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PGA305 Signal Conditioner and Transmitter for Pressure Sensors
SBASB63
August 2024
PGA305
PRODUCTION DATA
CONTENTS
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PGA305 Signal Conditioner and Transmitter for Pressure Sensors
1
1
Features
2
Applications
3
Description
4
Device and Documentation Support
4.1
Receiving Notification of Documentation Updates
4.2
Support Resources
4.3
Trademarks
4.4
Electrostatic Discharge Caution
4.5
Glossary
5
Mechanical, Packaging, and Orderable Information
5.1
Mechanical Data
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RHH|36
MPQF144E
Thermal pad, mechanical data (Package|Pins)
RHH|36
QFND460A
Orderable Information
SBASB63_pm
sbasb63_oa
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Full reading width
Full reading width
Comfortable reading width
Expanded reading width
Card for each section
Card with all content
Data Sheet
PGA305 Signal Conditioner and Transmitter for Pressure Sensors
1
Features
Analog features:
Analog front-end for resistive bridge sensors
Accommodates sensor sensitivities from 1mV/V to 135mV/V
On-chip temperature sensor
Programmable gain
24-bit sigma-delta analog-to-digital converter for signal channel
24-bit sigma-delta analog-to-digital converter for temperature channel
14-bit output DAC
Digital features:
FSO accuracy across temperature: < 0.1%
System response time: < 220µs
Third-order offset, gain, and nonlinearity temperature compensation
Diagnostic functions
Integrated EEPROM for device operation, calibration data and user data
Peripheral features:
I
2
C interface for data reading and device configuration
One-wire interface enables communication through the power supply pin without using additional lines
Current loop interface: 4mA to 20mA
Ratiometric and absolute voltage output
Power management control
Analog low-voltage detect
General features:
Industrial temperature range: –40°C to 150°C
Power supply:
On-chip power management accepts wide power-supply voltage from 3.3V to 30V
Integrated reverse-protection circuit
2
Applications
Pressure-sensor transmitters and transducers
Liquid-level meter, flow meters
Resistive field transmitters