DS1088LU-02 查看數據表（PDF） - Maxim Integrated

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DS1088LU-02

Fixed-Frequency EconOscillator™

Maxim Integrated 

DS1088L

Fixed-Frequency EconOscillator™

Oscillator Characteristics

(VCC = 2.7V to 3.6V, TA = -20°C to +85°C, unless otherwise noted.)

PARAMETER

Output Frequency Range

Available

SYMBOL

fO

CONDITIONS

Output Frequency Tolerance

∆fO

fO

VCC = 3.3V, TA = +25°C (Note 2)

Voltage Frequency Variation

∆f V

fO

Over voltage range, TA = +25°C (Note 3)

Temperature Frequency Variation

∆f T

fO

Over temperature

range, VCC = 3.3V

(Notes 4, 5)

-20°C to +25°C

+25°C to +85°C

Frequency Variation Over Voltage

and Temperature

∆f V,T

fO

Over voltage and temperature range

MIN TYP

0.3124

MAX

133.3

UNITS

MHz

-0.3

+0.3

%

-0.35

-0.7

-0.5

-1.0

+0.35

%

+0.7

%

+0.5

+1.0

%

AC Electrical Characteristics

(VCC = 2.7V to 3.6V, TA = -20°C to +85°C, unless otherwise noted.)

PARAMETER

Power-Up Time

OUT Disabled After Entering

Power-Down Mode

Load Capacitance

Output Duty Cycle (OUT)

SYMBOL

tPOR +

tSTAB

(Note 6)

CONDITIONS

tPDN (Note 7)

CL

(Note 8)

fO < 80MHz, fO ≥ 80MHz

fO < 80MHz

MIN TYP MAX UNITS

100

µs

7

µs

15

50

pF

40

60

%

50

Note 1: All voltages are referenced to ground.

Note 2: Typical frequency shift due to aging is within ±0.2%. Aging stressing includes level 1 moisture reflow preconditioning (24hr

+125°C bake, 168hr +85°C/85%RH moisture soak, and three solder reflow passes +240°C +0°C/-5°C peak) followed

by1000hr (max) VCC biased +125°C OP/L, 1000hr unbiased +150°C bake, 1000 temperature cycles at -55°C to +125°C,

and 168hr +121°C/2 ATM steam/unbiased autoclave.

Note 3: This is the change in output frequency due to changes in voltage at TA = +25°C.

Note 4: Guaranteed by design.

Note 5: This is the change in output frequency due to changes in temperature from the +25°C frequency at VCC = 3.3V.

Note 6: This indicates the time elapsed between power-up and the output becoming active. An on-chip delay is intentionally intro-

duced to allow the oscillator to stabilize. tSTAB is equivalent to approximately 512 clock cycles and will depend on the pro-

grammed oscillator frequency.

Note 7: Output disabled in two cycles or less of the output frequency.

Note 8: Output voltage swings may be impaired at high frequencies combined with high-output loading.

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