IC manufacturers Texas Instruments

IC manufacturers (103)

Texas Instruments ADS8900B | Demoboard TIDA-01037

20-bit, 1-MSPS Isolator Optimized Data Acquisition Reference Design Maximizing SNR and Sample Rate

Overview

TopologyOther Topology
IC revisionA

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)

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
50% typ.(°)
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
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
Type
IR(A)
Working Voltage(V (AC))
Samples
WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
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 °
Size0603 
Operating Temperature -40 °C up to +85 °C
Length1.6 mm
Width0.8 mm
Height0.7 mm
PackagingTape and Reel 
Packaging Unit4000 
MountSMT 
WCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Capacitance100 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 %
Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
Packaging Unit10000 
WA-SMSI SMT Steel Spacer with internal Thread M3, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -55 °C up to +150 °C
Length5 mm
PackagingTape and Reel 
Inner ThreadM3 
Inner Diameter4.2 mm
Outer Diameter6 mm
Packaging Unit650 
WE-PPTI Push-Pull Transformers, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Size1209 
Operating Temperature -40 °C up to +125 °C
Length9.14 mm
Width12.7 mm
Height7.62 mm
PackagingTape and Reel 
Input Voltage 5 V (DC)
Output Voltage 15 V (DC)
Output Current 10.8 A
Type of InsulationReinforced 
Switching Frequency 300 - 620
Voltage-µSecond10 Vµs
Turns Ratio1:1.1 
Inductance340 µH
Insulation Test Voltage5000 V (RMS)
MountSMT 
WR-PHD Pin Header - Single, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +105 °C
Insulation Resistance1000 MΩ
Length5.08 mm
PackagingBag 
MountTHT 
Pins
TypeStraight 
Rated Current3 A
Working Voltage250 V (AC)
WR-PHD Pin Header - Single, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -40 °C up to +105 °C
Insulation Resistance1000 MΩ
Length7.62 mm
PackagingBag 
MountTHT 
Pins
TypeStraight 
Rated Current3 A
Working Voltage250 V (AC)
WE-PPTI Push-Pull Transformers, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Size1512 
Operating Temperature -40 °C up to +125 °C
Length12.32 mm
Width15.41 mm
Height11.89 mm
PackagingTape and Reel 
Input Voltage 5 V (DC)
Output Voltage 15 V (DC)
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)
MountSMT