AD9740
Rev. B | Page 5 of 32
DYNAMIC SPECIFICATIONS
TMIN to TMAX, AVDD = 3.3 V, DVDD = 3.3 V, CLKVDD = 3.3 V, IOUTFS = 20 mA, differential transformer coupled output, 50 Ω doubly
terminated, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate (fCLOCK)
210
MSPS
Output Settling Time (tST) (to 0.1%)1 11
ns
Output Propagation Delay (tPD)
1
ns
Glitch Impulse
5
pV-s
Output Rise Time (10% to 90%)
12.5
ns
Output Fall Time (10% to 90%
)12.5
ns
Output Noise (IOUTFS = 20 mA)2 50
pA/√Hz
Output Noise (IOUTFS = 2 mA)2 30
pA/√Hz
143
dBm/Hz
AC LINEARITY
Spurious-Free Dynamic Range to Nyquist
fCLOCK = 25 MSPS; fOUT = 1.00 MHz
0 dBFS Output
71
79
dBc
6 dBFS Output
75
dBc
12 dBFS Output
67
dBc
18 dBFS Output
61
dBc
fCLOCK = 65 MSPS; fOUT = 1.00 MHz
84
dBc
fCLOCK = 65 MSPS; fOUT = 2.51 MHz
80
dBc
fCLOCK = 65 MSPS; fOUT = 10 MHz
78
dBc
fCLOCK = 65 MSPS; fOUT = 15 MHz
76
dBc
fCLOCK = 65 MSPS; fOUT = 25 MHz
75
dBc
fCLOCK = 165 MSPS; fOUT = 21 MHz
70
dBc
fCLOCK = 165 MSPS; fOUT = 41 MHz
60
dBc
fCLOCK = 210 MSPS; fOUT = 40 MHz
67
dBc
fCLOCK = 210 MSPS; fOUT = 69 MHz
63
dBc
Spurious-Free Dynamic Range within a Window
fCLOCK = 25 MSPS; fOUT = 1.00 MHz; 2 MHz Span
80
dBc
fCLOCK = 50 MSPS; fOUT = 5.02 MHz; 2 MHz Span
90
dBc
fCLOCK = 65 MSPS; fOUT = 5.03 MHz; 2.5 MHz Span
90
dBc
fCLOCK = 125 MSPS; fOUT = 5.04 MHz; 4 MHz Span
90
dBc
Total Harmonic Distortion
fCLOCK = 25 MSPS; fOUT = 1.00 MHz
79
71
dBc
fCLOCK = 50 MSPS; fOUT = 2.00 MHz
77
dBc
fCLOCK = 65 MSPS; fOUT = 2.00 MHz
77
dBc
fCLOCK = 125 MSPS; fOUT = 2.00 MHz
77
dBc
Signal-to-Noise Ratio
fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
68
dB
fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
64
dB
fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
64
dB
fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
62
dB
fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
64
dB
fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
62
dB
fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
63
dB
fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
60
dB