TIPD115: ADC, 18bit, 1Msps, Low Noise Optimized


This design is for an 18-bit data acquisition block at 1MSPS throughput optimized for the lowest distortion and noise performance. The circuit is realized with an 18-bit successive-approximation-resistor (SAR) analog-to-digital converter (ADC), a fully differential input driver and a high precision reference and reference driver. The design details the process for optimizing the precision front end drive circuit as well as the reference circuit to achieve excellent dynamic performance with the ADS8881 while consuming low power.


Manufacturer Texas Instruments
Category Wired Communication
Sub-Category Analog Front Ends (AFE)
Eval Board Part Number 1512-1006-ND
Eval Board Supplier American P.C.B Company
Eval Board -
Resolution (Bits) 18 Bit
Input Type ± 2.5 V
Features Fully Differential Input Driver
High Precision Reference
Component Count + Extras 61 + 11
Design Author Texas Instruments
Main I.C. Base Part ADS8881

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