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LTC2855CGN#PBF PDF预览

LTC2855CGN#PBF

更新时间: 2024-01-01 09:18:03
品牌 Logo 应用领域
凌特 - Linear 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
18页 357K
描述
LTC2855 - 3.3V 20Mbps RS485/RS422 Transceiver with Integrated Switchable Termination; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C

LTC2855CGN#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP16,.25
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:2.85差分输出:YES
驱动器位数:1输入特性:DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型:LINE TRANSCEIVER接口标准:EIA-485-A; TIA-485-A
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:4.8895 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:70 °C最低工作温度:
最小输出摆幅:1.5 V封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3 V
认证状态:Not Qualified最大接收延迟:70 ns
接收器位数:1座面最大高度:1.75 mm
子类别:Line Driver or Receivers最大供电电压:3.6 V
最小供电电压:3 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
最大传输延迟:50 ns宽度:3.899 mm
Base Number Matches:1

LTC2855CGN#PBF 数据手册

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LTC2854/LTC2855  
3.3V 20Mbps RS485/RS422  
Transceivers with Integrated  
Switchable Termination  
FEATURES  
DESCRIPTION  
The LTC®2854 and LTC2855 are low power, 20Mbps  
RS485/RS422 transceivers operating on 3.3V supplies.  
Thereceiverincludesalogic-selectable120Ωtermination,  
one-eighth unit load supporting up to 256 nodes per bus  
(C-, I-Grade), and a failsafe feature that guarantees a high  
outputstateunderconditionsoffloatingorshortedinputs.  
n
Integrated, Logic-Selectable 120Ω Termination Resistor  
n
3.3V Supply Voltage  
n
20Mbps Maximum Data Rate  
No Damage or Latchup Up to 2ꢀ5V ꢁHM  
n
n
ꢁigh Input Impedance Supports 2ꢀ6 Nodes (C-, I-Grade)  
n
Operation Up to 12ꢀ°C (ꢁ-Grade)  
n
Guaranteed Failsafe Receiver Operation Over the  
The driver maintains a high output impedance over the  
entire common mode range when disabled or when the  
supplyisremoved.Excessivepowerdissipationcausedby  
bus contention or a fault is prevented by current limiting  
all outputs and by a thermal shutdown.  
Entire Common Mode Range  
n
Current Limited Drivers and Thermal Shutdown  
n
Delayed Micropower Shutdown: 5µA Maximum (C-, I-Grade)  
n
Power Up/Down Glitch-Free Driver Outputs  
n
Low Operating Current: 370µA Typical in Receive Mode  
n
n
EnhancedESDprotectionallowstheLTC2854towithstand  
25kV(humanbodymodel)andtheLTC2855towithstand  
15kV on the transceiver interface pins without latchup  
or damage.  
Compatible with TIA/EIA-485-A Specifications  
Available in 10-Pin 3mm × 3mm DFN, 12-Pin  
4mm × 3mm DFN and 16-Pin SSOP Packages  
APPLICATIONS  
n
Low Power RS485/RS422 Transceiver  
PRODUCT SELECTION GUIDE  
n
Level Translator  
PART NUMHER  
DUPLEX  
PACKAGE  
n
Backplane Transceiver  
LTC2854  
HALF  
DFN-10  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
LTC2855  
FULL  
SSOP-16, DFN-12  
TYPICAL APPLICATION  
LTC28ꢀ4 at 20Mbps into ꢀ4  
Ω
LTC2854  
LTC2854  
RO  
RE  
TE  
R
R
RO  
RE  
TE  
120Ω  
DE  
DE  
120Ω  
D
D
DI  
DI  
2V/DIV  
285455 TA01  
LTC2854  
120Ω  
285455 TA01b  
R
20ns/DIV  
D
RO RE TE DE DI  
285455fc  
1
For more information www.linear.com/LTC2854  

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