Datasheet > DS1099U-NQ

DS1099U-NQ

更新时间： 2023-03-15 00:00:00

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
6页	78K
描述
Oscillator,

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数据手册

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DS1099U-NQ 数据手册

Lo w -Fre q u e n c y Du a l Ec o n Os c illa t o r

AC ELECTRICAL CHARACTERISTICS

(V = +2.7V to +5.5V, T = -40°C to +85°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Master Oscillator Frequency

Nominal Output Frequency

Output Frequency Tolerance

1.048

MHz

MOSC

OUT0,

0.25

-1.0

1,048,000

+1.0

OUT1

∆f

= +25°C, V = 4.1V

ppm/V

OUT

= +25°C

3300

Voltage Frequency Variation

(Note 3)

∆f

OUT

2.7V to 5.5V, T = +25°C

-2.0

-100

+2.5

+100

Temperature Frequency Variation

Output Duty Cycle

∆f

(Notes 3, 4)

ppm/°C

OUT

Power-Up Time

(Note 5)

Output Rise/Fall Time

t , t

C = 15pF (both)

Note 1:

Note 2:

All voltages referenced to ground.

Active supply current combines the standby current with the output current. The output current is defined by

I = (C + 12pF ) x V x f for each output when enabled.

LOAD

OUT

Note 3:

Note 4:

Note 5:

This is the change observed in output frequency due to changes in temperature or voltage.

This parameter is guaranteed by design.

This indicates the time between power-up and the outputs becoming active.

Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s

(V = +5.0V, T = +25°C, unless otherwise noted.)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY CURRENT vs. TEMPERATURE

SUPPLY CURRENT vs. OUTPUT LOAD

= 15pF, T = +25°C

V = 5.5V, C = 15pF

CC L

(BOTH OUTPUTS LOADED EQUALLY), T = +25°C

1.2

700

600

500

400

300

200

100

700

600

500

400

300

200

100

1.0

OUT0 = OUT1 = 1MHz

= 5.5V

0.8

0.6

0.4

0.2

= 4.0V

OUT0 =1MHz,

OUT1 = 0.25Hz

OUT0 =1MHz,

OUT1 = 0.25Hz

= 2.7V

OUT0 = OUT1 = 0.25Hz

-40

-15

2.7

3.4

4.1

4.8

5.5

C (pF)

TEMPERATURE (°C)

SUPPLY VOLTAGE (V)

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1 234 5 6

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