AD9548/PCBZ Analog Devices Inc, AD9548/PCBZ Datasheet - Page 19

• Manufacturer Part Number: AD9548/PCBZ
• Description: Clock Generator Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of AD9548/PCBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: Network Clock Generator/Synchronizer
• Kit Application Type: Clock & Timing
• Silicon Core Number: AD9548
• Kit Contents: Board
• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9548
• Primary Attributes: 62.5 ~ 450 MHz Output Frequency
• Secondary Attributes: SPI and I2C Compatible Control Port
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–100
–120
–130
–140
–150
–160
–100
–120
–130
–140
–150
–160
–110
–100
–110
–120
–130
–140
–150
–160
–110
–70
–80
–90
–70
–80
–90
–70
–80
–90
100
100
10
Figure 7. Additive Phase Noise (Output Driver = LVPECL),
Figure 8. Additive Phase Noise (Output Driver = LVPECL),
Figure 9. Additive Phase Noise (Output Driver = LVPECL),
LBW = 100 Hz, f
LBW = 0.05 Hz, f
100
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 361fs (–69.0dBc)
20kHz TO 80MHz: 441fs (–67.3dBc) (EXTRAPOLATED)
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 336fs (–69.7dBc)
20kHz TO 80MHz: 425fs (–67.6dBc) (EXTRAPOLATED)
1k
1k
LBW = 1 kHz, f
f
R
= 19.44 MHz, f
f
f
R
1k
R
= 8 kHz, f
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 10MHz: 717fs (–65.1dBc)
12kHz TO 20MHz: 725fs (–65.0dBc)
20kHz TO 80MHz: 790fs (–64.3dBc)
FREQUENCY OFFSET (Hz)
= 1 Hz, f
10k
10k
SYS
SYS
10k
= 50 MHz (Crystal), PLL On
= 20 MHz (OCXO), PLL On
SYS
O
O
= 122.88 MHz,
100k
100k
= 155.52 MHz,
= 50 MHz, PLL On
O
= 155.52 MHz,
100k
1M
1M
1M
10M
10M
10M
100M
100M
100M
Rev. A | Page 19 of 112
Figure 10. Additive Phase Noise Comparison of SYSCLK Input Options
–100
–110
–120
–130
–140
–150
–160
–100
–110
–120
–130
–140
–150
–160
–100
–120
–130
–140
–150
–160
–110
–70
–80
–90
–70
–80
–90
–70
–80
–90
2x Frequency Multiplier, I
100
100
Figure 12. Additive Phase Noise (Output Driver = LVPECL) ,
Figure 11. Additive Phase Noise (Output Driver = LVPECL),
100
LBW = 1 kHz, f
f
R
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 245fs (–72.4dBc)
20kHz TO 80MHz: 300fs (–64.3dBc) (EXTRAPOLATED)
= 19.44 MHz, f
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 356fs (–69.2dBc)
20kHz TO 80MHz: 435fs (–67.4dBc) (EXTRAPOLATED)
1k
1k
1k
LBW = 0.05 Hz, f
50MHz CRYSTAL
f
ROHDE & SCHWARZ
R
= 19.44 MHz, f
SMA100 (1GHz)
(Output Driver = LVPECL),
f
R
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
= 1 Hz, f
10k
10k
SYS
10k
= 50 MHz (Crystal), PLL On with
FREQUENCY (Hz)
ROHDE & SCHWARZ
SMA100 (50MHz)
O
CP
= 311.04 MHz, LBW = 1 kHz
= 375 μA, LF = External (350 kHz)
O
SYS
100k
= 155.52 MHz,
100k
100k
O
= 50 MHz, PLL On
= 155.52 MHz,
1M
1M
1M
10M
10M
10M
AD9548
100M
100M
100M