Datasheet > MAX1482

MAX1482

更新时间： 2024-11-27 14:58:07

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亚德诺 - ADI		/
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描述
20μA、1/8单位负载、限摆率、RS-485收发器

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MAX1482 数据手册

19-0367; Rev 1; 5/06

20µA, ⁄ -Unit-Load, Slew-Rate-Limited

RS-485 Transceivers

_______________General Description

____________________________Features

The MAX1482 and MAX1483 are low-power trans-

ceivers for RS-485 and RS-422 communication. Both

feature slew-rate-limited drivers that minimize EMI and

reduce reflections caused by improperly terminated

cables. Data rates are guaranteed up to 250kbps.

♦ Low 20µA Operating Current

♦ Slew-Rate Limited for Reduced EMI and

Reduced Reflections

♦ 0.1µA Low-Current Shutdown Mode

The MAX1482/MAX1483 draw only 20µA of supply cur-

rent. Additionally, they have a low-current shutdown

mode that consumes only 0.1µA. Both parts operate

from a single +5V supply.

♦ Designed for RS-485 and RS-422 Applications

♦ Operate from a Single +5V Supply

♦ -7V to +12V Common-Mode Input Voltage Range

♦ Allows up to 256 Transceivers on the Bus—

Drivers are short-circuit current limited and are protect-

ed against excessive power dissipation by thermal

shutdown circuitry that places the driver outputs into a

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

feature that guarantees a logic-high output if the input

is open circuit.

Guaranteed ( ⁄ -unit load)

♦ Current Limiting and Thermal Shutdown for

Driver Overload Protection

Ordering Information

The MAX1482 is full duplex and the MAX1483 is half

duplex. Both parts have a ⁄₈-unit-load input impedance

PKG

PART

TEMP RANGE PIN-PACKAGE

that guarantees up to 256 transceivers on the bus.

CODE

________________________Applications

MAX1482CPD

MAX1482CSD

MAX1482EPD

MAX1482ESD

MAX1483CPA

MAX1483CSA

MAX1483CUA

MAX1483EPA

MAX1483ESA

0°C to +70°C

14 PDIP

14 SO

P14-3

S14-4

P14-3

S14-4

P8-1

Low-Power RS-485/RS-422 Networks

Transceivers for EMI-Sensitive Applications

Industrial-Control Local Area Networks

Large 256-Node LANs

-40°C to +85°C 14 PDIP

-40°C to +85°C 14 SO

0°C to +70°C

8 PDIP

8 SO

S8-5

8 µMAX

U8-1

P8-1

-40°C to +85°C 8 PDIP

-40°C to +85°C 8 SO

S8-5

_________________Pin Configurations

_________Typical Operating Circuits

TOP VIEW

+5V

MAX1483

GND

DIP/SO

GND

MAX1483

NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM

DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.

TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.

MAX

MAX1482 appears at end of data sheet.

µMAX is a registered trademark of Maxim Integrated products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...14

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与MAX1482相关器件

型号	品牌	获取价格	描述	数据表
MAX1482_06	MAXIM	获取价格	20霢, 1⁄8-Unit-Load, Slew-Rate-Limited R
MAX14820	MAXIM	获取价格	IO-Link Device Transceiver
MAX14820	ADI	获取价格	IO-Link设备收发器
MAX14820ETG	MAXIM	获取价格	IO-Link Device Transceiver
MAX14820ETG+	MAXIM	获取价格	IO-Link Device Transceiver
MAX14820EVKIT	MAXIM	获取价格	IO-Link-Compliant Device Transceiver
MAX14821	MAXIM	获取价格	IO-Link Device Transceiver
MAX14821	ADI	获取价格	IO-Link收发器
MAX14821_12	MAXIM	获取价格	IO-Link Device Transceiver
MAX14821ETG	MAXIM	获取价格	IO-Link Device Transceiver

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