OPA344PA

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: Low offset voltage, low noise, high precision
Package: DIP-8, SOIC-8
Essence: Precision operational amplifier
Packaging/Quantity: Tube/reel packaging, 50 pieces per tube/reel

Specifications

Supply Voltage: ±1.35V to ±18V
Input Offset Voltage: 150µV (max)
Gain Bandwidth Product: 10MHz
Slew Rate: 5V/µs
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

OUT
V-
V+
NC
NC
IN-
IN+
VCC

Functional Features

Low input offset voltage
Low noise
High open-loop gain
Rail-to-rail output swing

Advantages and Disadvantages

Advantages

High precision
Wide operating temperature range
Low power consumption

Disadvantages

Limited output current capability
Higher cost compared to general-purpose op-amps

Working Principles

The OPA344PA is designed to amplify small differential input signals with high precision. It utilizes a combination of high open-loop gain and low offset voltage to accurately amplify the input signal while minimizing errors.

Detailed Application Field Plans

Instrumentation Amplifiers: Used in precision measurement equipment due to its low offset voltage and high accuracy.
Sensor Conditioning: Ideal for amplifying and conditioning signals from sensors in applications such as industrial control systems and medical devices.
Active Filters: Utilized in active filter circuits for audio and instrumentation applications due to its low noise characteristics.

Detailed and Complete Alternative Models

OPA333: Lower power consumption, lower supply voltage
OPA355: Higher slew rate, higher bandwidth

Note: The above information is based on the datasheet available at the time of writing.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací OPA344PA v technických řešeních

What is the OPA344PA used for?
- The OPA344PA is a low-power, single-supply operational amplifier designed for general-purpose applications in consumer electronics, industrial control, and portable instrumentation.
What is the supply voltage range for OPA344PA?
- The OPA344PA operates from a single supply voltage range of 2.5V to 5.5V, making it suitable for battery-powered applications.
What is the typical input offset voltage of OPA344PA?
- The typical input offset voltage of OPA344PA is 150µV, which ensures accurate signal processing in precision applications.
Can OPA344PA be used in low-power applications?
- Yes, OPA344PA is designed for low-power applications, with a quiescent current of 25µA per channel.
What is the bandwidth of OPA344PA?
- The OPA344PA has a unity-gain bandwidth of 1 MHz, making it suitable for a wide range of signal conditioning and amplification tasks.
Is OPA344PA suitable for single-supply operation?
- Yes, OPA344PA is specifically designed for single-supply operation, making it ideal for applications where dual supplies are not available.
Does OPA344PA have built-in EMI filtering?
- No, OPA344PA does not have built-in EMI filtering. External filtering may be required in applications sensitive to electromagnetic interference.
What is the temperature range for OPA344PA?
- OPA344PA is specified to operate over a temperature range of -40°C to 125°C, ensuring reliable performance in harsh environments.
Can OPA344PA be used in audio applications?
- Yes, OPA344PA can be used in audio applications such as headphone amplifiers and audio signal conditioning due to its low noise and low distortion characteristics.
Are there any application notes or reference designs available for OPA344PA?
- Yes, Texas Instruments provides comprehensive application notes and reference designs for OPA344PA, offering guidance on various circuit configurations and usage scenarios.