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ADC1613D Datasheet(PDF) 17 Page - NXP Semiconductors |
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ADC1613D Datasheet(HTML) 17 Page - NXP Semiconductors |
17 / 43 page ![]() ADC1613D_SER All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 3 — 9 February 2011 17 of 43 NXP Semiconductors ADC1613D series Dual 16-bit ADC: serial JESD204A interface If bit INTREF_EN is set to logic 0, the reference voltage is determined either internally or externally as detailed in Table 10. Figure 11 to Figure 14 illustrate how to connect the SENSE and VREF pins to select the required reference voltage source. Fig 10. Reference equivalent schematic Table 10. Reference modes Mode SPI bit, “Internal reference” SENSE pin VREF pin Full-scale (V (p-p)) Internal (Figure 11) 0 GND 330 pF capacitor to GND 2 Internal (Figure 12) 0 VREF pin = SENSE pin and 330 pF capacitor to GND 1 External (Figure 13)0 VDDA external voltage from 0.5 V to 1 V 1 to 2 Internal, SPI mode (Figure 14) 1 VREF pin = SENSE pin and 330 pF capacitor to GND 1 to 2 EXT_ref EXT_ref 001aan670 REFAT/ REFBT REFAB/ REFBB SENSE VREF SELECTION LOGIC BANDGAP REFERENCE ADC CORE BUFFER REFERENCE AMP |
Similar Part No. - ADC1613D_11 |
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Similar Description - ADC1613D_11 |
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