIRCUIT
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP3495EEN-L/TR | 功能描述:RS-422/RS-485 接口 IC Half Duplex RS-422/ RS-485 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)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 |
| SP3496E | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE |
| SP3496EEN-L | 功能描述:RS-422/RS-485 接口 IC Full Duplex RS-422/ RS-485 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)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 |
| SP3496EEN-L/TR | 功能描述:RS-422/RS-485 接口 IC Full Duplex RS-422/ RS-485 Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)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 |
| SP3497E | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE |
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