Datasheet > DS1090

DS1090

更新时间： 2023-12-20 18:46:29

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亚德诺 - ADI		/
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描述
低频、扩频EconOscillator

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数据手册

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DS1090 数据手册

DS1090

Low-Frequency, Spread-Spectrum EconOscillator

AC Electrical Characteristics

= +3.0V to +5.5V, T = -40°C to +85°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Internal Master Oscillator

Frequency

4.0

8.0

MHz

MOSC

= 3.3V,

= +25°C

Output Frequency Tolerance

Voltage Frequency Variation

Temperature Frequency Variation

∆f

-3.0

-0.5

+3.0

+0.5

OUT

= +25°C, R

= 3.0V to 3.6V (Notes 2, 3)

= 60kΩ,

SET

= +25°C, R

= 4.5V to 5.5V (Notes 2, 3)

= 60kΩ,

SET

-1.25

-2.0

+1.25

+2.0

= 3.3V

(Notes 2, 3, 4)

J0 = GND, J1 = GND

J0 = V , J1 = GND

J0 = GND, J1 = V

Peak-to-Peak Dither (3σ)

(Note 5)

J0 = V , J1 = V

POR

Power-Up Time

(Note 6)

0.1

0.5

STAB

Load Capacitance

Output Duty Cycle

Output Rise/Fall Time

(Note 7)

4MHz to 8MHz, T = +25°C (Note 3)

<4MHz (Note 4)

t , t

C = 15pF

Note 1: All voltages referenced to ground.

Note 2: This is the change observed in output frequency due to changes in temperature or voltage.

Note 3: See the Typical Operating Characteristics section.

Note 4: Parameter is guaranteed by design and is not production tested.

Note 5: This is a percentage of the output period. Parameter is characterized but not production tested. This can be varied from 0%

to 8%.

Note 6: This indicates the time between power-up and the outputs becoming active. An on-chip delay is intentionally introduced to

allow the oscillator to stabilize. t

output frequency.

is equivalent to ~500 clock cycles and is dependent upon the programmed

STAB

Note 7: Output voltage swings can be impaired at high frequencies combined with high output loading.

Maxim Integrated

│ 3

www.maximintegrated.com

1 234 5 6 7...9

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