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DAC39RF10 Datasheet(PDF) 168 Page - Texas Instruments |
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DAC39RF10 Datasheet(HTML) 168 Page - Texas Instruments |
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168 / 232 page  Table 8-58. JESD_RST Register Field Descriptions (continued) Bit Field Type Reset Description 0 JESD_RST R/W 0b When set, this bit holds the digital portion of the JESD circuitry in reset but does not affect the physical lane. It may be necessary to set this bit prior to setting JESD_EN = 1 and then clear this bit at a later time to start processing the JESD data. This allows the supply to settle from the large change in power that occurs when starting the PHY and JESD clocks. This is especially important if the user plans to use the LANE_ARR values, since these values are captured only the first time the elastic buffer attempts to release. 8.56 EXTREF_EN Register (Offset = 02B0h) [reset = 00h] EXTREF_EN is shown in Figure 8-57 and described in Table 8-59. Return to the Register Summary Table. Enable External Reference Figure 8-57. EXTREF_EN Register 7 6 5 4 3 2 1 0 RESERVED EXTREF_EN R/W-00h R/W-0b Table 8-59. EXTREF_EN Register Field Descriptions Bit Field Type Reset Description 7-1 RESERVED R/W 00h 0 EXTREF_EN R/W 0b Setting this bit enable the use of an external reference voltage on the EXTREF ball. CUR_2X_EN Register (Offset = 02B1h) [reset = 00h] CUR_2X_EN is shown in Figure 8-58 and described in Table 8-60. Return to the Register Summary Table. DAC Current Doubler Enable Figure 8-58. CUR_2X_EN Register 7 6 5 4 3 2 1 0 RESERVED CUR_2X_EN R/W-00h R/W-0b Table 8-60. CUR_2X_EN Register Field Descriptions Bit Field Type Reset Description 7-1 RESERVED R/W 00h 0 CUR_2X_EN R/W 0b Setting this bit doubles the DAC output current. 8.57 DAC_OFS_CHG_BLK Register (Offset = 02CFh) [reset = 00h] DAC_OFS_CHG_BLK is shown in Figure 8-59 and described in Table 8-61. Return to the Register Summary Table. DAC Offset Adjustment Change Block DAC39RF10-SP, DAC39RF10-SEP DAC39RFS10-SP, DAC39RFS10-SEP SBAS932A – MARCH 2024 – REVISED FEBRUARY 2026 www.ti.com 168 Submit Document Feedback Copyright © 2026 Texas Instruments Incorporated Product Folder Links: DAC39RF10-SP DAC39RF10-SEP DAC39RFS10-SP DAC39RFS10-SEP |
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