OPA2132PG4

Overview

Category: Operational Amplifier
Use: Audio applications, precision instrumentation
Characteristics: High performance, low noise, low distortion
Package: PDIP-8, SOIC-8
Essence: Dual operational amplifier
Packaging/Quantity: Tube of 25, Tape and reel of 2500

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Noise Voltage: 8nV/√Hz (typical)
• Gain Bandwidth Product: 8MHz (typical)
• Slew Rate: 20V/µs (typical)
• Output Current: 40mA (maximum)

Pin Configuration

The OPA2132PG4 has a standard pin configuration for an operational amplifier:

__ __ V+ --| |--| |-- -| OPA |- V- --|__|--|__|-- 1 2 3

Pin 1: Non-inverting input
Pin 2: Inverting input
Pin 3: V- (Negative power supply)
Pin 4: V+ (Positive power supply)
Pin 5: Offset Null
Pin 6: Output B
Pin 7: Output A
Pin 8: NC (No Connection)

Functional Features

• Low noise and distortion: The OPA2132PG4 offers high-quality audio reproduction and precise measurement capabilities due to its low noise and distortion characteristics.
• Wide supply voltage range: It can operate from ±2.5V to ±18V, making it suitable for various applications with different power supply requirements.
• High output current: With a maximum output current of 40mA, it can drive low impedance loads without significant distortion.
• High gain bandwidth product: The OPA2132PG4 has a gain bandwidth product of 8MHz, allowing it to handle high-frequency signals accurately.

Advantages and Disadvantages

Advantages: - Excellent audio performance - Low noise and distortion - Wide supply voltage range - High output current capability

Disadvantages: - Higher cost compared to some other operational amplifiers - Limited availability in certain package types

Working Principles

The OPA2132PG4 is a dual operational amplifier designed for precision applications. It utilizes advanced circuitry to provide low noise, low distortion, and high performance. The amplifier operates by amplifying the difference between the voltages applied to its non-inverting and inverting inputs. This amplified output signal is then available at the output pins.

Detailed Application Field Plans

The OPA2132PG4 is commonly used in the following application fields:

1. Audio Amplification: It is widely employed in audio equipment such as preamplifiers, headphone amplifiers, and audio mixers due to its excellent audio performance and low distortion characteristics.
2. Precision Instrumentation: The amplifier's low noise and high accuracy make it suitable for use in precision measurement instruments like data acquisition systems, oscilloscopes, and medical equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the OPA2132PG4 include:

1. TL072: A low-noise JFET-input operational amplifier with similar characteristics and pin configuration.
2. AD8620: A precision, low-noise, low-distortion operational amplifier suitable for audio and instrumentation applications.
3. LM4562: A high-performance audio operational amplifier known for its exceptional sound quality and low distortion.

These alternative models can be considered based on specific application requirements and availability.

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