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Overview
| Topology | Other Topology |
| IC revision | E1 |
Description
This “18-bit, 2-Msps Isolated Data Acquisition Reference Design to achieve maximum SNR and sampling rate” illustrates how to overcome performance-limiting challenges typical of isolated data acquisition system design:Maximizing sampling rate by minimizing propagation delay introduced by digital isolatorMaximizing high-frequency AC signal chain performance (SNR) by effectively mitigating ADC sampling clock jitter introduced by the digital isolator
Features
- Isolated 18-Bit, 2-MSPS, Single-Channel,Differential Input Data Acquisition (DAQ) System
- Leverages multiSPI™ Digital Interface of ADS9110to Achieve 2-MSPS Sampling Rate WhileMaintaining Low SPI CLK Speed
- ADC Clock Master Mode and Source-SynchronousSPI Data Transfer Minimizes Digital IsolatorPropagation Delay and Increases Throughput
- Optimized Jitter Reduction Techniques EmployedResults in 12-dB SNR Improvement (100-kHz fIN,2-MSPS)
- Includes Theory, Calculations, ComponentSelection, PCB Design, and Measurement Results
Typical applications
- Design Validation and Verification
- Data Logging
- Modular DAQ Systems
- Remote Process Monitoring and Control
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(mm) | Ti | Ø ID(mm) | Ø OD(mm) | Packaging | Qty. | VIN | VOut1(V) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (RMS)) | W(mm) | H(mm) | Mount | Pins | Type | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Downloads26 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | Length1.6 mm | – | – | – | PackagingTape and Reel | Packaging Unit4000 | – | – | – | – | – | – | – | – | – | Width0.8 mm | Height0.7 mm | MountSMT | – | – | – | – | Operating Temperature -40 °C up to +85 °C | |||
 | WA-SMSI SMT Steel Spacer with internal Thread M3, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SMSI SMT Steel Spacer with internal Thread M3 | – | – | – | – | – | – | – | Length5 mm | Inner ThreadM3 | Inner Diameter4.2 mm | Outer Diameter6 mm | PackagingTape and Reel | Packaging Unit650 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +150 °C | ||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Length5.08 mm | – | – | – | PackagingBag | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Pins2 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Length7.62 mm | – | – | – | PackagingBag | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Pins3 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | Length12.32 mm | – | – | – | PackagingTape and Reel | – | Input Voltage 5 V (DC) | Output Voltage 15 V | Output Current 11 A | Type of InsulationReinforced | Switching Frequency 150 - 800 | Voltage-µSecond46 Vµs | Turns Ratio1:1.1 | Inductance440 µH | Insulation Test Voltage5000 V (RMS) | Width15.41 mm | Height11.89 mm | MountSMT | – | – | – | – | Operating Temperature -40 °C up to +125 °C |