AD9549/PCBZ Analog Devices Inc, AD9549/PCBZ Datasheet - Page 15

• Manufacturer Part Number: AD9549/PCBZ
• Description: BOARD EVALUATION FOR AD9549
• Manufacturer: Analog Devices Inc

Specifications of AD9549/PCBZ

• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9549
• Primary Attributes: 2 Inputs, 2 Outputs, VCO
• Secondary Attributes: CMOS, HSTL Output Logic, Graphical User Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 12. HSTL Output Driver Single-Ended Peak-to-Peak Amplitude vs.
Figure 13. CMOS Output Driver Peak-to-Peak Amplitude vs. Toggle Rate
Figure 14. CMOS Output Driver Peak-to-Peak Amplitude vs. Toggle Rate
650
600
550
500
450
2.5
2.0
1.5
1.0
0.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
0
0
NOM SKEW 25°C, 3.3V SUPPLY (20pF)
SLOW SKEW 90°C, 3.0V SUPPLY (20pF)
Toggle Rate (100 Ω Across Differential Pair)
NOM SKEW 25°C, 1.8V SUPPLY
SLOW SKEW 90°C, 1.7V SUPPLY
NOM SKEW 25°C, 1.8V SUPPLY (20pF)
SLOW SKEW 90°C, 1.7V SUPPLY (20pF)
200
(AVDD3 = 1.8 V) with 20 pF Load
(AVDD3 = 3.3 V) with 20 pF Load
10
50
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
400
20
100
600
30
800
150
40
Rev. D | Page 15 of 76
Figure 17. CMOS Output Driver Waveform (@ 3.3 V), Nominal Conditions,
–0.2
–0.2
–0.2
–0.4
–0.6
3.3
2.8
2.3
1.8
1.3
0.8
0.3
0.6
0.4
0.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
Figure 15. Typical HSTL Output Waveform, Nominal Conditions,
0
0
0
Figure 16. Typical CMOS Output Driver Waveform (@ 1.8 V),
Nominal Conditions, Estimated Capacitance: 5 pF
DC-Coupled, Differential Probe Across 100 Ω load
Estimated Capacitance: 5 pF, f
0.5
10
20
1.0
40
20
TIME (ns)
TIME (ns)
TIME (ns)
1.5
FREQUENCY= 40MHz
T
T
V p-p = 3.3V
DUTY CYCLE = 52%
60
30
FREQUENCY= 600MHz
T
T
V p-p = 1.17V DIFF.
DUTY CYCLE = 50%
FREQUENCY= 20MHz
T
T
V p-p = 1.8V
DUTY CYCLE = 53%
RISE
FALL
RISE
FALL
RISE
FALL
OUT
= 20 MHz
(20→80%) = 2.25ns
(80→20%) = 2.6ns
(20→80%) = 104ps
(20→80%) = 5.5ns
(80→20%) = 107ps
(80→20%) = 5.9ns
2.0
80
40
AD9549
100
2.5
50