AD9742-EBZ 查看數據表（PDF） - Analog Devices
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AD9742-EBZ Datasheet PDF : 32 Pages
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AD9742
Data Sheet
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 = 40 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
−152
MSPS
ns
ns
pV-sec
ns
ns
pA/√Hz
pA/√Hz
dBm/Hz
74
84
dBc
85
dBc
82
dBc
76
dBc
85
dBc
83
dBc
80
dBc
75
dBc
74
dBc
72
dBc
60
dBc
67
dBc
60
dBc
80
dBc
90
dBc
90
dBc
90
dBc
−82
−74
dBc
−77
dBc
−77
dBc
−77
dBc
78
dB
86
dB
73
dB
78
dB
69
dB
71
dB
69
dB
66
dB
Rev. C | Page 4 of 32
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