Datasheet > LTC1480

LTC1480

更新时间： 2024-11-14 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	150K
描述
3.3V 超低功率 RS485 收发器

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中文翻译

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LTC1480 数据手册

LTC1480

3.3V Ultralow Power

RS485 Transceiver

DESCRIPTIO

FEATURES

The LTC^®1480 is an ultralow 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= 600µA Max with Driver Enabled, No Load

■

1µA Quiescent in Shutdown Mode

–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

inputs are left open.

■

Pin Compatible with the LTC485

Available in 8-Lead DIP and SO Packages

APPLICATIO S

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.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Driver Differential

Output Voltage vs Output Current

3.5

3.3V RS485 Network

3.3V

= 3.3V

= 25°C

LTC1480

3.0

2.5

SHIELD

120Ω

2.0

1.5

3.3V

1.0

0.5

LTC1480

10 20 30 40 50

OUTPUT CURRENT (mA)

60 70 80

1480 TA01

RO RE DE DI

1480 TA02

1480fa

12 3 4 5 6 7 8

中文翻译

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与LTC1480相关器件

型号	品牌	获取价格	描述	数据表
LTC1480C	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480CN8	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480CN8#PBF	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: PDIP; Pins: 8; Temperature Range
LTC1480CN8#TR	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, PLASTIC, DIP-8, Line Driver or Receiver
LTC1480CN8#TRPBF	Linear	获取价格	IC LINE TRANSCEIVER, PDIP8, 0.300 INCH, LEAD FREE, PLASTIC, DIP-8, Line Driver or Receiver
LTC1480CS8	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver
LTC1480CS8#PBF	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: SO; Pins: 8; Temperature Range:
LTC1480CS8#TR	Linear	获取价格	LTC1480 - 3.3V Ultralow Power RS485 Transceiver; Package: SO; Pins: 8; Temperature Range:
LTC1480CS8#TRPBF	Linear	获取价格	暂无描述
LTC1480I	Linear	获取价格	3.3V Ultra-Low Power RS485 Transceiver

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