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参数资料
| 型号： | LTC2855IGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/RS422 16-SSOP |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
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| LTC2856CDD-1#PBF | 功能描述:IC TXRX RS485/RS422 8-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC2856CDD-1#TRPBF | 功能描述:IC TXRX RS485/RS422 8-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC2856CDD-2#PBF | 功能描述:IC TXRX RS485/RS422 8-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC2856CDD-2#TRPBF | 功能描述:IC TXRX RS485/RS422 8-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC2856CMS8-1#PBF | 功能描述:IC TXRX RS485/RS422 8-MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP（0.209"，5.30mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2 |
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