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參數資料
| 型號： | ADM488AN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDIP8 |
| 封裝： | PLASTIC, MS-001BA, DIP-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 212K |
| 代理商： | ADM488AN |
REV. 0
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
ADM488/ADM489
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
Full-Duplex, LowPower,
SlewRate Limted, EIARS-485 Transceivers
FUNCT IONAL BLOCK DIAGRAMS
FEATURES
Meets EIA RS-485 Standard
250 kbps Data Rate
Single +5 V
6
10% Supply
–7 V to +12 V Bus Common-Mode Range
12 k
V
Input Impedance
2 kV EFT Protection Meets IEC1000-4-4
High EM Immunity Meets IEC1000-4-3
Reduced Slew Rate for Low EM Interference
Short Circuit Protection
Excellent Noise Immunity
30
m
A Supply Current
APPLICATIONS
Low Power RS-485 Systems
DTE-DCE Interface
Packet Switching
Local Area Networks
Data Concentration
Data Multiplexers
Integrated Services Digital Network (ISDN)
GE NE RAL DE SCRIPT ION
T he ADM488 and ADM489 are low power differential line
transceiver suitable for communication on multipoint bus trans-
mission lines.
T hey are intended for balanced data transmission and comply
with both EIA Standards RS-485 and RS-422. Both products
contains a single differential line driver and a single differential
line receiver making them suitable for full duplex data transfer.
T he ADM489 contains an additional receiver and driver enable
control.
T he input impedance is 12 k
, allowing 32 transceivers to be
connected on the bus.
T he ADM488/ADM489 operates from a single +5 V
±
10%
power supply. Excessive power dissipation caused by bus con-
tention or by output shorting is prevented by a thermal shut-
down circuit. T his feature forces the driver output into a high
impedance state if during fault conditions a significant tempera-
ture increase is detected in the internal driver circuitry.
T he receiver contains a fail-safe feature that results in a logic
high output state if the inputs are unconnected (floating).
T he ADM488/ADM489 is fabricated on BiCMOS, an ad-
vanced mixed technology process combining low power CMOS
with fast switching bipolar technology.
T he ADM488/ADM489 is fully specified over the industrial
temperature range and is available in DIP, SOIC and T SSOP
packages.
ADM488
R
D
RO
DI
A
B
Z
Y
ADM489
R
D
RO
DI
A
B
Z
Y
RE
DE
相關PDF資料 |
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| ADM488AR | Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers |
| ADM489AR | Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers |
| ADM489ARU | PHOTODIODE, 0.05A, 1.3V; Area, active:7.5mm2; Case style:SOT-23; Sensitivity:0.6A/W @ 950nm; Wavelength, peak:940nm RoHS Compliant: Yes |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM488ANZ | 功能描述:IC TXRX RS485 LO SLEW 8DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發器 驅動器/接收器數:1/1 規程: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） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM488ANZ | 制造商:Analog Devices 功能描述:IC CMOS BUS TRANSCEIVER DIP8 488 |
| ADM488AR | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N 制造商:Analog Devices 功能描述:LOW POWER SLEW RATE RS-485 ((NS)) |
| ADM488AR-REEL | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R 制造商:Analog Devices 功能描述:LINE TRNSCVR 1TR 1TX 1RX 8SOIC N - Tape and Reel |
| ADM488AR-REEL7 | 制造商:Analog Devices 功能描述:Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R |
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