AD9540
Rev. A | Page 4 of 32
SPECIFICATIONS
AVDD = DVDD = 1.8 V ± 5%; DVDD_I/O = CP_VDD = 3.3 V ± 5% (@ TA = 25°C), DAC_RSET = 3.92 k, CP_RSET = 3.09 k,
DRV_RSET = 4.02 k, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TOTAL SYSTEM JITTER AND PHASE NOISE FOR
105 MHz ADC CLOCK GENERATION CIRCUIT
720
fS rms
Resultant Signal-to-Noise Ratio (SNR)
59.07
dB
Phase Noise of Fundamental
@ 10 Hz Offset
80
dBc/Hz
@ 100 Hz Offset
92
dBc/Hz
@ 1 kHz Offset
101
dBc/Hz
@ 10 kHz Offset
110
dBc/Hz
@ 100 kHz Offset
147
dBc/Hz
≥1 MHz Offset
153
dBc/Hz
TOTAL SYSTEM PHASE NOISE FOR 210 MHz
ADC CLOCK GENERATION CIRCUIT
Phase Noise of Fundamental
@ 10 Hz Offset
79.2
dBc/Hz
@ 100 Hz Offset
86
dBc/Hz
@ 1 kHz Offset
95
dBc/Hz
@ 10 kHz Offset
105
dBc/Hz
@ 100 kHz Offset
144
dBc/Hz
@ 1 MHz Offset
151
dBc/Hz
TOTAL SYSTEM TIME JITTER FOR CLOCKS
155.52 MHz Clock
581
fS rms
12 kHz to 1.3 MHz bandwidth
622.08 MHz Clock
188
fS rms
12 kHz to 5 MHz bandwidth
RF DIVIDER/CML DRIVER EQUIVALENT
INTRINSIC TIME JITTER
FIN = 414.72 MHz, FOUT = 51.84 MHz
136
fS rms
R = 8, BW = 12 kHz to 400 kHz
FIN = 1244.16 MHz, FOUT = 155.52 MHz
101
fS rms
R = 8, BW = 12 kHz to 1.3 MHz
FIN = 2488.32 MHz, FOUT = 622.08 MHz
108
fS rms
R = 4, BW = 12 kHz to 5 MHz
RF DIVIDER/CML DRIVER RESIDUAL PHASE NOISE
FIN = 81.92 MHz, FOUT = 10.24 MHz
RF Divider R = 8
@ 10 Hz
120
dBc/Hz
@ 100 Hz
128
dBc/Hz
@ 1 kHz
137
dBc/Hz
@ 10 kHz
145
dBc/Hz
@ 100 kHz
150
dBc/Hz
≥1 MHz
153
dBc/Hz
FIN = 983.04 MHz, FOUT = 122.88 MHz
RF Divider R = 8
@ 10 Hz
115
dBc/Hz
@ 100 Hz
125
dBc/Hz
@ 1 KHz
132
dBc/Hz
@ 10 kHz
142
dBc/Hz
@ 100 kHz
146
dBc/Hz
@ 1 MHz
151
dBc/Hz
>3 MHz
153
dBc/Hz