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PGA450TPWRQ1

Name: PGA450TPWRQ1
Rating: 4.7 (12 reviews)

IC SENSOR SIGNAL COND 28TSSOP

製造商
製造商。部分 #PGA450TPWRQ1
包 28-TSSOP (0.173, 4.40mm Width)
資料表
有現貨的7811

+BOM RFQ

100%原創；新

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365天保修

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規格

Supplier	Texas Instruments,Rochester Electronics, LLC
Package	Tape & Reel (TR),Cut Tape (CT),Bulk
Series	Automotive, AEC-Q100
ProductStatus	Active
Type	Signal Conditioner
Current-Supply	15 mA
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	28-TSSOP (0.173, 4.40mm Width)

概述

Description

PGA450TPWRQ1 is TI’s gas-sensor front-end IC in the PGA450 family (Q1 automotive-qualified). It conditions signals from gas sensors (MOS/electrochemical) with a programmable gain amplifier, a built-in current/driver for the sensor heater, and an integrated ADC, all accessible via a digital interface (SPI/I2C-like) to a microcontroller. The device simplifies sensor conditioning, adds biasing and filtering, and provides data formatting and calibration options to improve accuracy and reduce BOM.
Key points:
- Programmable gain, sensor heater control, and on-chip data conversion
- Digital interface to MCU for configuration and data readout
- Automotive-qualified (Q1) version; TPWR indicates packaging/variant specifics
- Used in automotive and portable gas-sensing systems, air-quality monitors, and related applications
For exact electrical specs, timing, and recommended usage, refer to the TI PGA450 data sheet and TI’s application notes.

Package

PGA450TPWRQ1 is supplied in an HTSSOP (PowerPAD) package, tape-and-reel format, and is automotive-qualified (Q1).

Pinout

Pin count: 20 pins (Power QFN package, PWRQ1).
Function: TI PGA450TPWRQ1 is a single-channel programmable gain amplifier front end used to condition sensor signals. It provides adjustable gain via a digital interface (SPI-like control), with differential inputs, an output, and necessary power/ground and control pins for configuring gain and other features.

Manufacturer

Manufacturer: Texas Instruments (TI).
TI is an American multinational semiconductor company that designs and manufactures integrated circuits and analog/mixed-signal and embedded processing products for automotive, industrial, consumer and communications applications (the Q1 suffix indicates an automotive-grade part).

Application

Applications include:
- Sensor front-ends and signal conditioning (bridge sensors, strain, pressure, thermistors/RTDs)
- Medical instrumentation (biosignals, ECG/EMG preamps)
- Industrial data acquisition and automation systems
- Automotive sensing and control
- Microphone/audio preamplification
- Environmental/gas sensors and electrochemical sensors
- Portable/battery-powered instrumentation and IoT devices
Reason: programmable gain with low noise before ADCs.