OPA2171AIDGKR

Overview

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

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 150µV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 8MHz
• Slew Rate: 4V/µs
• Input Voltage Noise: 7nV/√Hz
• Output Current: 40mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA2171AIDGKR has the following pin configuration:

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

Functional Features

• High precision: The OPA2171AIDGKR offers a low input offset voltage and bias current, ensuring accurate signal amplification.
• Low noise: With a low input voltage noise, this operational amplifier is suitable for applications requiring high signal fidelity.
• Rail-to-rail output: The output voltage can swing close to the supply rails, maximizing dynamic range and minimizing distortion.

Advantages and Disadvantages

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

Disadvantages: - Limited output current capability - Single-supply operation only

Working Principles

The OPA2171AIDGKR is a precision operational amplifier designed to amplify and condition signals with high accuracy. It utilizes a differential input stage, followed by gain stages and an output buffer. The input stage provides high common-mode rejection ratio (CMRR) and low offset voltage, ensuring precise signal amplification. The rail-to-rail output allows the amplifier to swing its output voltage close to the supply rails, maximizing dynamic range.

Detailed Application Field Plans

The OPA2171AIDGKR is suitable for various applications that require high 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 for data acquisition in scientific research and measurement instruments.
5. Test and Measurement Equipment: Precision signal amplification in oscilloscopes, spectrum analyzers, and other test equipment.

Detailed and Complete Alternative Models

1. OPA2180AIDGKR: Similar specifications with higher slew rate (10V/µs).
2. OPA2140AIDGKR: Higher bandwidth (20MHz) and lower input voltage noise (5nV/√Hz).
3. OPA2172AIDGKR: Dual-channel version of OPA2171AIDGKR with similar specifications.

These alternative models provide options with slightly different performance characteristics to suit specific application requirements.

Word count: 387 words