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LTC2856HMS8-2 PDF预览

LTC2856HMS8-2

更新时间: 2024-01-10 05:07:25
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 231K
描述
20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers

LTC2856HMS8-2 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:TSSOP,
针数:8Reach Compliance Code:compliant
风险等级:5.38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; EIA-422
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
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:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260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:1.1 mm最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:YES温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 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:1500 ns
宽度:3 mmBase Number Matches:1

LTC2856HMS8-2 数据手册

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LTC2856-1/LTC2856-2  
LTC2857-1/LTC2857-2  
LTC2858-1/LTC2858-2  
20Mbps and Slew Rate  
Limited 15kV RS485/RS422  
Transceivers  
FEATURES  
DESCRIPTION  
The LTC®2856-1, LTC2856-2, LTC2857-1, LTC2857-2,  
LTC2858-1 and LTC2858-2 are low power, RS485/RS422  
transceivers operating on 5V supplies at maximum data  
rates of 20Mbps or 250kbps for low EMI. The receiver has  
a 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 floating or shorted  
inputs.  
20Mbps or Low EMI 250kbps Maximum Data Rate  
No Damage or Latchup to ESD: ±±5kꢀ ꢁHM  
ꢁigh Input Impedance Supports 256 Nodes  
(C, I-Grade)  
Operation Up to ±25°C (ꢁ-Grade)  
Guaranteed Failsafe Receiver Operation Over the  
Entire Common Mode Range  
Current Limited Drivers and Thermal Shutdown  
Delayed Micropower Shutdown: 5μA Maximum  
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.  
(C, I-Grade)  
Power Up/Down Glitch-Free Driver Outputs  
Low Operating Current: 900μA Maximum in Receive  
Mode  
Compatible with TIA/EIA-485-A Specifications  
Enhanced ESD protection allows these parts to withstand  
15kV (human body model) on the transceiver interface  
pins without latchup or damage.  
Available in 8-Lead and 10-Lead 3mm × 3mm DFN  
and 8-Lead and 10-Lead MSOP Packages  
PART  
MAX DATA  
APPLICATIONS  
NUMHER  
RATE (Mbps)  
DUPLEX  
Half  
PACKAGE  
Low Power RS485/RS422 Transceiver  
LTC2856-1  
LTC2856-2  
LTC2857-1  
LTC2857-2  
LTC2858-1  
LTC2858-2  
20  
0.25  
20  
MSOP-8, DFN-8  
MSOP-8, DFN-8  
MSOP-8, DFN-8  
MSOP-8, DFN-8  
MSOP-10, DFN-10  
MSOP-10, DFN-10  
Level Translator  
Half  
Backplane Transceiver  
Full  
0.25  
20  
Full  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Full  
0.25  
Full  
TYPICAL APPLICATION  
LTC2858-± at 20Mbps  
LTC2856-1  
RO1  
V
CC1  
R
DI  
Y
RE1  
DE1  
DI1  
R
R
T
D
GND1  
Z
LTC2856-1  
R
Y-Z  
T
RO2  
RE2  
DE2  
DI2  
V
CC2  
D
GND2  
2856 TA01b  
20ns/DIV  
285678 TA01a  
285678fe  
1

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