OPA2187IDGKR

Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, rail-to-rail output
Package: VSSOP-8
Essence: Integrated circuit for amplifying and processing analog signals
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: 50µV (max)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 5V/µs
• Input Bias Current: 1pA (typ)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA2187IDGKR is an 8-pin integrated circuit with the following pin configuration:

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

Functional Features

• Rail-to-rail output swing allows for maximum dynamic range
• Low input offset voltage ensures accurate signal amplification
• High gain bandwidth product enables amplification of high-frequency signals
• Low noise performance preserves signal integrity
• Wide supply voltage range provides flexibility in various applications

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise operation - Wide operating temperature range - Small package size for space-constrained designs

Disadvantages: - Limited output current capability - Higher cost compared to some alternative models

Working Principles

The OPA2187IDGKR is an operational amplifier designed to amplify and condition analog signals. It operates by taking the difference between the voltages at its two input terminals (IN+ and IN-) and amplifying this difference to produce an output voltage. The rail-to-rail output swing allows the amplifier to provide maximum dynamic range, ensuring accurate signal representation.

Application Field Plans

The OPA2187IDGKR finds applications in various fields including:

1. Audio Amplification: Provides high-fidelity amplification for audio signals in audio systems, headphones, and speakers.
2. Sensor Signal Conditioning: Amplifies and conditions signals from sensors such as temperature, pressure, and light sensors for further processing.
3. Industrial Control Systems: Used in control systems to amplify and process analog signals for monitoring and control purposes.
4. Medical Instrumentation: Enables precise amplification of biomedical signals for diagnostic and monitoring equipment.
5. Test and Measurement Equipment: Used in oscilloscopes, data acquisition systems, and other measurement devices to accurately amplify and condition test signals.

Alternative Models

1. LM358: Dual operational amplifier with similar specifications and package.
2. AD822: Precision instrumentation amplifier with higher gain and lower noise.
3. MCP6002: Low-power operational amplifier with rail-to-rail input/output and low offset voltage.

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

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