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LT3967 PDF预览

LT3967

更新时间: 2024-11-24 02:51:39
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
22页 1746K
描述
I2C to CAN-Physical Transceiver

LT3967 数据手册

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LT3960  
2
I C to CAN-Physical Transceiver  
FEATURES  
DESCRIPTION  
The LT®3960 is a robust high speed transceiver that  
n
Protected from Overvoltage Line Faults to 40V  
2
2
n
Up to 400kbps I C Communications  
extends a single-master I C bus through harsh or noisy  
n
4V to 60V Power Supply Range with Internal 3.3V  
Regulator  
3.3V or 5V Bus Voltage  
Extended Common Mode Range ( 36V)  
8kV HBM ESD on CAN Pins, 2kV HBM ESD on  
All Other Pins  
environments at up to 400kbps using the CAN-physical  
2
layer. One LT3960 sits near the I C master, creating from  
SCL and SDA equivalent differential buses (I2CAN) on  
two twisted pairs. At the other end of the twisted pairs, a  
second LT3960 recreates the I2C bus locally for any slave  
n
n
n
2
2
2
I C devices. A built-in 3.3V LDO powers both the I C and  
n
n
n
n
n
n
n
Current Limited Drivers with Thermal Shutdown  
Power-Up/Down Glitch Free Driver Outputs  
Low Current Shutdown Mode  
Transmit Data Dominant Timeout Function  
E- and J-Grades Available  
Available in a 10-Lead MSOP Package  
AEC-Q100 Qualification in Progress  
I CAN buses from a single input supply from 4V to 60V.  
Alternatively, the LT3960 can be powered directly from a  
3.3V or 5V supply.  
The LT3960 is available in a 10-lead MSOP package.  
All registered trademarks and trademarks are the property of their respective owners.  
APPLICATIONS  
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Industrial Networking  
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Automotive Networking  
n
Remote Sensors  
TYPICAL APPLICATION  
I2CAN Bus Link with Large Ground Loop Voltage  
Receiving I2C Traffic Across 25V  
Common-Mode Differential  
V
V
IN  
4V TO 60V  
CC  
5V  
2.2µF  
ꢀꢁA ꢂꢀꢃAꢄꢅꢆ  
V
IN  
V
IN  
ꢇꢄꢈꢁꢉꢄ  
V
CC  
3.3V  
V
CANSDAH  
CANSDAH  
V
CC  
CC  
120Ω  
120Ω  
GND1  
120Ω  
120Ω  
GND2  
2.2µF  
LT3960  
LT3960  
ꢀꢁAꢂꢃAꢀꢄꢅRꢆ  
ꢇꢈꢉꢁꢊꢈ  
10k 10k  
10k 10k  
CANSDAL  
CANSCLH  
CANSDAL  
CANSCLH  
SDA  
SCL  
SDA  
SCL  
SDA  
SCL  
SDA  
SCL  
CANSCLL  
GND  
CANSCLL  
GND  
HIGH = MASTER  
EN/MODE  
EN/MODE  
FLOAT = SLAVE  
ꢀꢁꢂꢃꢄꢀꢁꢂꢅ  
ꢅꢆꢇꢈꢂꢉꢇ  
3960 TA01  
AC GROUND  
LOOP ≤ 36V PEAK (V = 5V)  
< 25V PEAK (V = 3.3V)  
CC  
CC  
ꢀꢁꢂꢃ ꢄAꢃꢅꢆ  
ꢀꢁꢂꢃꢄꢅꢆꢇ  
ꢀꢁAꢂꢃꢄꢅꢆꢇꢃ ꢉꢊꢋꢌ  
ꢍꢆꢎꢃRꢃꢇ ꢏꢐ ꢑꢒꢈꢃRꢒAꢁ ꢁꢇꢆ ꢓꢂ ꢕ ꢉ.ꢉꢂꢖ  
ꢔꢔ  
Rev. A  
1
Document Feedback  
For more information www.analog.com  

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