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PGA900

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Acondicionador de detección resistiva programable con salidas digitales y analógicas

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PGA900

ACTIVO
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Detalles del producto

Number of input channels 2 Operating temperature range (°C) -40 to 150 Vs (min) (V) 3.3 Vs (max) (V) 30 Interface type 4-20mA, I2C, OWI, PWM, Ratiometric analog voltage, SPI, UART Resolution (Bits) 24 Rating Military
Number of input channels 2 Operating temperature range (°C) -40 to 150 Vs (min) (V) 3.3 Vs (max) (V) 30 Interface type 4-20mA, I2C, OWI, PWM, Ratiometric analog voltage, SPI, UART Resolution (Bits) 24 Rating Military
DSBGA (YZS) 36 10.5625 mm² 3.25 x 3.25 VQFN (RHH) 36 36 mm² 6 x 6
  • High accuracy, low noise, low power, small size resistive sensing signal conditioner
  • User-programmable temperature and nonlinearity compensation
  • On-chip ARM® Cortex® M0 microprocessor allows users to develop and implement calibration software
  • One-wire interface enables the communication through power supply pin without using additional lines
  • On-chip power management accepts wide power supply voltage from 3.3 V to 30 V
  • Operating temperature range: –40°C to +150°C
  • Memory:
    • 8-kB software memory
    • 128 bytes EEPROM
    • 1-kB data SRAM
  • Accommodates sensor sensitivities from 1 mV/V to 135 mV/V
  • Two individual analog-front end (AFE) chains, each including:
    • Low-noise programmable gain amplifier
    • 24-bit sigma-delta analog-to-digital converter
  • Built-in internal temperature sensor with option to use external temperature sensor
  • 14-bit DAC with programmable gain amplifier
  • Output options:
    • Ratiometric and absolute voltage output
    • 4- to 20-mA current loop interface
    • One-wire interface (OWI) over power line
    • PWM output
    • Serial peripheral interface (SPI)
    • Inter-integrated circuit (I2C)
  • Depletion MOSFET gate driver
  • Diagnostic functions
  • High accuracy, low noise, low power, small size resistive sensing signal conditioner
  • User-programmable temperature and nonlinearity compensation
  • On-chip ARM® Cortex® M0 microprocessor allows users to develop and implement calibration software
  • One-wire interface enables the communication through power supply pin without using additional lines
  • On-chip power management accepts wide power supply voltage from 3.3 V to 30 V
  • Operating temperature range: –40°C to +150°C
  • Memory:
    • 8-kB software memory
    • 128 bytes EEPROM
    • 1-kB data SRAM
  • Accommodates sensor sensitivities from 1 mV/V to 135 mV/V
  • Two individual analog-front end (AFE) chains, each including:
    • Low-noise programmable gain amplifier
    • 24-bit sigma-delta analog-to-digital converter
  • Built-in internal temperature sensor with option to use external temperature sensor
  • 14-bit DAC with programmable gain amplifier
  • Output options:
    • Ratiometric and absolute voltage output
    • 4- to 20-mA current loop interface
    • One-wire interface (OWI) over power line
    • PWM output
    • Serial peripheral interface (SPI)
    • Inter-integrated circuit (I2C)
  • Depletion MOSFET gate driver
  • Diagnostic functions

The PGA900 is a signal conditioner for resistive sensing applications. It can accommodate various sensing element types. The PGA900 conditions its input signals by amplification and digitization through two analog front end channels. With the user programmed software in the on-chip ARM Cortex M0 processor, the PGA900 can perform linearization, temperature compensation, and other user defined compensation algorithms. The conditioned signal can be output as ratiometric voltage, absolute voltage, 4- to 20-mA current loop or PWM. The data and configuration registers can also be accessed through SPI, I2C, UART, and two GPIO ports. In addition, the unique OWI allows communication and configuration through the power supply pin without using additional lines. The PGA900 operating voltage is from 3.3 V to 30 V and it can operate in temperatures from –40°C to +150°C.

The PGA900 is a signal conditioner for resistive sensing applications. It can accommodate various sensing element types. The PGA900 conditions its input signals by amplification and digitization through two analog front end channels. With the user programmed software in the on-chip ARM Cortex M0 processor, the PGA900 can perform linearization, temperature compensation, and other user defined compensation algorithms. The conditioned signal can be output as ratiometric voltage, absolute voltage, 4- to 20-mA current loop or PWM. The data and configuration registers can also be accessed through SPI, I2C, UART, and two GPIO ports. In addition, the unique OWI allows communication and configuration through the power supply pin without using additional lines. The PGA900 operating voltage is from 3.3 V to 30 V and it can operate in temperatures from –40°C to +150°C.
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* Data sheet PGA900 Programmable Resistive Sensing Conditioner With Digital and Analog Outputs datasheet PDF | HTML 15 abr 2019
Application note Designing Temperature Monitoring Systems with NTC and RTD PDF | HTML 15 may 2024
Application note Connecting PGA900 Instrumentation Amplifier to Resistive Bridge Sensor (Rev. A) 23 may 2019
White paper Cities grow smarter through innovative semiconductor technologies 07 jul 2017
Application brief PGA900, PGA300 and PGA305 Use Case for HVAC Applications 02 may 2017
Application brief PGA900, PGA300 and PGA305 Use Case for the Pressure Transmitter Applications 02 may 2017
Application brief PGA900, PGA300 and PGA305 Use Case for Weight Scale (Load Cell) Applications 01 may 2017
Analog Design Journal Ratiometric measurement in the context of LVDT-sensor signal conditioning 21 jul 2016
Analog Design Journal Analog Applications Journal 3Q 2015 24 jul 2015
Analog Design Journal Design tips for a resistive-bridge pressure sensor in industrial process-control 24 jul 2015
Application note System Noise Analysis of a Resistive Bridge Pressure Sensor Connected to the PGA 07 jul 2015
Application note Understanding Open Loop Output Impedance of the PGA900 DAC Gain Amplifier (Rev. A) 19 may 2015
Application note PGA900 as 4- to 20-mA Current Loop Transmitter 07 may 2015
Application note Understanding Open Loop Gain of the PGA900 DAC Gain Amplifier 02 abr 2015
Application note PGA900 DAC Output Stability Application Note 04 mar 2015

Diseño y desarrollo

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IDE, configuración, compilador o depurador

CCSTUDIO — Code Composer Studio™ integrated development environment (IDE)

Code Composer Studio is an integrated development environment (IDE) for TI's microcontrollers and processors. It is comprised of a rich suite of tools used to build, debug, analyze and optimize embedded applications. Code Composer Studio is available across Windows®, Linux® and macOS® platforms.

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Productos y hardware compatibles

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Soporte de software

SLDC010 — PGA900 Generic Firmware

Productos y hardware compatibles

Productos y hardware compatibles

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Diseños de referencia

TIDA-00851 — Diseño de referencia del transmisor del sensor RTD de 4 mA a 20 mA de un solo chip con alimentación

El diseño de referencia TIDA-00851 es una solución de chip único para un sistema alimentado por bucle de 2 cables y de 4 a 20 mA, que incluye un front-end analógico para RTD de 4 cables. El procesador integrado permite el uso de algoritmos de compensación, lo que aumenta el rendimiento de sistema. (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
DSBGA (YZS) 36 Ultra Librarian
VQFN (RHH) 36 Ultra Librarian
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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  • Monitoreo continuo de confiabilidad
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  • Lugar de fabricación
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