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PGA900

AKTIV

Programmierbarer Messumformer für Widerstandsbrücken-Sensoren mit digitalen und analogen Ausgängen

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Datenblatt

PGA900

AKTIV
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Produktdetails

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
VQFN (RHH) 36 36 mm² (6 mm × 6 mm) DSBGA (YZS) 36 10.5625 mm² (— mm × — mm)
  • 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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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt PGA900 Programmable Resistive Sensing Conditioner With Digital and Analog Outputs datasheet PDF | HTML 15.04.2019
Anwendungshinweis Designing Temperature Monitoring Systems with NTC and RTD PDF | HTML 15.05.2024
Anwendungshinweis Connecting PGA900 Instrumentation Amplifier to Resistive Bridge Sensor (Rev. A) 23.05.2019
Whitepaper Cities grow smarter through innovative semiconductor technologies 07.07.2017
Application brief PGA900, PGA300 and PGA305 Use Case for the Pressure Transmitter Applications 02.05.2017
Application brief PGA900, PGA300 and PGA305 Use Case for HVAC Applications 02.05.2017
Application brief PGA900, PGA300 and PGA305 Use Case for Weight Scale (Load Cell) Applications 01.05.2017
Analog Design Journal Ratiometric measurement in the context of LVDT-sensor signal conditioning 21.07.2016
Analog Design Journal Analog Applications Journal 3Q 2015 24.07.2015
Analog Design Journal Design tips for a resistive-bridge pressure sensor in industrial process-control 24.07.2015
Anwendungshinweis System Noise Analysis of a Resistive Bridge Pressure Sensor Connected to the PGA 07.07.2015
Anwendungshinweis Understanding Open Loop Output Impedance of the PGA900 DAC Gain Amplifier (Rev. A) 19.05.2015
Anwendungshinweis PGA900 as 4- to 20-mA Current Loop Transmitter 07.05.2015
Anwendungshinweis Understanding Open Loop Gain of the PGA900 DAC Gain Amplifier 02.04.2015
Anwendungshinweis PGA900 DAC Output Stability Application Note 04.03.2015

Design und Entwicklung

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IDE, Konfiguration, Compiler oder Debugger

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Support-Software

SLDC010 — PGA900 Generic Firmware

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Simulationsmodell

PGA900 PSpice Model

SLDM004.ZIP (167 KB) - PSpice-Modell
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PGA900 TINA-TI Reference Design, Current Mode

SLDM005.TSC (652 KB) - TINA-TI-Referenzdesign
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PGA900 TINA-TI Reference Design, Voltage Mode

SLDM007.TSC (509 KB) - TINA-TI-Referenzdesign
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PGA900 TINA-TI Spice Model

SLDM006.ZIP (5 KB) - TINA-TI Spice-Modell
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