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參數資料
| 型號： | LTC2855CDE#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485/RS422 12-DFN |
| 標準包裝： | 91 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 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： | 12-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 12-DFN（4x3） |
| 包裝： | 管件 |
| 產品目錄頁面： | 1355 (CN2011-ZH PDF) |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC2855CGN#PBF | 功能描述:IC TXRX RS485/RS422 16-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)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(fā)器 驅動器/接收器數: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） 供應商設備封裝: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 驅動器/接收器數: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 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| LTC2855CGNPBF | 制造商:Linear Technology 功能描述:3.3V RS485 Trasncevier LTC2855 |
| LTC2855HDE#PBF | 功能描述:IC TXRX RS485/RS422 12-DFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)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(fā)器 驅動器/接收器數: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） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
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