Datasheet > 驱动程序和接口 > 线路驱动器或接收器> DS2480S

DS2480S

更新时间： 2024-02-25 11:10:32

品牌	Logo	应用领域
达拉斯 - DALLAS		驱动器
页数	文件大小	规格书
26页	189K
描述
Serial 1.Wire Line Driver

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数据手册

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DS2480S 数据手册

DS2480

ABSOLUTE MAXIMUM RATINGS*

Voltage on 1–W to Ground

Voltage on RXD, TXD, POL to Ground

Operating Temperature

Storage Temperature

Soldering Temperature

–0.5V to +14.0V

–0.5V to +7.0V

–40°C to +85°C

–55°C to +125°C

260°C for 10 seconds

* This is a stress rating only and functional operation of the device at these or any other conditions above those

indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods of time may affect reliability.

DC ELECTRICAL CHARACTERISTICS

(V_DD= 4.5V to 5.5V;–40°C to 85°C)

PARAMETER

SYMBOL

MIN

4.5

TYP

MAX

5.5

UNITS

NOTES

Supply Voltage

5.0

Programming Voltage

Operating Current

11.75

12.25

5.0

3.0

µA

Idle Current on V

Active Pull–up Timer Threshold

Active Pull–up On Threshold

1–Wire Input High

IAPTO

–1.4

–1.1

IAPO

0.95

1.2

1.8

IH1

3.4

1–Wire Input Low

IL1

TXD/POL input resistor

TXD/POL input levels

kΩ

2.7

TXD/POL input levels

0.8

5.0

WEAKPU

1–Wire weak pull–up current

1–Wire active pull–up current

1.5

3.0

ACTPU

Strong pull–up voltage drop

@ 10 mA load on 1–W

∆V

0.6

STRPU

Programming voltage drop

@ 10 mA load on 1–W

∆V

0.24

PROG

RXD sink current @ 0.4V

OLR

RXD source current @ V –0.4V

–4

OHR

Power On Reset Trip Point

VPP Sensor Trip Point

3.3

POR

9.5

PPTRIP

CAPACITANCES

PARAMETER

(t_A= 25°C)

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

TXD/POL input capacitance

1–Wire input capacitance

IN1

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