參數(shù)資料
型號(hào)： ADM3073EARZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 0K
描述： IC TXRX RS-485 3.3V FD 14-SOIC
標(biāo)準(zhǔn)包裝： 56
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 3 V ~ 3.6 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 14-SOICN
包裝： 管件
3.3 V, ±15 kV ESD-Protected, Half- and
Full-Duplex, RS-485/RS-422 Transceivers
ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2006–2009 Analog Devices, Inc. All rights reserved.
FEATURES
TIA/EIA RS-485/RS-422 compliant
±15 kV ESD protection on RS-485 input/output pins
Data rates
ADM3070E/ADM3071E/ADM3072E: 250 kbps
ADM3073E/ADM3074E/ADM3075E: 500 kbps
ADM3076E/ADM3077E/ADM3078E: 16 Mbps
Half- and full-duplex options
True fail-safe receiver inputs
Up to 256 nodes on the bus
40°C to +125°C temperature option
Hot-swap input structure on DE and RE pins
Reduced slew rates for low EMI
Low power shutdown current (all except ADM3071E/
ADM3074E/ADM3077E)
Outputs high-Z when disabled or powered off
Common-mode input range: 7 V to +12 V
Thermal shutdown and short-circuit protection
8-lead and 14-lead narrow SOIC packages
APPLICATIONS
Power/energy metering
Industrial control
Lighting systems
Telecommunications
Security systems
Instrumentation
GENERAL DESCRIPTION
The ADM307xE are 3.3 V, low power data transceivers with
±15 kV ESD protection suitable for full- and half-duplex
communication on multipoint bus transmission lines. They
are designed for balanced data transmission, and they comply
with TIA/EIA standards: RS-485 and RS-422.
The devices have a unit load receiver input impedance, which
allows up to 256 transceivers on a bus. Because only one driver
should be enabled at any time, the output of a disabled or powered-
down driver is tristated to avoid overloading the bus.
The receiver inputs have a true fail-safe feature, which eliminates
the need for external bias resistors and ensures a logic high
output level when the inputs are open or shorted. This guar-
antees that the receiver outputs are in a known state before
communication begins and when communication ceases.
FUNCTIONAL BLOCK DIAGRAMS
ADM3070E/
ADM3073E/
ADM3076E
RO
RE
DE
DI
VCC
A
B
Z
Y
GND
R
D
06
28
5-
0
01
Figure 1.
ADM3071E/
ADM3074E/
ADM3077E
RO
DI
VCC
A
B
Z
Y
GND
R
D
0
62
85
-0
02
Figure 2.
ADM3072E/
ADM3075E/
ADM3078E
RO
RE
DE
DI
VCC
A
B
GND
D
R
06
285
-00
3
Figure 3.
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ADM3073EARZ-REEL7 功能描述:IC TXRX RS485 3.3V FD 14-SOIC RoHS:是 類(lèi)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:121 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
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ADM3073EYRZ-REEL7 功能描述:IC TXRX RS485 3.3V FD 14-SOIC RoHS:是 類(lèi)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:121 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
ADM3074E 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
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