IC-Hersteller Texas Instruments

IC-Hersteller (96)

Texas Instruments LMZ14203 | Demoboard TIDA-00732

18-bit, 2-Msps Isolated Data Acquisition Reference Design to Achieve Maximum SNR and Sampling Rate

Details

TopologieAbwärtswandler
Eingangsspannung12 V
Ausgang 15 V
IC-RevisionA

Beschreibung

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

Eigenschaften

18-Bit, 2Msps, 1-Ch, differential input, isolated data acquisition (DAQ) systemLeverages multiSPI™ digital interface of ADS9110 to achieve 2MSPS sampling rate while maintaining a low SPI data rateSource synchronous SPI data transfer mode to minimize isolator propagation delay and improve sampling rateTechniques to reduce Isolator-induced jitter resulting in 12dB improvement in SNR (100kHz Fin, 2-MSPS)Tested design includes theory and calculations, component selection, PCB design, and measurement results

Typische Anwendungen

  • Modular DAQ Systems
  • Remote Process Monitoring and Control
  • Design Validation and Verification
  • Data Logging

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Downloads ProduktserieVinVOut1
(V)
IOut1
(A)
Isolierungstypfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (RMS))
L
(mm)
W
(mm)
H
(mm)
Montageart Muster
750315240SPEC
8 Dateien WE-PPTI Push-Pull Transformers 5 V (DC) 5 1 Reinforced 150 46 1:1.1 440 5000 12.32 15.41 11.89 SMT
Artikel Nr. Daten­blatt
750315240SPEC
Muster
Artikel Nr. Daten­blatt Downloads ProduktserieVinVOut1
(V)
IOut1
(A)
Isolierungstypfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (RMS))
L
(mm)
W
(mm)
H
(mm)
Montageart Muster