AD9726 데이터 시트보기 (PDF) - Analog Devices
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AD9726 Datasheet PDF : 24 Pages
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AD9726
AC SPECIFICATIONS
DBVDD = AVDD1 = AVDD2 = 3.3 V, DVDD = CLKVDD = ADVDD = ACVDD = 2.5 V, IOUT-FS = 20 mA, internal reference,
TMIN to TMAX, unless otherwise specified.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Output Settling Time (tST) to 0.1%
Output Rise Time (10% to 90%)
Output Fall Time (90% to 10%)
Output Noise (IOUTFS = 20 mA)
TOTAL HARMONIC DISTORTION (THD)
fDAC = 400 MHz, fOUT = 1 MHz, 0 dBFS
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fDAC = 400 MHz, 0 dBFS
fOUT = 20 MHz
fOUT = 70 MHz
fOUT = 140 MHz
fDAC = 400 MHz, –3 dBFS
fOUT = 20 MHz
fOUT = 70 MHz
fOUT = 140 MHz
fDAC = 200 MHz, 0 dBFS
fOUT = 20 MHz
fOUT = 70 MHz
fDAC = 200 MHz, –3 dBFS
fOUT = 20 MHz
fOUT = 70 MHz
TWO-TONE INTERMODULATION DISTORTION (IMD)
fDAC = 400 MHz, 0 dBFS
fOUT1 = 20 MHz, fOUT2 = 21 MHz
fOUT1 = 70 MHz, fOUT2 = 71 MHz
fOUT1 = 140 MHz, fOUT2 = 141 MHz
ADJACENT CHANNEL LEAKAGE RATIO (ACLR)
fDATA = 245.76 MSPS, fCARRIER = 70 MHz, One-Carrier WCDMA
fDATA = 245.76 MSPS, fCARRIER = 70 MHz, Two-Carrier WCDMA
fDATA = 245.76 MSPS, fCARRIER1 = 70 MHz, Four-Carrier WCDMA
fDATA = 245.76 MSPS, fCARRIER1 = 70 MHz, Eight-Carrier WCDMA
NOISE SPECTRAL DENSITY (NSD)
fDAC = 400 MHz, fOUT = 70 MHz, 0 dBFS
fDAC = 400 MHz, fOUT = 70 MHz, –3 dBFS
fDAC = 400 MHz, fOUT = 70 MHz, –6 dBFS
UPDATE RATE
Min
Typ
Max Unit
10.5
ns
500
ns
500
ns
45
pA/√Hz
−95
dB
78
dBc
68
dBc
62
dBc
80
dBc
70
dBc
62
dBc
84
dBc
62
dBc
82
dBc
68
dBc
86
dBc
82
dBc
74
dBc
76
dBc
70
dBc
66
dBc
62
dBc
−160
dBm/Hz
−163
dBm/Hz
−165
dBm/Hz
0
400 MSPS
Rev. B | Page 4 of 24
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