LTC6930 LINER [Linear Technology], LTC6930 Datasheet - Page 7

• Manufacturer Part Number: LTC6930
• Description: 32.768kHz to 8.192MHz Precision ?Power Oscillators
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
0.30
0.25
0.20
0.15
0.10
0.05
–10
–15
–20
–25
–30
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
–5
0
0
5
0
1.7
1.7
0
Typical Jitter vs Supply in Divide
by 1 Mode
Typical Output Rise/Fall Time
vs Supply
Typical Frequency Settling from
Power-Up
T
A
FALL TIME
= 25°C
2.2
2.2
TIME SINCE POWER APPLIED (μs)
RISE TIME
50
2.7
2.7
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.2
3.2
100
3.7
3.7
4.194MHz
4.2
4.2
150
8.192MHz
C
T
LOAD
A
4.7
4.7
= 25°C
= 5pF
4216 G10
4216 G13
4216 G16
5.2
5.2
200
–100
–200
–300
–400
–500
100
400
300
200
100
500
400
300
200
100
90
80
70
60
50
40
30
20
10
0
0
–450
0
1.7
0
Typical Period Jitter Histogram
Typical Output Resistance vs
Supply Voltage
Typical Frequency Error vs Time
(Long-Term Drift)
LTC6930-8.19
T
25 PARTS SHOWN
T
A
A
= 25°C
= 30°C
2.2
–300
500
2.7
SUPPLY VOLTAGE (V)
–150
PERIOD ERROR (ps)
1000
TIME (HOURS)
3.2
1500
0
3.7
4.2
2000
150
4.7
V
T
DIVIDE = 1
2500
+
A
300
= 3V
= 25°C
5.2
4216 G14
4216 G11
4216 G17
3000
450
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
60
58
56
54
52
50
48
46
44
42
40
0
1.7
1
Typical Jitter vs Divider Setting
Typical Output Duty Cycle vs
Supply and Divide Ratio
Typical Output Waveform at
DIV Pin Change
DIVIDE BY >1
LTC6930-X.XX
2.2
8MHz, DIVIDE BY 1
2.7
SUPPLY VOLTAGE (V)
DIV SETTING (LOG)
3.2
400ns/DIV
10
3.7
8.192MHz
4MHz, DIVIDE BY 1
4.2
4.194MHz
4.7
V
T
A
+
= 3V
= 25°C
6930 G12
6930 G18
5.2
4216 G15
100
6930fa
7