AD9780 データシートの表示（PDF） - Analog Devices
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AD9780 Datasheet PDF : 32 Pages
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Data Sheet
AD9780/AD9781/AD9783
AC SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFS = 20 mA, maximum sample rate, unless
otherwise noted.
Table 3.
Parameter
SPURIOUS FREE DYNAMIC RANGE (SFDR)
fDAC = 500 MSPS, fOUT = 20 MHz
fDAC = 500 MSPS, fOUT = 120 MHz
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
TWO-TONE INTERMODULATION DISTORTION (IMD)
fDAC = 500 MSPS, fOUT = 20 MHz
fDAC = 500 MSPS, fOUT = 120 MHz
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
ONE-TONE NOISE SPECTRAL DENSITY (NSD)
fDAC = 500 MSPS, fOUT = 40 MHz
fDAC = 500 MSPS, fOUT = 120 MHz
fDAC = 500 MSPS, fOUT = 380 MHz (Mix Mode)
fDAC = 500 MSPS, fOUT = 480 MHz (Mix Mode)
W-CDMA ADJACENT CHANNEL LEAKAGE RATIO (ACLR),
SINGLE CARRIER
fDAC = 491.52 MSPS, fOUT = 20 MHz
fDAC = 491.52 MSPS, fOUT = 80 MHz
fDAC = 491.52 MSPS, fOUT = 411.52 MHz
fDAC = 491.52 MSPS, fOUT = 471.52 MHz
AD9780
AD9781
AD9783
Min Typ Max Min Typ Max Min Typ Max Unit
79
78
80
dBc
67
66
68
dBc
55
58
62
dBc
58
62
59
dBc
91
93
86
dBc
80
75
79
dBc
69
70
64
dBc
60.5
61.5
66
dBc
−157
−154.5
−153
−152
−162
−156.5
−153
−152
−165
dBc
−157
dBc
−154
dBc
−153
dBc
−81
−82.5
−82
dBc
−80
−82.5
−81
dBc
−71
−68
−69
dBc
−69
−69
−70
dBc
Rev. B | Page 5 of 32
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