Datasheet > DS2482-800_12

DS2482-800_12

更新时间： 2022-10-27 16:29:57

品牌	Logo	应用领域
美信 - MAXIM		控制器
页数	文件大小	规格书
23页	388K
描述
8-Channel 1-Wire Master

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DS2482-800_12 数据手册

DS2482-800: 8-Channel 1-Wire Master

ABSOLUTE MAXIMUM RATINGS

Voltage on Any Pin Relative to Ground

Maximum Current Into Any Pin

Operating Temperature Range

Junction Temperature

-0.5V, +6V

20mA

-40°C to +85°C

+150°C

Storage Temperature Range

Lead Temperature (soldering, 10s)

Soldering Temperature (reflow)

-55°C to +125°C

+300°C

+260°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

(V_CC= 2.9V to 5.5V, T_A= -40°C to +85°C, unless otherwise noted.)

PARAMETER

Supply Voltage

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

3.3V

2.9

4.5

3.3

5.0

3.7

5.5

0.75

V_CC

I_CC

Operating Current

1-Wire Input High

(Note 1)

3.3V (Notes 2, 3)

5V (Notes 2, 3)

3.3V (Notes 2, 3)

5V (Notes 2, 3)

1.9

3.4

V_IH1

0.75

1.0

1-Wire Input Low

V_IL1

1-Wire Weak Pullup Resistor

1-Wire Output Low

R_WPU

V_OL1

(Note 4)

800

1675



At 4mA load

Standard (Notes 4, 16)

0.4

2.7

0.6

2.3

0.4

2.5

0.5

Active Pullup On Time

t_APUOT

µs

Overdrive (Notes 4, 16)

0.3

0.5

V_CC 3.2V, 1.5mA load

V_CC 5.2 V, 3mA load

Strong Pullup Voltage Drop

V_STRPU

4.2

22.1

6.5

Standard (3.3V 10%)

Overdrive (3.3V 10%)

Standard (5.0V 10%)

Overdrive (5.0V 10%)

Standard (3.3V 10%)

Overdrive (3.3V 10%)

Standard (5.0V 10%)

Overdrive (5.0V 10%)

3.3V Pulldown Slew Rate

(Note 6)

PD_SRC

PU_SRC

V/µs

5V Pulldown Slew Rate

(Note 6)

0.8

2.7

1.3

3.4

3.3V Pullup Slew Rate (Note 6)

5V Pullup Slew Rate (Note 6)

Power-On Reset Trip Point

PU_SRC

V_POR

V/µs

2.2

1-Wire TIMING (Note 15) See Figures 4, 5, and 6

Standard

7.6

0.9

8.4

1.1

Write 1/Read Low Time

Read Sample Time

1-Wire Time Slot

t_W1L

t_MSR

t_slot

µs

Overdrive

Standard

13.3

1.4

Overdrive

1.5

69.3

10.5

1.8

Standard

65.8

9.9

72.8

11.0

3.0

Overdrive

3.3V to 0V (Note 5)

0.54

Fall Time High-to-Low at

Standard Speed (Note 6)

5.0V to 0V (Note 5)

3.3V to 0V (Note 5)

5.0V to 0V (Note 5)

0.55

0.10

0.09

2.2

0.59

0.44

t_F1

µs

Fall Time High-to-Low at

Overdrive Speed (Note 6)

2 of 23

123 4 5 6 7...23

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