參數(shù)資料
型號： LTC2854IDD#TRPBF
廠商： Linear Technology
文件頁數(shù)： 1/16頁
文件大?。?/td> 0K
描述： IC TXRX RS485/RS422 10-DFN
標準包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 10-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 10-DFN（3x3）
包裝： 帶卷 (TR)
LTC2854/LTC2855
1
285455fb
FEATURES
DESCRIPTION
APPLICATIONS
TYPICAL APPLICATION
PRODUCT SELECTION GUIDE
3.3V 20Mbps RS485/RS422
Transceivers with Integrated
Switchable Termination
The LTC2854 and LTC2855 are low power, 20Mbps
RS485/RS422 transceivers operating on 3.3V supplies.
The receiver includes a logic-selectable 120Ω termina-
tion, one-eighth unit load supporting up to 256 nodes per
bus (C, I-Grade), and a failsafe feature that guarantees a
high output state under conditions of oating or shorted
inputs.
The driver maintains a high output impedance over the
entire common mode range when disabled or when the
supply is removed. Excessive power dissipation caused by
bus contention or a fault is prevented by current limiting
all outputs and by a thermal shutdown.
Enhanced ESD protection allows the LTC2854 to withstand
±25kV (human body model) and the LTC2855 to withstand
±15kV on the transceiver interface pins without latchup
or damage.
■
Low Power RS485/RS422 Transceiver
■
Level Translator
■
Backplane Transceiver
■
Integrated, Logic-Selectable 120Ω Termination
Resistor
■
3.3V Supply Voltage
■
20Mbps Maximum Data Rate
■
No Damage or Latchup Up to ±25kV HBM
■
High Input Impedance Supports 256 Nodes
(C, I-Grade)
■
Operation Up to 125°C (H-Grade)
■
Guaranteed Failsafe Receiver Operation Over the
Entire Common Mode Range
■
Current Limited Drivers and Thermal Shutdown
■
Delayed Micropower Shutdown: 5μA Maximum
(C, I-Grade)
■
Power Up/Down Glitch-Free Driver Outputs
■
Low Operating Current: 370μA Typical in
Receive Mode
■
Compatible with TIA/EIA-485-A Specications
■
Available in 10-Pin 3mm × 3mm DFN, 12-Pin
4mm × 3mm DFN and 16-Pin SSOP Packages
LTC2854 at 20Mbps into 54Ω
PART NUMBER
DUPLEX
PACKAGE
LTC2854
HALF
DFN-10
LTC2855
FULL
SSOP-16, DFN-12
RE
TE
RO
DE
DI
R
D
285455 TA01
LTC2854
120Ω
RE
RO
TE
DE
DI
R
D
LTC2854
120Ω
RE
RO
TE DE
DI
R
D
LTC2854
120Ω
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
20ns/DIV
2V/DIV
285455 TA01b
A-B
B
A
DI
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參數(shù)描述
LTC2855CDE#PBF 功能描述:IC TXRX RS485/RS422 12-DFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動器/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
LTC2855CDE#TRPBF 功能描述:IC TXRX RS485/RS422 12-DFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
LTC2855CGN#PBF 功能描述:IC TXRX RS485/RS422 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動器/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
LTC2855CGN#PBF 制造商:Linear Technology 功能描述:TRANSCEIVER, 20MBPS, 3.3V, SSOP-16
LTC2855CGN#TRPBF 功能描述:IC TXRX RS485/RS422 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
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