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參數(shù)資料
| 型號(hào)： | ADM1486ARM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | +5 V Low Power RS-485 PROFIBUS Transceiver |
| 中文描述： | LINE TRANSCEIVER, PDSO8 |
| 封裝： | MICRO, SOIC-8 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 151K |
| 代理商： | ADM1486ARM |
REV Pr. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Preliminary Technical Data
+5 V Low Power
RS-485 PROFIBUS Transceiver
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Meets & Exceeds EIA RS-485 & EIA RS-422 Standard
50 Mb/s Data Rate
Recommended for PROFIBUS Applications
2.1V Minimum Differential Output with 54
Termination
Low Power 0.5mA I
CC
Thermal Shutdown & Short Circuit Protection
Zero Skew Driver & Receiver
Driver Propagation Delay: 8 ns
Receiver Propagation Delay: 12 ns
High Z Outputs with Drivers Disabled or Power Off
Superior Upgrade for SN65ALS1176
15kV HBM ESD Protection on I/O Pins A & B
Available in Standard 8-pin SOIC & Miniature 8-pin
Micro SOIC packages
APPLICATIONS
Industrial Field Equipment
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
RO
RE
DE
DI
R
D
A
B
GND
VCC
ADM1486
GENERAL DESCRIPTION
The ADM1486 is a differential line transceiver suitable
for high speed bidirectional data communication on
multipoint bus transmission lines. It is designed for
balanced data transmission, complies with EIA Standards
RS-485 and RS-422 and is recommended for PROFIBUS
applications. The part contains a differential line driver
and a differential line receiver. Both the driver and the
receiver may be enabled independently. When disabled or
with power off, the driver outputs are tristated.
The ADM1486 operates from a single +5 V power supply.
Excessive power dissipation caused by bus contention or
by output shorting is prevented by a thermal shutdown
circuit. This feature forces the driver output into a high
impedance state if during fault conditions a significant
temperature increase is detected in the internal driver
circuitry.
Up to 50 transceivers may be connected simultaneously on
a bus, but only one driver should be enabled at any time.
It is important therefore that the remaining disabled
drivers do not load the bus. To ensure this, the ADM1486
driver features high output impedance when disabled and
also when powered down.
This minimizes the loading effect when the transceiver is
not being utilized. The high impedance driver output is
maintained over the entire common-mode voltage range
from –7 V to +12 V.
The receiver contains a fail safe feature which results in a
logic high output state if the inputs are unconnected
(floating).
The ADM1486 is fabricated on BiCMOS, an advanced
mixed technology process combining low power CMOS
with fast switching bipolar technology. All inputs and
outputs contain protection against ESD; all driver outputs
feature high source and sink current capability. An epi-
taxial layer is used to guard against latch-up.
The ADM1486 features extremely fast switching speeds.
Minimal driver propagation delays permit transmission at
data rates up to 50 Mbits/s while low skew minimizes
EMI interference.
The part is fully specified over the commercial and indus-
trial temperature range and is available in an 8-lead
DIL/SOIC/μSOIC package.
ADM1486
PRELIMINARY TECHNICAL DATA
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| ADM1486AR-REEL | 功能描述:IC TXRX RS-485 PRO-BUS 5V 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ADM1486AR-REEL7 | 功能描述:IC TXRX RS-485 PRO-BUS 5V 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ADM1486ARZ | 功能描述:IC TX/RX RS-485 PRO-BUS 5V 8SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM1486ARZ | 制造商:Analog Devices 功能描述:IC TRANSCEIVER |
| ADM1486ARZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V, 0.8 mA PROFIBUS RS-485 Transceiver |
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