Reference Designs
Three 12-Bit Data Acquisition Reference Designs Optimized for Low Power and Ultra-Small Form Factor
Texas Instruments
This Verified Precision Design details the design procedure: simulated results: and showcases the actual performance of a 12-bit discrete data acquisition block using the ADS7042: optimized for extremely low power: small form factor applications for the following three different optimizations: Optimization #1: 12 bit: 500ksps optimized for current monitoring: battery monitoring: electromyography (EMG): skin impedance: and wearable fitnessOptimization #2: 12 bit: 1Msps optimized for hard disc drives: motor control: motor encoders: optical encoders: and optical modulesOptimization #3: 12 bit:
Features
- Covers three different detailed implementations optimized for speed/power/performanceContains Theory: Component Selection: Simulation: Schematic: PCB Layout: and Measured Performance Results for all three implementationsIncludes detailed theory: calculations: and simulations of ADC drive circuitryDemonstrated performance of ultra-low power (1mW) 12-bit SAR data acqusitionFeatures the ADS7042: the world's smallest 12-bit SAR ADC
Applications
- Oscilloscopes & digitizers
- Glass break detector
- Multiparameter patient monitor
- Fitness machine
- Wearable fitness & activity monitor
- Aircraft cockpit display
- Interconnect/distribution box
- Vector signal transceiver (VST)
- Blood pressure monitor
- Circuit breaker (ACB
- MCCB
- VCB)
- Wireless communications test
Product Categories
- Data converters
End Equipment Reference Diagrams
Application Area
End Equipment