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LTC2850CDD PDF预览

LTC2850CDD

更新时间: 2024-11-06 05:43:51
品牌 Logo 应用领域
凌特 - Linear 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
16页 188K
描述
3.3V 20Mbps RS485/RS422 Transceivers

LTC2850CDD 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:SON
包装说明:HVSON, SOLCC8,.11,20针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.05
Is Samacsys:N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:S-PDSO-N8JESD-609代码:e0
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
最小输出摆幅:2 V最大输出低电流:0.004 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC8,.11,20封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):235
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:0.8 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:Tin/Lead (Sn/Pb)端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20最大传输延迟:50 ns
宽度:3 mmBase Number Matches:1

LTC2850CDD 数据手册

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LTC2850/LTC2851/LTC2852  
3.3V 20Mbps RS485/RS422  
Transceivers  
FEATURES  
DESCRIPTION  
The LTC®2850, LTC2851, and LTC2852 are low power,  
20Mbps RS485/RS422 transceivers operating on 3.3V  
supplies.Thereceiverhasaone-eighthunitloadsupporting  
up to 256 nodes per bus (C, I-Grade), and a failsafe feature  
that guarantees a high output state under conditions of  
floating or shorted inputs.  
n
3.3V Supply Voltage  
n
20Mbps Maximum Data Rate  
n
No Damage or Latchup Up to ±±5ꢀV ꢁHM  
ꢁigh Input Impedance Supports 256 Nodes  
n
(C, I-Grade)  
Operation Up to ±25°C (ꢁ-Grade)  
n
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 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
Enhanced ESD protection allows these parts to withstand  
up to 15kV (human body model) on the transceiver  
interface pins without latchup or damage.  
Low Operating Current: 370μA Typical in Receive  
Mode  
n
Compatible with TIA/EIA-485-A Specifications  
n
Available in 8-Pin and 10-Pin 3mm × 3mm DFN,  
PART NUMHER  
LTC2850  
DUPLEX  
Half  
PACKAGE  
8-Pin and 10-Pin MSOP, and 8-Pin and 14-Pin SO  
Packages  
SO-8, MSOP-8, DFN-8  
SO-8, MSOP-8, DFN-8  
SO-14, MSOP-10, DFN-10  
LTC2851  
Full  
LTC2852  
Full  
APPLICATIONS  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
n
Low Power RS485/RS422 Transceiver  
n
Level Translator  
n
Backplane Transceiver  
TYPICAL APPLICATION  
LTC2850 at 20Mbps Into 54Ω  
LTC2850  
RO1  
V
CC1  
R
RE1  
DE1  
DI1  
DI  
R
R
T
A
D
GND1  
B
2V/DIV  
A-B  
LTC2850  
R
T
RO2  
RE2  
DE2  
DI2  
V
CC2  
285012 TA01b  
20ns/DIV  
D
GND2  
285012 TA01a  
285012fc  
1

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