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DAC38RF83IAAV.B Datasheet(PDF) 60 Page - Texas Instruments

Part # DAC38RF83IAAV.B
Description  DAC38RFxx Dual- or Single-Channel, Single-Ended or Differential Output, 14-Bit, 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip PLL
PDF  160 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DAC38RF83IAAV.B Datasheet(HTML) 60 Page - Texas Instruments

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Table 7-34. FIR filters Used for Different Interpolation Rates
FILTERS USED
Interpolation
Rate
FIR0 (2x)
FIR1 (2x)
LPFIR0_5X
FIR2 (2x)
LPFIR0_3X
FIR3 (2x)
LPFIR1_3X
6
x
x
8
x
x
x
10
x
x
12
x
x
x
16
x
x
x
x
18
x
x
x
20
x
x
x
24
x
x
x
x
The FIR filter coefficients are shown in Table 7-35 The FIR filters are design with a passband BW of 0.4 x
fINPUT, a stopband attenuation of 90 dBc and ripple of < 0.001 dB. The composite frequency response for each
interpolation factor are shown in Figure 7-14 to Figure 7-21.
f/Fdac
0
0.075
0.15
0.225
0.3
0.375
0.45
-160
-140
-120
-100
-80
-60
-40
-20
0
20
D001
Figure 7-14. Composite Magnitude Response for
6x Interpolation
f/Fdac
0
0.075
0.15
0.225
0.3
0.375
0.45
-160
-140
-120
-100
-80
-60
-40
-20
0
20
D002_8x
Figure 7-15. Composite Magnitude Response for
8x Interpolation
f/Fdac
0
0.075
0.15
0.225
0.3
0.375
0.45
-160
-140
-120
-100
-80
-60
-40
-20
0
20
D003
Figure 7-16. Composite Magnitude Response for
10x Interpolation
f/Fdac
0
0.075
0.15
0.225
0.3
0.375
0.45
-160
-140
-120
-100
-80
-60
-40
-20
0
20
D004
Figure 7-17. Composite Magnitude Response for
12x Interpolation
DAC38RF80, DAC38RF83, DAC38RF84
DAC38RF85, DAC38RF90, DAC38RF93
SLASEA3D – DECEMBER 2016 – REVISED DECEMBER 2023
www.ti.com
60
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Copyright © 2023 Texas Instruments Incorporated
Product Folder Links: DAC38RF80 DAC38RF83 DAC38RF84 DAC38RF85 DAC38RF90 DAC38RF93



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