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LTM2882CV-3PBF PDF预览

LTM2882CV-3PBF

更新时间： 2024-02-04 03:11:06
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 274K
描述
Dual Isolated RS232 μModule Transceiver + Power

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中文翻译

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LTM2882CV-3PBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：LGA包装说明：LGA, LGA32,8X11,50
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：4.03Is Samacsys：N
差分输出：NO驱动器位数：2
输入特性：SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-232-F; TIA-232-FJESD-30 代码：R-PBGA-N32
JESD-609代码：e4长度：15 mm
湿度敏感等级：3功能数量：2
端子数量：32最高工作温度：70 °C
最低工作温度：最小输出摆幅：10 V
最大输出低电流：0.004 A封装主体材料：PLASTIC/EPOXY
封装代码：LGA封装等效代码：LGA32,8X11,50
封装形状：RECTANGULAR封装形式：GRID ARRAY
峰值回流温度（摄氏度）：245电源：3.3 V
认证状态：Not Qualified最大接收延迟：400 ns
接收器位数：2座面最大高度：2.95 mm
子类别：Line Driver or Receivers最大压摆率：30 mA
最大供电电压：5.5 V最小供电电压：1.62 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：Gold (Au)端子形式：NO LEAD
端子节距：1.27 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：30最大传输延迟：500 ns
宽度：11.25 mmBase Number Matches：1

LTM2882CV-3PBF 数据手册

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Electrical Specifications Subject to Change  
LTM2882  
Dual Isolated RS232  
µModule Transceiver + Power  
FEATURES  
DESCRIPTION  
The LTM®2882 is a complete galvanically isolated dual  
RS232μModule®transceiver. Noexternalcomponentsare  
required. A single 3.3V or 5V supply powers both sides  
of the interface through an integrated, isolated DC/DC  
converter. A logic supply pin allows easy interfacing with  
different logic levels from 1.62V to 5.5V, independent of  
the main supply.  
n
Isolator μModule Technology  
n
Isolated Dual RS232 Transceiver: 2500V  
RMS  
n
Integrated Isolated DC/DC Converter:  
1W, 65% Efficiency  
No External Components Required  
n
n
1.62V to 5.5V Logic Supply for Flexible Digital  
Interface  
n
High Speed Operation  
Coupled inductors and an isolation power transformer  
1Mbps for 250pF/3kΩ Load  
provide2500V  
ofisolationbetweenthelinetransceiver  
RMS  
250kbps for 1nF/3kΩ Load  
and the logic interface. This device is ideal for systems  
with different grounds, allowing for large common mode  
voltages. Uninterrupted communication is guaranteed for  
common mode transients greater than 30kV/ꢀs.  
100kbps for 2.5nF/3kΩ TIA/EIA-232-F Load  
3.3V ꢁLTM2882-3ꢂ or 5V ꢁLTM2882-5ꢂ Operation  
No Damage or Latchup to 10kV ESD ꢃHM on  
Isolated RS232 Interface or Across Isolation Harrier  
ꢃigh Common Mode Transient Immunity: 30kV/ꢀs  
Common Mode Working Voltage: 560V  
True RS232 Compliant Output Levels  
n
n
n
n
n
n
This part is compatible with the TIA/EIA-232-F standard.  
Driver outputs are protected from overload and can be  
shorted to ground or up to 15V without damage. An  
auxiliary isolated digital channel is available. This channel  
allows configuration for half-duplex operation by control-  
ling the DE pin.  
PEAK  
Small Low Profile ꢁ15mm × 11.25mm × 2.8mmꢂ  
Surface Mount LGA Package  
APPLICATIONS  
Enhanced ESD protection allows this part to withstand up  
to 10kVꢁhumanbodymodelꢂonthetransceiverinterface  
pins to isolated supplies and across the isolation barrier  
to logic supplies without latchup or damage.  
n
Isolated RS232 Interface  
n
Industrial Communication  
Test and Measurement Equipment  
n
L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks of  
n
Hreaking RS232 Ground Loops  
Linear Technology Corporation. All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Isolated Dual RS232 μModule Transceiver  
1Mbps Operation  
3.3V ꢁLTM2882-3ꢂ  
5V ꢁLTM2882-5ꢂ  
TIN  
5V/DIV  
V
V
CC  
LTM2882  
L
V
5V  
CC2  
DE  
AVAILAHLE CURRENT:  
150mA ꢁLTM2882-5ꢂ  
100mA ꢁLTM2882-3ꢂ  
OFF ON  
ON  
T1OUT/R1IN  
10V/DIV  
DIN  
DOUT  
T1OUT  
R1IN  
T2OUT/R2IN  
T1IN  
R1OUT  
5V/DIV  
R2OUT  
R1OUT  
T2IN  
T2OUT  
R2IN  
2882 TA01b  
400ns/DIV  
R2OUT  
DRIVER OUTPUTS TIED TO RECEIVER INPUTS  
TOUT LOAD = 250pF + RIN  
ROUT LOAD = 150pF  
GND  
GND2  
2882 TA01a  
2882p  
1
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中文翻译

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