LTC6930 datasheet(7/12 Pages) LINER

7 / 12 page

LTC6930-X.XX

6930fa

PERIOD ERROR (ps)

–450

4216 G11

–300

–150

150

450

300

400

300

100

200

LTC6930-8.19

V+ = 3V

TA = 25°C

DIVIDE = 1

TIME (HOURS)

4216 G17

500

1000

1500

2000

3000

2500

500

400

300

100

200

–400

–300

–100

–200

–500

25 PARTS SHOWN

TA = 30°C

6930 G18

400ns/DIV

TIME SINCE POWER APPLIED (μs)

4216 G16

100

150

200

–10

–5

–20

–15

–25

–30

SUPPLY VOLTAGE (V)

1.7

4216 G13

2.2

2.7

3.2

3.7

4.2

4.7

5.2

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

FALL TIME

RISE TIME

CLOAD = 5pF

TA = 25°C

SUPPLY VOLTAGE (V)

1.7

4216 G14

2.2

2.7

3.2

3.7

4.2

4.7

5.2

100

TA = 25°C

DIV SETTING (LOG)

100

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

6930 G12

8.192MHz

4.194MHz

V+ = 3V

TA = 25°C

SUPPLY VOLTAGE (V)

1.7

4216 G10

2.2

2.7

3.2

3.7

4.2

4.7

5.2

0.30

0.25

0.20

0.15

0.10

0.05

8.192MHz

4.194MHz

TA = 25°C

TYPICAL PERFORMANCE CHARACTERISTICS

Typical Output Rise/Fall Time

vs Supply

Typical Output Resistance vs

Supply Voltage

Typical Output Duty Cycle vs

Supply and Divide Ratio

Typical Frequency Settling from

Power-Up

Typical Frequency Error vs Time

(Long-Term Drift)

Typical Output Waveform at

DIV Pin Change

Typical Jitter vs Supply in Divide

by 1 Mode

Typical Period Jitter Histogram

Typical Jitter vs Divider Setting

SUPPLY VOLTAGE (V)

1.7

4216 G15

2.2

2.7

3.2

3.7

4.2

4.7

5.2

4MHz, DIVIDE BY 1

DIVIDE BY >1

8MHz, DIVIDE BY 1

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