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AD9740ARRL Datasheet, PDF (5/32 Pages) Analog Devices – 10-Bit, 210 MSPS TxDAC D/A Converter | |||
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AD9740
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
â6 dBFS Output
â12 dBFS Output
â18 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
â143
MSPS
ns
ns
pV-s
ns
ns
pA/âHz
pA/âHz
dBm/Hz
71
79
dBc
75
dBc
67
dBc
61
dBc
84
dBc
80
dBc
78
dBc
76
dBc
75
dBc
70
dBc
60
dBc
67
dBc
63
dBc
80
dBc
90
dBc
90
dBc
90
dBc
â79
â71
dBc
â77
dBc
â77
dBc
â77
dBc
68
dB
64
dB
64
dB
62
dB
64
dB
62
dB
63
dB
60
dB
Rev. B | Page 5 of 32
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