AD9854_15 Datasheet, PDF (6/52 Pages) Analog Devices – CMOS 300 MSPS Quadrature Complete DDS

AD9854
Parameter
Residual Phase Noise
(AOUT = 5 MHz, External Clock = 30 MHz
REFCLK Multiplier Engaged at 10×)
1 kHz Offset
10 kHz Offset
100 kHz Offset
(AOUT = 5 MHz, External Clock = 300 MHz,
REFCLK Multiplier Bypassed)
1 kHz Offset
10 kHz Offset
100 kHz Offset
PIPELINE DELAYS^{4, 5, 6}
DDS Core (Phase Accumulator and
Phase-to-Amp Converter)
Frequency Accumulator
Inverse Sinc Filter
Digital Multiplier
DAC
I/O Update Clock (Internal Mode)
I/O Update Clock (External Mode)
MASTER RESET DURATION
COMPARATOR INPUT CHARACTERISTICS
Input Capacitance
Input Resistance
Input Current
Hysteresis
COMPARATOR OUTPUT CHARACTERISTICS
Logic 1 Voltage, High-Z Load
Logic 0 Voltage, High-Z Load
Output Power, 50 Ω Load, 120 MHz Toggle Rate
Propagation Delay
Output Duty Cycle Error⁷
Rise/Fall Times, 5 pF Load
Toggle Rate, High-Z Load
Toggle Rate, 50 Ω Load
Output Cycle-to-Cycle Jitter⁸
COMPARATOR NARROW-BAND SFDR⁹
10 MHz (±1 MHz)
10 MHz (±250 MHz)
10 MHz (±50 MHz)
41 MHz (±1 MHz)
41 MHz (±250 MHz)
41 MHz (±50 MHz)
119 MHz (±1 MHz)
119 MHz (±250 MHz)
119 MHz (±50 MHz)
CLOCK GENERATOR OUTPUT JITTER⁹
5 MHz AOUT
40 MHz AOUT
100 MHz AOUT
Test
AD9854ASVZ
AD9854ASTZ
Temp Level Min Typ Max Min Typ Max Unit
25°C V
140
25°C V
138
25°C V
142
140
dBc/Hz
138
dBc/Hz
142
dBc/Hz
25°C V
25°C V
25°C V
25°C IV
25°C IV
25°C IV
25°C IV
25°C IV
25°C IV
25°C IV
25°C IV
25°C V
25°C IV
25°C I
25°C IV
Full VI
Full VI
25°C I
25°C IV
25°C I
25°C V
25°C IV
25°C IV
IV
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
25°C V
142
142
dBc/Hz
148
148
dBc/Hz
152
152
dBc/Hz
33
26
16
9
1
2
3
10
33
26
16
9
1
2
3
10
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
SYSCLK cycles
3
500
±1
±5
10
20
3
500
±1 ±5
10
20
pF
kΩ
μA
mV p-p
3.1
9
11
3
−10 ±1
2
300 350
375 400
3.1
0.16
9
11
3
+10 −10 ±1
2
300 350
375 400
4.0
V
0.16 V
dBm
ns
+10 %
ns
MHz
MHz
4.0 ps rms
84
84
dBc
84
84
dBc
92
92
dBc
76
76
dBc
82
82
dBc
89
89
dBc
73
dBc
73
dBc
83
dBc
23
23
ps rms
12
12
ps rms
7
7
ps rms
Rev. E | Page 6 of 52