TIPD120, 0-100C, 0.005 %FSR, Ratiometric 3-Wire RTD Acquisition System
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Description
- TIPD120, Precision Verified Design provides theory, component selection, simulated and measured results of a single-supply, 3-wire RTD acquisition system that accurately measures temperature from 0C - 100C. The voltage input and reference voltage are placed in a ratiometric configuration in order to reduce the errors from noise and drift and improve overall system accuracy. The ADS1247 simplifies the front-end solution by incorporating the required current sources, programmable gain amplifier, and digitally-controlled multiplexer onto one chip. A unique "chopping" technique is used to minimize any difference between the two current sources. The TPS7A4901 adjustable-output, high-PSRR LDO is suggested as a cleaner power alternative over the existing USB supply to further improve system accuracy
Caractéristiques principales
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ADC Resolution24 Bit
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ADC Sampling Rate2K SPS
Pièces en vedette (11)
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TXS0104ED | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin SOIC Tube | Ajouter au panier | |
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TXS0104EDR | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin SOIC T/R | Ajouter au panier | |
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TXS0104EQPWRQ1 | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin TSSOP T/R Automotive AEC-Q100 | Ajouter au panier | |
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TXS0104EDG4 | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin SOIC Tube | Ajouter au panier | |
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TXS0104EPWRG4 | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin TSSOP T/R | Ajouter au panier | |
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TXS0104EPWR | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin TSSOP T/R | Ajouter au panier | |
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TXS0104EYZTR | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 12-Pin DSBGA T/R | Ajouter au panier | |
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TXS0104ERGYR | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin VQFN EP T/R | Ajouter au panier | |
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TXS0104ERGYRG4 | Texas Instruments | Level Translators | Voltage Level Translator 4-CH Bidirectional 14-Pin VQFN EP T/R | Ajouter au panier | |
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ADS1247IPW | Texas Instruments | Analog to Digital Converters - ADCs | 3-Channel Single ADC Delta-Sigma 2ksps 24-bit Serial 20-Pin TSSOP Tube | Ajouter au panier | |
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ADS1247IPWR | Texas Instruments | Analog to Digital Converters - ADCs | 3-Channel Single ADC Delta-Sigma 2ksps 24-bit Serial 20-Pin TSSOP T/R | Ajouter au panier | |