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ADC10D1000 Datasheet(PDF) 51 Page - Texas Instruments |
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ADC10D1000 Datasheet(HTML) 51 Page - Texas Instruments |
51 / 82 page ADC10D1000, ADC10D1500 www.ti.com SNAS462Q – OCTOBER 2008 – REVISED MARCH 2013 Table 10. Features and Modes (continued) Control Pin Feature Non-ECM ECM Default ECM State Active in ECM Demux/Non-Demux Selected via NDM Yes Not available N/A Mode Selection (Pin A5) Selected via the Config Master Mode, AutoSync Not available N/A Reg RCOut1/2 disabled (Addr: Eh) Selected via the Config DCLK Reset Not available N/A Reg DCLK Reset disabled (Addr: Eh) Calibration On-command Selected via CAL Selected via the CAL Bit N/A Yes Calibration (Pin D6) (Addr: 0h; Bit: 15) (CAL = 0) Power-on Calibration Selected via CalDly Yes Not available N/A Delay Selection (Pin V4) Selected via the Config Calibration Adjust Not available N/A Reg tCAL (Addr: 4h) Power-Down Selected via PDI Selected via the PDI Bit Power down I-channel Yes I-channel operational (Pin U3) (Addr: 0h; Bit: 11) Selected via PDQ Selected via the PDQ Bit Power down Q-channel Yes Q-channel operational (Pin V3) (Addr: 0h; Bit: 10) "N/A" means "Not Applicable." Input Control and Adjust There are several features and configurations for the input of the ADC10D1000/1500 so that it may be used in many different applications. This section covers AC/DC-coupled Mode, input full-scale range adjust, input offset adjust, DES/Non-DES Mode, sampling clock phase adjust, an LC filter on the sampling clock, and VCMO Adjust. AC/DC-coupled Mode The analog inputs may be AC or DC-coupled. See AC/DC-Coupled Mode Pin (VCMO) for information on how to select the desired mode and DC-coupled Input Signals and AC-coupled Input Signals for applications information. Input Full-Scale Range Adjust The input full-scale range for the ADC10D1000/1500 may be adjusted via Non-ECM or ECM. In Non-ECM, a control pin selects a higher or lower value; see Full-Scale Input Range Pin (FSR). In ECM, the input full-scale range may be adjusted with 15-bits of precision. See VIN_FSR in Converter Electrical Characteristics – Analog Input/Output and Reference Characteristics for electrical specification details. Note that the higher and lower full- scale input range settings in Non-ECM correspond to the mid and min full-scale input range settings in ECM. It is necessary to execute an on-command calibration following a change of the input full-scale range. See Register Definitions for information about the registers. Input Offset Adjust The input offset adjust for the ADC10D1000/1500 may be adjusted with 12-bits of precision plus sign via ECM. See Register Definitions for information about the registers. Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 51 Product Folder Links: ADC10D1000 ADC10D1500 |
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