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DAC34SH84 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
DAC34SH84 Quad-Channel, 16-Bit, 1.5 GSPS Digital-to-Analog Converter (DAC) TI
Texas Instruments TI
DAC34SH84 Datasheet PDF : 77 Pages
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DAC34SH84
SLAS808B – FEBRUARY 2012 – REVISED JULY 2012
www.ti.com
TYPICAL CHARACTERISTICS
All plots are at 25°C, nominal supply voltage, fDAC = 1500 MSPS, 2× interpolation, NCO enabled, mixer gain disabled, QMC
enabled with gain set at 1446 for both I/Q channels, 0-dBFS digital input, 20-mA full-scale output current with 4:1 transformer
(unless otherwise noted)
6
5
4
3
2
1
0
−1
−2
−3
−4
−5
−6
0
10k
20k
30k
40k
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60k
Code
Figure 1. Integral Nonlinearity
90
0dBFS
80
−6dBFS
−12dBFS
70
60
50
40
30
20
10
0
100
200
300
400
500
600
Output Frequency (dB)
G003
Figure 3. SFDR vs Output Frequency Over Input Scale
110
0dBFS
100
−6dBFS
−12dBFS
90
80
70
60
50
40
30
0
100
200
300
400
500
600
Output Frequency (MHz)
G005
Figure 5. Third Harmonic Distortion vs Output Frequency
Over Input Scale
5
4
3
2
1
0
−1
−2
−3
−4
−5
0
10k 20k 30k 40k 50k 60k
Code
Figure 2. Differential Nonlinearity
100
0dBFS
90
−6dBFS
−12dBFS
80
70
60
50
40
30
20
0
100
200
300
400
500
600
Output Frequency (MHz)
G004
Figure 4. Second-Harmonic Distortion vs Output Frequency
Over Input Scale
110
FDAC = 750 MSPS, 1x interpolation
100
FDAC = 1500 MSPS, 2x interpolation
FDAC = 1500 MSPS, 4x interpolation
90
FDAC = 1500 MSPS, 8x interpolation
80
FDAC = 1500 MSPS, 16x interpolation
70
60
50
40
30
0
100
200
300
400
500
600
Output Frequency (MHz)
G006
Figure 6. SFDR vs Output Frequency Over Interpolation
14
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