OPA2170AIDR

Product Overview

Category: Operational Amplifier (Op-Amp)

Use: The OPA2170AIDR is a high-precision, low-noise operational amplifier designed for various applications in the field of analog signal processing. It is commonly used in audio systems, medical equipment, industrial control systems, and instrumentation.

Characteristics: - High precision: The OPA2170AIDR offers excellent accuracy and stability, making it suitable for applications that require precise amplification. - Low noise: With a low input voltage noise density, this op-amp ensures minimal interference and distortion in signal processing. - Wide bandwidth: The device provides a wide frequency response range, enabling it to handle signals with different frequencies effectively. - Low power consumption: The OPA2170AIDR operates at low power levels, making it energy-efficient and suitable for battery-powered devices. - Rail-to-rail output swing: It supports an output voltage range that extends close to the supply rails, allowing for maximum utilization of the available dynamic range.

Package: The OPA2170AIDR comes in a small outline integrated circuit (SOIC) package, which provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence: This op-amp is designed to amplify and process analog signals accurately and efficiently, ensuring high fidelity and low distortion in various applications.

Packaging/Quantity: The OPA2170AIDR is typically available in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (max)
• Input Bias Current: 1nA (typ)
• Gain Bandwidth Product: 8MHz (typ)
• Slew Rate: 4V/µs (typ)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The OPA2170AIDR has a standard 8-pin SOIC package with the following pin configuration:

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

Functional Features

1. High Gain: The op-amp provides a high open-loop gain, ensuring accurate amplification of input signals.
2. Low Distortion: With low harmonic distortion and noise, the OPA2170AIDR maintains signal integrity and fidelity.
3. Unity-Gain Stable: It remains stable even at unity-gain configurations, making it suitable for applications requiring a voltage buffer.
4. Wide Supply Voltage Range: The device operates over a wide range of supply voltages, allowing flexibility in various power supply configurations.
5. Protection Features: The OPA2170AIDR incorporates built-in protection against overvoltage, overcurrent, and thermal overload conditions, enhancing its reliability.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise and distortion - Wide bandwidth for versatile signal processing - Low power consumption - Rail-to-rail output swing for maximum dynamic range utilization

Disadvantages: - Relatively higher cost compared to general-purpose op-amps - Limited availability in certain regions or markets

Working Principles

The OPA2170AIDR is based on a differential amplifier configuration that amplifies the voltage difference between its two input terminals. It utilizes a combination of active devices and feedback mechanisms to achieve high gain, low distortion, and stability.

The op-amp's internal circuitry is designed to minimize noise and offset voltage, ensuring accurate amplification of input signals. It operates in a wide range of supply voltages, allowing it to handle various signal levels effectively.

Detailed Application Field Plans

The OPA2170AIDR finds applications in several fields, including:

1. Audio Systems: It is used in audio amplifiers, mixers, and equalizers to ensure high-fidelity sound reproduction.
2. Medical Equipment: The op-amp is employed in medical devices such as patient monitoring systems, ECG amplifiers, and ultrasound equipment for precise signal processing.
3. Industrial Control Systems: It plays a crucial role in industrial automation, motor control, and robotics applications, providing accurate signal conditioning and control.
4. Instrumentation: The OPA2170AIDR is utilized in test and measurement instruments, data acquisition systems, and sensor interfaces to amplify and process analog signals accurately.

Detailed and Complete Alternative Models

1. Texas Instruments OPA2188: Similar to the OPA2170AIDR, this op-amp offers high precision and low noise with an extended bandwidth