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Texas Instruments ADS8900B | Demoboard TIDA-01035

20-Bit, 1-MSPS Isolated Data Acquisition Reference Design Optimizing Jitter for Maximum SNR and Sample Rate

Overview

TopologyOther Topology

Description

The TIDA-01035 is a 20-bit, 1 MSPS isolated analog input data acquisition reference design demonstrating how to resolve and optimize performance challenges typical of digitally isolated data acquisition systems.Significantly improves high frequency AC signal chain performance (SNR and THD) by effectively mitigating ADC sample clock jitter across isolation boundaryMaximizes sample rate by eliminating/minimizing propagation delay introduced by a digital isolatorProvides option to evaluate performance with and without jitter mitigation technique with jumperIncludes detailed timing analysis detailing the isolator’s additive jitter impact on data throughput

Features

Isolated 20-Bit, 1-MSPS, Single-ChannelDifferential Input Data Acquisition (DAQ) System

  • Jitter Mitigation Technique Realizes More Than 18-dB System-Level SNR Improvement for High-Frequency Input Signals (100-kHz Fin, 1 MSPS)
  • Reduced Logic (on Isolated ADC Side) EliminatesNeed for Higher Power and Complex PLL Solutions
  • Achieves 1-MSPS Sampling Rate While PreservingLow SPI CLK Rates With the ADS8900B ADC’sInnovative multiSPI™ and ADC Master or Source-Synchronous Mode Digital Interfaces
  • Includes Theory, Calculations, ComponentSelection, PCB Design and Measurement ResultsREMARK: Schematic,BOM and pdf is added

Typical applications

  • Lab Instrumentation and Field Instrumentation,Design Validation and Verification,Remote Process Monitoring and Control

Products

Order Code Data­sheet Downloads Product seriesL
(mm)
TiØ ID
(mm)
Ø OD
(mm)
Qty.λDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
VinVOut1
(V (DC))
IOut1
(A)
L1
(µH)
NPRI : NSECVT
(V (RMS))
fswitch
(kHz)
∫Udt
(µVs)
Type of InsulationW
(mm)
H
(mm)
MountCTol. CVR
(V (DC))
SizeRISOCeramic TypeTechnical ReferencePinsRowsGenderTypeIR
(A)
Packaging Samples
885012005061
STE ALT EAG CAD LTS PSP CADWCAP-CSGP MLCCs 50 V(DC) 1 10000 0.5 0.5100 pF ±5% 50 0402 NP0 Class I NP00402101J050DFCT10000
150060RS75000
STE ALT EAG LTS PSP CAD IGSWL-SMCW SMT Mono-color Chip LED Waterclear 1.6 4000 625 Red 630 250 2 AlInGaP 140 0.8 0.7 SMT 0603 Tape and Reel
9774050360R
STE 3D ALT EAG IGS CADWA-SMSI SMT Steel Spacer with internal Thread M3 5 M3 4.2 6 650 Tape and Reel
61300211121
IGE STE 3D ALT EAG CADWR-PHD 2.54 mm THT Pin Header 5.08 THT1000 MΩ 2 Single Pin Header Straight 3 Bag
61300311121
IGE STE 3D ALT EAG CADWR-PHD 2.54 mm THT Pin Header 7.62 THT1000 MΩ 3 Single Pin Header Straight 3 Bag
750313734
STE LTS IGS WRL CADMID-PPTI Push-Pull Transformers for Texas Instruments 9.14 5 V (DC) 5 0.35 340 1:1.1 5000 300 - 620 11 Reinforced 12.7 7.62 SMT 1W HV Tape and Reel
750315240
STE LTS IGS WRLMID-PPTI Push-Pull Transformers for Texas Instruments 12.32 5 V (DC) 5 1 110 1:1.1 6250 150 Reinforced 15.41 11.89 SMT Tape and Reel
Samples
Order Code Data­sheet Downloads Product seriesL
(mm)
TiØ ID
(mm)
Ø OD
(mm)
Qty.λDom typ.
(nm)
Emitting ColorλPeak typ.
(nm)
IV typ.
(mcd)
VF typ.
(V)
Chip Technology50% typ.
(°)
VinVOut1
(V (DC))
IOut1
(A)
L1
(µH)
NPRI : NSECVT
(V (RMS))
fswitch
(kHz)
∫Udt
(µVs)
Type of InsulationW
(mm)
H
(mm)
MountCTol. CVR
(V (DC))
SizeRISOCeramic TypeTechnical ReferencePinsRowsGenderTypeIR
(A)
Packaging Samples