AD9744 Datasheet, PDF (4/32 Pages) Analog Devices – 14-Bit, 165 MSPS TxDAC D/A Converter

AD9744
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
DYNAMIC PERFORMANCE
Maximum Output Update Rate (fCLOCK)
Output Settling Time (tST) (to 0.1%)¹
Output Propagation Delay (tPD)
Glitch Impulse
Output Rise Time (10% to 90%)¹
Output Fall Time (10% to 90%)¹
Output Noise (IOUTFS = 20 mA)²
Output Noise (IOUTFS = 2 mA)²
Noise Spectral Density³
AC LINEARITY
Spurious-Free Dynamic Range to Nyquist
fCLOCK = 25 MSPS; fOUT = 1.00 MHz
0 dBFS Output
−6 dBFS Output
−12 dBFS Output
−18 dBFS Output
fCLOCK = 65 MSPS; fOUT = 1.00 MHz
fCLOCK = 65 MSPS; fOUT = 2.51 MHz
fCLOCK = 65 MSPS; fOUT = 10 MHz
fCLOCK = 65 MSPS; fOUT = 15 MHz
fCLOCK = 65 MSPS; fOUT = 25 MHz
fCLOCK = 165 MSPS; fOUT = 21 MHz
fCLOCK = 165 MSPS; fOUT = 41 MHz
fCLOCK = 210 MSPS; fOUT = 41 MHz
fCLOCK = 210 MSPS; fOUT = 69 MHz
Spurious-Free Dynamic Range Within a Window
fCLOCK = 25 MSPS; fOUT = 1.00 MHz; 2 MHz Span
fCLOCK = 50 MSPS; fOUT = 5.02 MHz; 2 MHz Span
fCLOCK = 65 MSPS; fOUT = 5.03 MHz; 2.5 MHz Span
fCLOCK = 125 MSPS; fOUT = 5.04 MHz; 4 MHz Span
Total Harmonic Distortion
fCLOCK = 25 MSPS; fOUT = 1.00 MHz
fCLOCK = 50 MSPS; fOUT = 2.00 MHz
fCLOCK = 65 MSPS; fOUT = 2.00 MHz
fCLOCK = 125 MSPS; fOUT = 2.00 MHz
Signal-to-Noise Ratio
fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
fCLOCK = 65 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
fCLOCK = 125 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
fCLOCK = 165 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 20 mA
fCLOCK = 210 MSPS; fOUT = 5 MHz; IOUTFS = 5 mA
Min
Typ
Max
Unit
210
11
1
5
2.5
2.5
50
30
−155
MSPS
ns
ns
pV-s
ns
ns
pA/√Hz
pA/√Hz
dBm/Hz
77
90
dBc
87
dBc
82
dBc
82
dBc
85
dBc
84
dBc
80
dBc
75
dBc
74
dBc
73
dBc
60
dBc
68
dBc
64
dBc
84
90
dBc
90
dBc
87
dBc
87
dBc
−86
−77
dBc
−77
dBc
−77
dBc
−77
dBc
82
dB
88
dB
77
dB
78
dB
70
dB
70
dB
74
dB
67
dB
Rev. B | Page 4 of 32