Silicon Oscillator with Low-Power

Frequency Switching

4

_______________________________________________________________________________________

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

4.3

3.9

3.5

3.1

2.0

2.5

3.0

3.5

4.0

1.5

2.7

5.5

FREQUENCY = 11.0592MHz

FREQUENCY DEVIATION

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

3.1

3.5

3.9

4.3

-1.5

-1.0

-0.5

0

0.5

1.0

1.5

2.0

-2.0

2.7

5.5

FREQUENCY = 11.0592MHz

FREQUENCY DEVIATION

vs. TEMPERATURE

TEMPERATURE (

°C)

97

59

-17

21

-3

-2

-1

0

1

2

3

4

-4

-55

135

FREQUENCY = 10MHz

10

µs/div

SETTLING TIME FROM START

MAX7383 toc07

CH1 FREQ

9.992MHz

LOW RESOLUTION

CLOCK OUTPUT WAVEFORM

MAX7383 toc08

20ns/div

CLOCK OUTPUT WAVEFORM

MAX7383 toc09

20ns/div

Typical Operating Characteristics (continued)

CLOCK OUTPUT WAVEFORM

MAX7383 toc10

20ns/div

SUPPLY CURRENT vs. FREQUENCY

FREQUENCY (MHz)

15

14

13

12

11

2

3

4

5

1

10

16

CHANNEL 1 = CLOCK, CHANNEL 2 = SPEED

10

µs/div

HIGH-SPEED TO LOW-SPEED

TRANSITION

MAX7383 toc12