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ADS8528, ADS8548 and ADS8568 timing concerns

Posted: 30 Jul 2014  Print Version  Bookmark and Share

Keywords:ADS8528  ADS8548  ADS8568  bipolar  DSPs 

The ADS8528, ADS8548, and ADS8568 devices are eight channel 12-, 14-, and 16bit ADC, with bipolar inputs. The device features a frame sync/chip select (FS/CS) input, four convert start inputs (CONVST_x) and a user-selectable parallel or serial output. This provides flexible control signals that can interface directly to the C2000, C3000, C5000, and C6000 family of DSPs.

The ADS85x8 operates from 5-V analogue core (AVdd) for the conversion process, it uses high voltage rails (HVdd and HVss) of up to ±12V for the input stage, and features a digital input/output buffer rail (DVdd) of 2.7 to 5.5 V for interfacing to a variety of processors.

There are eight independent data converters within the package that operate in channel pairs – A0/1, B0/1, C0/1 and D0/1. The conversion process for each channel pair is controlled by applying the associated convert start input.

View the PDF document for more information.

Originally published by Texas Instruments Inc. at www.ti.com as "ADS8528, ADS8548, and ADS8568 Timing Considerations".





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