PGA300

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PGA300 – Signalumformer und Transmitter für Drucksensoren

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Datenblatt

document-pdfAcrobat PGA300 Signal Conditioner and Transmitter for Pressure Sensors datasheet (Rev. D) (Englisch) PDF | HTML

PGA300

AKTIV

Datenblatt

Jetzt bestellen

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, OWI, Ratiometric analog voltage

Resolution (Bits)

16

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, OWI, Ratiometric analog voltage

Resolution (Bits)

16

Rating

Military

VQFN (RHH)

36

36 mm² (6 mm × 6 mm)

Analog features:
- Analog front-end for resistive bridge sensors
- Accommodates sensor sensitivities from 1mV/V to 135mV/V
- On-chip temperature sensor
- Programmable gain
- 16-bit sigma-delta analog-to-digital converter for signal channel
- 16-bit sigma-delta analog-to-digital converter for temperature channel
- 14-bit output DAC
Digital features:
- <0.1% FSO accuracy across temperature
- System response time: <220µs
- Third-order temperature and nonlinearity compensation
- Diagnostic functions
- Integrated EEPROM for device operation, calibration data, and user data
Peripheral features:
- One-wire interface enables communication through the power-supply pin
- Current-loop output: 4mA to 20mA
- Ratiometric and absolute voltage output
Power supply:
- On-chip power management accepts wide power-supply voltage from 3.3V to 30V
- Integrated reverse voltage protection circuit
Industrial temperature range: –40°C to +150°C

Analog features:
- Analog front-end for resistive bridge sensors
- Accommodates sensor sensitivities from 1mV/V to 135mV/V
- On-chip temperature sensor
- Programmable gain
- 16-bit sigma-delta analog-to-digital converter for signal channel
- 16-bit sigma-delta analog-to-digital converter for temperature channel
- 14-bit output DAC
Digital features:
- <0.1% FSO accuracy across temperature
- System response time: <220µs
- Third-order temperature and nonlinearity compensation
- Diagnostic functions
- Integrated EEPROM for device operation, calibration data, and user data
Peripheral features:
- One-wire interface enables communication through the power-supply pin
- Current-loop output: 4mA to 20mA
- Ratiometric and absolute voltage output
Power supply:
- On-chip power management accepts wide power-supply voltage from 3.3V to 30V
- Integrated reverse voltage protection circuit
Industrial temperature range: –40°C to +150°C

The PGA300 provides an interface for piezoresistive and strain-gauge pressure-sense elements. The device is a full system-on-chip (SoC) solution that incorporates a programmable analog front-end (AFE), ADC, and digital signal processing that enable direct connection to the sense element. Further, the PGA300 includes integrated voltage regulators and an oscillator, thus minimizing the number of external components. The device achieves high accuracy by employing third-order temperature and nonlinearity compensation. External communication is achieved by using a one-wire serial interface (OWI) through the power-supply pin to simplify the system calibration process. An Integrated DAC supports absolute-voltage, ratiometric-voltage, and 4mA to 20mA current-loop outputs.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	PGA300 Signal Conditioner and Transmitter for Pressure Sensors datasheet (Rev. D)	PDF \| HTML	18.02.2025
	Anwendungshinweis	Connecting PGA900 Instrumentation Amplifier to Resistive Bridge Sensor (Rev. A)		23.05.2019
	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
	Benutzerhandbuch	PGA300 GUI User's Guide		17.06.2016
	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
	Analog Design Journal	Analog Applications Journal 2Q 2015		28.04.2015
	Analog Design Journal	Two-step calibration of sensor signal conditioners		28.04.2015
	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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