AD9547/PCBZ Analog Devices Inc, AD9547/PCBZ Datasheet - Page 19

• Manufacturer Part Number: AD9547/PCBZ
• Description: Clock Generator/Synchronizer Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of AD9547/PCBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: Network Clock Generator/Synchronizer
• Kit Application Type: Clock & Timing
• Silicon Core Number: AD9547
• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9547
• Primary Attributes: 2 Differential or 4 Single Ended Inputs
• Secondary Attributes: CMOS, LVPECL & LVDS Compatible
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–100
–110
–120
–130
–140
–150
–160
–100
–110
–120
–130
–140
–150
–160
–100
–120
–130
–140
–150
–160
–170
–110
–70
–80
–90
–70
–80
–90
–90
2× Frequency Multiplier, I
100
100
100
Figure 7. Additive Phase Noise (Output Driver = LVPECL),
Figure 8. Additive Phase Noise (Output Driver = LVPECL),
LBW = 1 kHz, f
Figure 9. Phase Noise of SYSCLK Input Sources
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 361fs (–69.0dBc)
20kHz TO 80MHz: 441fs (–67.3dBc) (EXTRAPOLATED)
1k
1k
LBW = 1 kHz, f
f
f
1k
REF
REF
= 19.44 MHz, f
= 19.44 MHz, f
SYSCLK
INTEGRATED RMS JITTER (PHASE NOISE):
12kHz TO 20MHz: 245fs (–65.0dBc)
20kHz TO 80MHz: 300fs (–64.3dBc)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
10k
10k
= 50 MHz (Crystal), PLL On with
10k
CP
SYSCLK
ROHDE & SCHWARZ
SMA100 (50MHz)
= 375 μA, LF = External (350 kHz)
ROHDE & SCHWARZ
100k
100k
SMA100 (1GHz)
= 50 MHz, PLL On
O
O
20MHz OCXO
= 155.52 MHz,
= 155.52 MHz,
100k
1M
1M
1M
10M
10M
100M
100M
10M
Rev. B | Page 19 of 104
Figure 10. Additive Phase Noise Comparison of SYSCLK Input Options
–100
–120
–130
–140
–150
–160
–110
–100
–120
–130
–140
–150
–160
–110
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–70
–80
–90
Figure 12. Jitter Transfer Bandwidth, Output Driver = LVPECL,
10
LBW = 100 Hz (Phase Margin = 88°), f
0
100
Figure 11. Additive Phase Noise (Output Driver = LVPECL),
10
100
LBW = 100 Hz, f
f
REF
= 19.44 MHz, f
1k
1k
f
50MHz CRYSTAL
REF
ROHDE & SCHWARZ
f
100
REF
= 19.44 MHz, f
(Output Driver = LVPECL),
SMA100 (1GHz)
= 8 kHz, f
INTEGRATED RMS JITTER (PHASE NOISE):
5kHz TO 20MHz: 336fs (–69.7dBc)
20kHz TO 80MHz: 425fs (–67.6dBc)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
10k
10k
SYSCLK
ROHDE & SCHWARZ
SMA100 (50MHz)
O
= 311.04 MHz, LBW = 1 kHz
= 50 MHz (Crystal), PLL On
O
CLOSED-LOOP PEAKING: 0.04dB
100k
100k
= 155.52 MHz,
1k
O
= 155.52 MHz,
SYSCLK
1M
1M
= 1 GHz, PLL Off
10k
10M
10M
AD9547
100M
100M
100k