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MAX3057

更新时间: 2024-11-16 14:57:35
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 1834K
描述
±80V故障保护、2Mbps、低电源电流CAN收发器

MAX3057 数据手册

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MAX3050/MAX3057  
±80V Fault-Protected, 2Mbps, Low-Supply  
Current CAN Transceivers  
General Description  
Features  
±80V Fault Protection for 42V Systems  
The MAX3050 and MAX3057 interface between the  
CAN protocol controller and the physical wires of the bus  
lines in a control area network (CAN). They are primarily  
intended for systems requiring data rates up to 2Mbps  
and feature ±80V fault protection against shorts in high-  
voltage power buses. They provide differential transmit  
capability to the bus and differential receive capability to  
the CAN controller.  
Four Operating Modes:  
• High-Speed Operation Up to 2Mbps  
• Slope-Control Mode to Reduce EMI  
(40kbps to 500kbps)  
• Standby Mode  
• Low-Current Shutdown Mode  
AutoShutdown when Device is Inactive (MAX3050)  
Automatic Wake-Up from Shutdown (MAX3050)  
Thermal Shutdown  
The MAX3050 and MAX3057 have four modes of operation:  
high speed, slope control, standby, and shutdown. High-  
speed mode allows data rates up to 2Mbps. In slope-control  
mode, data rates are 40kbps to 500kbps, so the effects of  
EMI are reduced, and unshielded twisted or parallel cable  
can be used. In standby mode, the transmitters are shut off  
and the receivers are put into low-current mode. In shutdown  
mode, the transmitter and receiver are switched off.  
Current Limiting  
Fully Compatible with the ISO 11898 Standard  
Ordering Information  
PART  
MAX3050ASA  
MAX3057ASA  
TEMP RANGE  
PIN-PACKAGE  
The MAX3050 has an AutoShutdown™ function that puts  
the device into a 15ms shutdown mode when the bus or  
CAN controller is inactive for 4ms or longer.  
-40°C to +125°C 8 SO  
-40°C to +125°C 8 SO  
The MAX3050 and MAX3057 are available in an 8-pin  
SO package and are specified for operation from -40°C  
to +125°C.  
Pin Configuration  
TOP VIEW  
TXD  
1
8
7
6
5
RS  
Applications  
GND  
2
3
4
CANH  
CANL  
SHDN  
HVAC Controls  
MAX3050  
MAX3057  
Telecom 72V systems  
V
CC  
RXD  
AutoShutdown is a trademark of Maxim Integrated Products, Inc.  
SO  
Typical Operating Circuit  
V
CC  
120  
0.1µF  
V
CAN  
CONTROLLER  
CANH  
MAX3050  
MAX3057  
CANL  
CC  
TX0  
RX0  
TXD  
RXD  
(100nF)  
SHDN  
30pF  
RS  
GND  
GND  
120Ω  
24kTO 180kΩ  
( ) ARE FOR 3050 ONLY.  
19-2670; Rev 1; 6/14  

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