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AD9746_15 Datasheet, PDF (5/28 Pages) Analog Devices – Dual 8-/10-/12-/14-/16-Bit 250 MSPS Digital-to-Analog Converters | |||
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Data Sheet
AD9741/AD9743/AD9745/AD9746/AD9747
AC SPECIFICATIONS
TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IFS = 20 mA, full-scale digital input, maximum
sample rate, unless otherwise noted.
Table 3. AD9741, AD9743, and AD9745
Parameter
SPURIOUS FREE DYNAMIC RANGE (SFDR)
fDAC = 250 MSPS, fOUT = 20 MHz
fDAC = 250 MSPS, fOUT = 70 MHz
fDAC = 250 MSPS, fOUT = 180 MHz1
INTERMODULATION DISTORTION (IMD)
fDAC = 250 MSPS, fOUT = 20 MHz
fDAC = 250 MSPS, fOUT = 70 MHz
fDAC = 250 MSPS, fOUT = 180 MHz1
CROSSTALK
fDAC = 250 MSPS, fOUT = 20 MHz
fDAC = 250 MSPS, fOUT = 70 MHz
fDAC = 250 MSPS, fOUT = 180 MHz1
ADJACENT CHANNEL LEAKAGE RATIO (ACLR) SINGLE
CARRIER WCDMA
fDAC = 245.76 MSPS, fOUT = 15.36 MHz
fDAC = 245.76 MSPS, fOUT = 61.44 MHz
fDAC = 245.76 MSPS, fOUT = 184.32 MHz1
NOISE SPECTRAL DENSITY (NSD)
fDAC = 245.76 MSPS, fOUT = 15.36 MHz
fDAC = 245.76 MSPS, fOUT = 61.44 MHz
fDAC = 245.76 MSPS, fOUT = 184.32 MHz1
AD9741
AD9743
AD9745
Min Typ Max Min Typ Max Min Typ Max Unit
70
80
82
dBc
70
70
70
dBc
64
64
66
dBc
80
80
86
dBc
80
80
80
dBc
72
72
74
dBc
80
80
80
dBc
80
80
80
dBc
80
80
80
dBc
54
54
54
â132
â132
â135
66
66
64
â144
â144
â147
76
76
72
â155
â155
â155
dBc
dBc
dBc
dBm/Hz
dBm/Hz
dBm/Hz
1 Mix Mode.
Rev. A | Page 5 of 28
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