OPA177GPG4

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: DIP-8 (Dual Inline Package)
Essence: Monolithic operational amplifier
Packaging/Quantity: Tube packaging, 50 units per tube

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Voltage Noise: 7nV/√Hz (typical)
• Gain Bandwidth Product: 10MHz (typical)
• Slew Rate: 20V/µs (typical)
• Output Current: 40mA (maximum)

Detailed Pin Configuration

The OPA177GPG4 follows the standard DIP-8 pin configuration:

1. Non-Inverting Input (+)
2. Inverting Input (-)
3. Negative Power Supply (V-)
4. Positive Power Supply (V+)
5. Offset Null
6. Output
7. NC (No Connection)
8. Ground (GND)

Functional Features

• High precision: The OPA177GPG4 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.
• Wide bandwidth: The high gain bandwidth product allows for amplification of signals with frequencies up to 10MHz.
• High output current: The OPA177GPG4 can deliver a maximum output current of 40mA, making it suitable for driving various loads.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide bandwidth for versatile applications - High output current capability

Disadvantages: - Limited availability in alternative packages - Higher cost compared to some other operational amplifiers

Working Principles

The OPA177GPG4 is a monolithic operational amplifier designed to amplify and condition analog signals. It operates based on the principles of differential amplification, where the voltage difference between the non-inverting and inverting inputs determines the output voltage. The internal circuitry of the OPA177GPG4 ensures high precision amplification with low noise and wide bandwidth.

Detailed Application Field Plans

The OPA177GPG4 is commonly used in various applications, including:

1. Precision instrumentation: The high precision and low noise characteristics make it suitable for use in measurement equipment such as multimeters and oscilloscopes.
2. Audio amplification: The wide bandwidth and low distortion make it ideal for audio signal amplification in audio systems and professional audio equipment.
3. Sensor conditioning: The OPA177GPG4 can be used to amplify and condition signals from sensors such as temperature sensors, pressure sensors, and strain gauges.
4. Active filters: Its high gain bandwidth product allows for the implementation of active filters in communication systems and signal processing applications.

Detailed and Complete Alternative Models

1. OPA2134: This operational amplifier offers similar precision and low noise characteristics but comes in a different package (SOIC-8).
2. LM358: A more cost-effective alternative with lower precision and higher noise, but widely available in various packages.
3. AD8628: Provides high precision and low noise performance, available in SOT-23 package for space-constrained applications.

(Note: These are just a few examples; there are several other alternatives available in the market.)

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