Datasheet > LTC1480I

LTC1480I

更新时间： 2024-11-12 22:57:35

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	232K
描述
3.3V Ultra-Low Power RS485 Transceiver

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中文翻译

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LTC1480I 数据手册

LTC1480

3.3V Ultra-Low Power

RS485 Transceiver

DESCRIPTIO

EATURE

The LTC^®1480 is an ultra-low power differential line trans-

ceiver which provides full RS485 compatibility while oper-

ating from a single 3.3V supply. It is designed for data

transmission standard RS485 applications with extended

common-mode range (12V to –7V). It also meets the

requirements of RS422 and features high speed operation

up to 2.5Mb/s. The CMOS design offers significant power

savings without sacrificing ruggedness against overload

or ESD damage. Typical quiescent current is only 300µA

while operating and 1µA in shutdown.

■

True RS485 from a Single 3.3V Supply

Low Power: I_CC= 500µA Max with Driver Disabled

I_CC= 600

µA Max with Driver Enabled, No Load

1µ

A Quiescent in Shutdown Mode

ESD Protection to

Driver Outputs

±10kV on Receiver Inputs and

■

–7V to 12V Common-Mode Range Permits ±7V

Ground Difference Between Devices on the Data Line

Thermal Shutdown Protection

Power Up/Down Glitch-Free Driver Outputs Permit

Live Insertion or Removal of Transceiver

Driver Maintains High Impedance in Three-State or

with the Power Off

Up to 32 Transceivers on the Bus

50ns Typical Driver Propagation Delays with

10ns Skew

■

The driver and receiver feature three-state outputs, with

the driver outputs maintaining high impedance over the

entire common-mode range. Excessive power dissipation

caused by bus contention or faults is prevented by a

thermal shutdown circuit which forces the driver outputs

into a high impedance state. The receiver has a fail-safe

feature which guarantees a high output state when the

inputsareleftopen. I/Opinsareprotectedagainstmultiple

ESD strikes of up to ±10kV.

■

Pin Compatible with the LTC485

O U

PPLICATI

■

The LTC1480 is fully specified over the commercial and

extended industrial temperature range. The LTC1480 is

available in 8-pin SO and DIP packages.

Battery-Powered RS485/RS422 Applications

Low Power RS485/RS422 Transceiver

Level Translator

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATI

Driver Differential

Output Voltage vs Output Current

3.3V RS485 Network

3.3V

3.5

LTC1480

= 3.3V

= 25°C

3.0

SHIELD

2.5

120Ω

2.0

1.5

3.3V

1.0

0.5

LTC1480

10 20 30 40 50

OUTPUT CURRENT (mA)

60 70 80

LTC1480 • TA01

RO RE DE D1

LTC1480 • TA02

12 3 4 5 6 7 8

中文翻译

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与LTC1480I相关器件

型号	品牌	获取价格	描述	数据表
LTC1480IN8	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480IN8#PBF	Linear	获取价格	暂无描述
LTC1480IN8#TR	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Line Driver or Receiver
LTC1480IN8#TRPBF	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8, Line Driver or Receiver
LTC1480IS8	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480IS8#PBF	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: SO; Pins: 8; Temperature Range:
LTC1480IS8#TR	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: SO; Pins: 8; Temperature Range:
LTC1480IS8#TRPBF	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: SO; Pins: 8; Temperature Range:
LTC1481	Linear	获取价格	Ultra-Low Power RS485 Transceiver with Shutdown
LTC1481	ADI	获取价格	具停机功能的超低功率 RS485 收发器

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