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TIPD173
16 bit 1MSPS Data Acquisition Reference Design for Single-Ended Multiplexed Applications
TIPD173
Overview
This TI Precision Verified Design details a systematic design methodology for a 16 bit, 1MSPS, single-ended data acquisition (DAQ) block optimized to achieve excellent settling time, power consumption, static performance and dynamic performance for multiplexed applications. The design features a 16-bit, high-precision, successive-approximation-register (SAR) analog-digital converter (ADC); low noise, low power and wide bandwidth ADC input drive circuitry; and, a very low drift ADC voltage reference and corresponding reference input drive circuitry.
This design is well suited to applications which require low-latency, multi-channel, data acqusition for multi-sensor measurements such as environmental (temperature, pressure, etc..), biopotential and power measurement.
Features
- Contains Theory, Component Selection, Simulation, Schematic, PCB Layout, and Measured Performance Results
- Optimized for 900ns (max) 16-bit step-input transient settling time
- Power: 21.5mW @ AVDD = 3.3V
- Measured ENOB of 14.58 bits
- Utilizes ADS8860 (16bit, 1Msps SAR ADC), OPA320 (Input Driver), THS4281 + OPA333 + REF5040 (Reference Driver)
Industrial
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDU504A.PDF (1861 K)
Reference design overview and verified performance test data
TIDRAU9A.PDF (349 K)
Detailed schematic diagram for design layout and components
TIDC662.ZIP (912 K)
Detailed schematic diagram for design layout and components
TIDRAV0A.PDF (106 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRAV1.ZIP (302 K)
Files used for 3D models or 2D drawings of IC components
TIDC660.ZIP (50 K)
Design file that contains information on physical board layer of design PCB
Products
Includes TI products in the design and potential alternatives.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | 16-Bit 1-MSPS Data Acquisition Ref Design for Single-Ended Multiplexed Apps (Rev. A) | Apr. 20, 2017 |
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