DS1090U-2 datasheet(5/8 Pages) MAXIM

Part #	DS1090U-2

Description	Low-Frequency, Spread-Spectrum EconOscillator

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Frequency, Spread-Spectrum

EconOscillator

_____________________________________________________________________

5

OUTPUT FREQUENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

5

6

7

8

9

10

4

-40

85

VCC = 3.3V

60k

Ω

80k

Ω

40k

Ω

DUTY CYCLE

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

49

50

51

52

48

-40

85

RSET = 40k

Ω

VCC = 3.3V

VCC = 5V

DS1090U-1

RESISTOR CURRENT

vs. RESISTOR VALUE

RSET (k

Ω)

70

60

50

10

12

14

16

18

8

40

80

VCC = 3.3V, TA = +25

°C

FREQUENCY ERROR

vs. SUPPLY VOLTAGE (FROM 3.3V)

SUPPLY VOLTAGE (V)

5.0

4.5

4.0

3.5

-2.5

0

2.5

5.0

-5.0

3.0

5.5

TA = +25

°C

40k

Ω

60k

Ω

80k

Ω

FREQUENCY ERROR

vs. TEMPERATURE (FROM +25

°C)

TEMPERATURE (

°C)

60

35

10

-15

-1.0

0

1.0

2.0

-2.0

-40

85

VCC = 3.3V

40k

Ω

60k

Ω

80k

Ω

POWER SPECTRUM vs. SPREAD

FREQUENCY (MHz)

5.35

-70

-60

-50

-40

-30

-20

-10

0

-80

4.80

5.90

VCC = 3.3V,

TA = +25

°C,

JC0 = JC1 = 1

OFF

±2%

±4%

±8%

Typical Operating Characteristics (continued)

(VCC = +3.3V, TA = +25°C, unless otherwise noted.)

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DS1090U-2 Datasheet(PDF) 5 Page - Maxim Integrated Products

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