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ADS5294 Fiches technique(PDF) 48 Page - Texas Instruments |
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ADS5294 Fiches technique(HTML) 48 Page - Texas Instruments |
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48 / 67 page ![]() ADS5294 SLAS776B – NOVEMBER 2011 – REVISED JULY 2012 www.ti.com PROGRAMMABLE MAPPING BETWEEN INPUT CHANNELS AND OUTPUT PINS ADDR. D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 NAME (HEX) 50 1 X X X X MAP_CH1234_TO_OUT1A 1 X X X X MAP_CH1234_TO_OUT1B 1 X X X X MAP_CH1234_TO_OUT2A 51 1 X X X X MAP_CH1234_TO_OUT2B 1 X X X X MAP_CH1234_TO_OUT3A 1 X X X X MAP_CH1234_TO_OUT3B 52 1 X X X X MAP_CH1234_TO_OUT4A 1 X X X X MAP_CH1234_TO_OUT4B 53 1 X X X X MAP_CH5678_TO_OUT5B 1 X X X X MAP_CH5678_TO_OUT5A 1 X X X X MAP_CH5678_TO_OUT6B 54 1 X X X X MAP_CH5678_TO_OUT6A 1 X X X X MAP_CH5678_TO_OUT7B 1 X X X X MAP_CH5678_TO_OUT7A 55 1 X X X X MAP_CH5678_TO_OUT8B 1 X X X X MAP_CH5678_TO_OUT8A The ADS5294 has 16 pairs of LVDS channel outputs. The mapping of ADC channels to LVDS output channels is programmable to allow for flexibility in board layout. The 16 LVDS channel outputs are split in to 2 groups of 8 LVDS pairs. Within each group 4 ADC input channels can be multiplexed in to the 8 LVDS pairs depending on the modes of operation whether it is 1 wire mode or 2 wire mode. Input channels 1 to 4 can be mapped to any of the LVDS outputs OUT1A/B to OUT4A/B (using the MAP_CH1234_TO_OUTnA/B). Similarly, input channels 5 to 8 can be mapped to any of the LVDS outputs OUT5A/B to OUT8A/B (using the MAP_CH5678_TO_OUTnA/B). The block diagram of the mapping is listed in Figure 55. 48 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s) :ADS5294 |
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