OPA2171AIDCUR

Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, rail-to-rail output
Package: SOIC-8
Essence: Precision operational amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: 150µV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 8MHz
• Slew Rate: 4V/µs
• Input Voltage Range: Rail-to-Rail
• Output Current: 40mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA2171AIDCUR is an 8-pin operational amplifier with the following pin configuration:

___________ V+ | 1 8 | V- IN-| 2 7 | OUT IN+| 3 6 | NC NC | 4 5 | NC |___________|

Functional Features

• High precision: The OPA2171AIDCUR offers a low input offset voltage and bias current, ensuring accurate signal amplification.
• Low noise: With a low noise figure, this operational amplifier minimizes unwanted noise in the amplified signal.
• Rail-to-rail output: The device provides an output voltage range that extends to the supply rails, allowing for maximum dynamic range.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide operating temperature range - Rail-to-rail output

Disadvantages: - Relatively low gain bandwidth product compared to some alternatives - Limited output current capability

Working Principles

The OPA2171AIDCUR is a precision operational amplifier designed to amplify and condition signals with high accuracy. It utilizes a differential input stage, followed by a gain stage and an output buffer. The device operates over a wide range of supply voltages and provides rail-to-rail output swing.

Detailed Application Field Plans

The OPA2171AIDCUR is suitable for various applications that require precision signal amplification and conditioning. Some potential application fields include:

1. Sensor Signal Conditioning: Amplifying and filtering sensor signals in industrial automation systems.
2. Medical Instrumentation: Precise amplification of bioelectric signals in medical devices such as ECG monitors.
3. Audio Processing: High-fidelity audio amplification and equalization in professional audio equipment.
4. Data Acquisition Systems: Accurate signal conditioning in data acquisition systems for measurement and control purposes.
5. Test and Measurement Equipment: Precision signal amplification in laboratory instruments and test equipment.

Detailed and Complete Alternative Models

1. OPA2180AIDCUR: Similar characteristics, higher gain bandwidth product (12MHz).
2. OPA2277AIDCUR: Lower noise figure, lower input offset voltage (100µV).
3. LT1677CS8#PBF: Rail-to-rail output, higher slew rate (10V/µs).

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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