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Texas Instruments ADS8900B | Demoboard TIDA-01037
20-bit, 1-MSPS Isolator Optimized Data Acquisition Reference Design Maximizing SNR and Sample Rate
Overview
| Topology | Other Topology |
| IC revision | A |
Description
TIDA-01037 is a 20-bit, 1 MSPS isolated analog input data acquisition reference design that utilizes two different isolator devices to maximize signal chain SNR and sample rate performance. For signals requiring low jitter, such as ADC sampling clocks, TI’s ISO73xx family of low jitter devices are used whereas TI’s high speed ISO78xx family of devices are used to maximize data sample rate. By combing these two isolator solutions, high frequency performance is significantly improved by minimizing sample clock jitter across the isolation boundary, and data throughput is improved by maximizing isolator signaling rate. Additional improvements are realized by utilizing TI’s advanced ADC multiSPITM and source-synchronous features. Finally, all key design theories are described and measured results presented.
Features
Remark: Bom and Reference Design Added with Schematic Pdf.Differential input, isolated, 20-bit, 1-MSPS, Data Acquisition (DAQ) reference designOptimized isolator solution for input signals up to 100 kHzAdditional jitter mitigation circuitry not requiredDemonstrates low SPI clock rates with the TI’s innovative multiSPI™ and source-synchronous mode ADC digital interfacesProvides capaility to evaluate system SNR performance due to sample clock jitterIncludes theory, calculation, component selection, PCB design and measurement results
Typical applications
- Lab Instrumentation and Field Instrumentation, Design Validation and Verification, Remote Process Monitoring and Control
- Data Acquisition (DAQ)
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. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Ti | Ø ID (mm) | Ø OD (mm) | Qty. | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (RMS)) | Mount | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150060RS75000 | SPEC | 25 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | 625 | Red | 630 | 250 | 2 | AlInGaP | 140 | – | – | – | 0603 | -40 °C up to +85 °C | – | – | – | 1.6 | 0.8 | – | – | – | – | 4000 | – | – | – | – | – | – | – | – | – | SMT | – | – | 0.7 | – | – | – | Tape and Reel | ||
 | 885012005061 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 100 pF | ±5% | 50 | 0402 | -55 °C up to +125 °C | 1000 | 10 GΩ | NP0 Class I | 1 | 0.5 | 0.25 | – | – | – | 10000 | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
 | 9774050360R | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SMSI SMT Steel Spacer with internal Thread M3 | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +150 °C | – | – | – | 5 | – | – | M3 | 4.2 | 6 | 650 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Tape and Reel | |
 | 750313734 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | – | – | – | 1209 | -40 °C up to +125 °C | – | – | – | 9.14 | 12.7 | – | – | – | – | – | 5 V (DC) | 5 | 0.8 | Reinforced | 300 - 620 | 10 | 1:1.1 | 340 | 5000 | SMT | – | – | 7.62 | – | – | – | Tape and Reel | |
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | 2 | Single | – | Pin Header | Straight | 3 | Bag | |
 | 61300311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 7.62 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | 3 | Single | – | Pin Header | Straight | 3 | Bag | |
 | 750315240 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | – | – | – | 1512 | -40 °C up to +125 °C | – | – | – | 12.32 | 15.41 | – | – | – | – | – | 5 V (DC) | 5 | 1 | Reinforced | 150 - 700 | 46 | 1:1.1 | 440 | 5000 | SMT | – | – | 11.89 | – | – | – | Tape and Reel |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150060RS75000 | SPEC | |
| 885012005061 | SPEC | |
| 9774050360R | SPEC | – |
| 750313734 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| 750315240 | SPEC | – |
| Samples |
|---|
| 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. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Ti | Ø ID (mm) | Ø OD (mm) | Qty. | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (RMS)) | Mount | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
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