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SN65HVD34 PDF预览

SN65HVD34

更新时间: 2024-11-26 22:53:35
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德州仪器 - TI 驱动器
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描述
3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS

SN65HVD34 数据手册

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SN65HVD30-SN65HVD35  
SN65HVD36-SN65HVD39  
www.ti.com  
SLLS665SEPTEMBER 2005  
3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS  
Each driver and receiver has separate input and  
output pins for full-duplex bus communication  
designs. They are designed for balanced  
transmission lines and interoperation with ANSI  
TIA/EIA-485A, TIA/EIA-422-B, ITU-T v.11 and ISO  
8482:1993 standard-compliant devices.  
FEATURES  
1/8 Unit-Load Option Available (Up to 256  
Nodes on the Bus)  
Bus-Pin ESD Protection Exceeds 15 kV HBM  
Optional Driver Output Transition Times for  
Signaling Rates (1) of 1 Mbps, 5 Mbps and 25  
Mbps  
The SN65HVD30, SN65HVD31, SN65HVD32,  
SN65HVD36 and SN65HVD37 are fully enabled with  
no external enabling pins. The SN65HVD36 and  
Low-Current Standby Mode: < 1 µA  
SN65HVD37  
implement  
receiver  
equalization  
Glitch-Free Power-Up and Power-Down  
Protection for Hot-Plugging Applications  
technology for improved performance in long distance  
applications.  
5V Tolerant Inputs  
The SN65HVD33, SN65HVD34, SN65HVD35,  
SN65HVD38, and SN65HVD39 have active-high  
driver enables and active-low receiver enables. A  
very low, less than 1 µA, standby current can be  
achieved by disabling both the driver and receiver.  
The SN65HVD38 and SN65HVD39 implement  
receiver equalization technology for improved  
performance in long distance applications.  
Bus Idle, Open, and Short Circuit Failsafe  
Meets or exceeds the requirements of ANSI  
TIA/EIA-485-A and RS-422 Compatible  
5-V Devices available, SN65HVD50-59  
APPLICATIONS  
Utility Meters  
DTE/DCE Interfaces  
Industrial, Process, and Building Automation  
Point-of-Sale (POS) Terminals and Networks  
All devices are characterized for operation from -40°C  
to +85°C.  
The SN65HVD36 and SN65HVD38 implement  
receiver equalization technology for improved jitter  
performance on differential bus applications with data  
rates up to 20 Mbps at cable lengths up to 160  
meters.  
DESCRIPTION  
The SN65HVD3X devices are 3-state differential line  
drivers and differential-input line receivers that  
operate with 3.3-V power supply.  
The SN65HVD37 and SN65HVD39 implement  
receiver equalization technology for improved jitter  
performance on differential bus applications with data  
rates in the range of 1 to 5 Mbps at cable lengths up  
to 1000 meters.  
(1) The signaling rate of a line is the number of voltage  
transitions that are made per second expressed in the units  
bps (bits per second).  
IMPROVED REPLACEMENT FOR:  
Part Number  
Replace with  
xxx3491  
SN65HVD33:  
Better ESD protection (15kV vs 2kV or not specified) Higher Signaling  
Rate (25Mbps vs 20Mbps) Fractional Unit Load (64 Nodes vs 32)  
MAX3491E  
MAX3076E  
MAX3073E  
MAX3070E  
SN65HVD33:  
SN65HVD33:  
SN65HVD34:  
SN65HVD35:  
Higher Signaling Rate (25Mbps vs 12Mbps) Fractional Unit Load  
(64 Nodes vs 32)  
Higher Signaling Rate (25Mbps vs 16Mbps) Lower Standby Current  
(1 µA vs 10 µA)  
Higher Signaling Rate (5Mbps vs 500kbps) Lower Standby Current  
(1 µA vs 10 µA)  
Higher Signaling Rate (1Mbps vs 250kbps) Lower Standby Current  
(1 µA vs 10 µA)  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
UNLESS OTHERWISE NOTED this document contains  
Copyright © 2005, Texas Instruments Incorporated  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

SN65HVD34 替代型号

型号 品牌 替代类型 描述 数据表
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