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AMC7834 Datasheet(PDF) 59 Page - Texas Instruments |
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AMC7834 Datasheet(HTML) 59 Page - Texas Instruments |
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59 / 97 page ![]() 59 AMC7834 www.ti.com SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016 Product Folder Links: AMC7834 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated 7.6.3.5 DAC Sync Register (address = 0x15) [reset = 0x0000] Figure 75. DAC Sync Register (R/W) 15 14 13 12 11 10 9 8 Reserved R/W-00h 7 6 5 4 3 2 1 0 AUXDAC4- SYNC AUXDAC3- SYNC AUXDAC2- SYNC AUXDAC1- SYNC DAC4-SYNC DAC3-SYNC DAC2-SYNC DAC1-SYNC R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 Table 22. DAC Sync Register Field Descriptions Bit Field Type Reset Description 15-8 Reserved R/W 0x00 Reserved for factory use. 7 AUXDAC4-SYNC R/W 0 When set to 1 the corresponding DAC output is set to synchronous-mode. When cleared to 0 the corresponding DAC output is set to asynchronous-mode. In closed-loop mode DAC1, DAC2, DAC3 and DAC4 are always in asynchronous-mode. 6 AUXDAC3-SYNC R/W 0 5 AUXDAC2-SYNC R/W 0 4 AUXDAC1-SYNC R/W 0 3 DAC4-SYNC R/W 0 2 DAC3-SYNC R/W 0 1 DAC2-SYNC R/W 0 0 DAC1-SYNC R/W 0 7.6.3.6 DAC Range Register (address = 0x16) [reset = 0x0000] Figure 76. DAC Range Register (R/W) 15 14 13 12 11 10 9 8 Reserved R/W-00h 7 6 5 4 3 2 1 0 AUXDAC4- RANGE AUXDAC3- RANGE AUXDAC2- RANGE AUXDAC1- RANGE DAC34-RANGE[1:0] DAC12-RANGE[1:0] R/W-0 R/W-0 R/W-0 R/W-0 R/W-00 R/W-00 Table 23. DAC Range Register Field Descriptions Bit Field Type Reset Description 15-8 Reserved R/W 0x00 Reserved for factory use. 7 AUXDAC4-RANGE R/W 0 When cleared to 0 the corresponding AUXDAC output range is 0 to 5 V. When set to 1 the corresponding AUXDAC output range is 2.5 to 7.5 V. 6 AUXDAC3-RANGE R/W 0 5 AUXDAC2-RANGE R/W 0 4 AUXDAC1-RANGE R/W 0 3-2 DAC34-RANGE[1:0] R/W 00 Sets the bipolar DAC output range. Use the following configurations for the DAC output range: 00: –4 to 1 V 01: –5 to 0 V 10: –5 to 0 V 11: 0 to 5 V 1–0 DAC12-RANGE[1:0] R/W 00 |
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