AD9549XCPZ View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9549XCPZ Datasheet PDF : 78 Pages
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AD9549
Preliminary Technical Data
DAC OUTPUT CHARACTERISTICS
DCO Frequency range (1st Nyquist zone)
Output Resistance
Output Capacitance
Full-Scale Output Current
Gain Error
Output Offset
Voltage Compliance Range
Wideband SFDR (DC to Nyquist):
10MHz Analog Out
40MHz Analog Out
80MHz Analog Out
120MHz Analog Out
160MHz Analog Out
Narrowband SFDR
10 MHz Analog Out (±1 MHz)
40 MHz Analog Out (±1 MHz)
80 MHz Analog Out (±1 MHz)
120 MHz Analog Out (±1 MHz)
160 MHz Analog Out (±1 MHz)
DIGITAL PLL
Minimum open-loop bandwidth
Maximum open-loop bandwidth
Minimum phase margin
Maximum phase margin
PFD input frequency range
Feedforward divider ratio
Feedback divider ratio
LOCK DETECTION
PHASE LOCK DETECTOR
Time Threshold Programming Range
Time Threshold Resolution
Lock Time Programming Range
Unlock Time Programming Range
FREQUENCY LOCK DETECTOR
Normalized Frequency Threshold
Programming Range
Normalized Frequency Threshold
10
TBD
AVSS
−0.50
50
5
10
+0.5V
450
31.7
TBD
0.6
AVSS
+0.50
TBD
TBD
TBD
TBD
TBD
MHz DPLL loop bandwidth sets lower limit
Ω
single-ended (each pin internally
terminated to AVSS)
pF
mA range depends on DAC RSET resistor
%FS
µA
Outputs not DC shorted to Vss
SFDR may be improved by activating
Harmonic Spur Suppression (see text)
dBc
dBc
dBc
dBc
dBc
TBD
dBc
TBD
dBc
TBD
dBc
TBD
dBc
TBD
dBc
~0.008
1
1
0.0001
100
10
85
~24.5
131,070
131,070
kHz
kHz
degrees
degrees
MHz
dependent on the frequency of REFA/B,
the DAC sample rate, and the P, R, and S
divider values
dependent on the frequency of REFA/B,
the DAC sample rate, and the P, R, and S
divider values
dependent on the frequency of REFA/B,
the DAC sample rate, and the P, R, and S
divider values (not a hard limit but
bounded by 0°)
dependent on the frequency of REFA/B,
the DAC sample rate, and the P, R, and S
divider values (not a hard limit but
bounded by 90°)
1,2,..,65,535 or 2,4,..,131,070
1,2,..,65,535 or 2,4,..,131,070
0
32x10-9
64x10-6
0.488
2097
68.7
16.8
0
0.0021
5x10-13
Rev. PrA | Page 10 of 78
µs
FPFD_Gain=200
ps
FPFD_Gain=200
s
in power-of-2 steps
ms in power-of-2 steps
FPFD_Gain=200; normalized to (fREF/R)2;
see text for details
FPFD_Gain=200; normalized to (fREF/R)2;
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