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DAC39RF10 Datasheet(PDF) 149 Page - Texas Instruments

Part # DAC39RF10
Description  DAC39RFx10-SP DAC39RFx10-SEP 10.4 or 20.8GSPS, 16-bit, Dual and Single Channel, Multi-Nyquist Digital-to-Analog Converter (DAC) with JESD204C Interface
PDF  232 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

DAC39RF10 Datasheet(HTML) 149 Page - Texas Instruments

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Figure 8-19. REFDIV Register (continued)
RESERVED
REFDIV
R/W-0b
R/W-30h
Table 8-20. REFDIV Register Field Descriptions
Bit
Field
Type
Reset
Description
7-6
RESERVED
R/W
00b
5-0
REFDIV
R/W
30h
Specifies the frequency divisor to generate the PHY PLL reference
clock (FREF) from the DAC clock (FCLK). See PLL Control.
The following values are legal: 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24,
32, 40, 48. All other values are reserved and produce undefined
behavior.
8.19 MPY Register (Offset = 0109h) [reset = 14h]
MPY is shown in Figure 8-20 and described in Table 8-21.
Return to the Register Summary Table.
JESD204C PLL Multiplier
Figure 8-20. MPY Register
7
6
5
4
3
2
1
0
MPY
R/W-14h
Table 8-21. MPY Register Field Descriptions
Bit
Field
Type
Reset
Description
7-0
MPY
R/W
14h
Specifies the PLL frequency multiplier for the PHY. See PLL Control.
The following values are allowed for this design:
MPY: Frequency Multiplier
16 (0x10): 4
20 (0x14): 5
33 (0x21): 8.25
40 (0x28): 10
Note: This register should only be changed when JESD_EN=0.
8.20 RATE Register (Offset = 010Ah) [reset = 00h]
RATE is shown in Figure 8-21 and described in Table 8-22.
Return to the Register Summary Table.
JESD204C Receive Rate
Figure 8-21. RATE Register
7
6
5
4
3
2
1
0
RESERVED
RATE
R/W-00h
R/W-00b
Table 8-22. RATE Register Field Descriptions
Bit
Field
Type
Reset
Description
7-2
RESERVED
R/W
00h
www.ti.com
DAC39RF10-SP, DAC39RF10-SEP
DAC39RFS10-SP, DAC39RFS10-SEP
SBAS932A – MARCH 2024 – REVISED FEBRUARY 2026
Copyright © 2026 Texas Instruments Incorporated
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Product Folder Links: DAC39RF10-SP DAC39RF10-SEP DAC39RFS10-SP DAC39RFS10-SEP



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