OPA604AU

Basic Information Overview

• Category: Operational Amplifier
• Use: Signal amplification and conditioning in various electronic circuits
• Characteristics:
  • High gain and bandwidth
  • Low input offset voltage and bias current
  • Wide supply voltage range
  • Rail-to-rail output swing capability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-performance operational amplifier
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 500µV (maximum)
• Input Bias Current: 5nA (maximum)
• Gain Bandwidth Product: 20MHz
• Slew Rate: 10V/µs
• Output Current: 40mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPA604AU has a total of 8 pins arranged as follows:

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

Functional Features

• High open-loop gain for accurate signal amplification
• Low input offset voltage and bias current for precision applications
• Rail-to-rail output swing capability for maximum dynamic range
• Wide supply voltage range allows flexibility in power supply selection
• Stable operation over a wide temperature range (-40°C to +85°C)

Advantages and Disadvantages

Advantages: - High performance and accuracy - Versatile application possibilities - Wide supply voltage range - Rail-to-rail output swing capability

Disadvantages: - Relatively high input offset voltage - Limited output current capability

Working Principles

The OPA604AU is an operational amplifier designed to amplify and condition signals in electronic circuits. It operates based on the principles of differential amplification, where the voltage difference between its two input terminals (IN+ and IN-) is amplified and provided at the output terminal (OUT). The high gain and bandwidth of the OPA604AU ensure accurate signal amplification, while the low input offset voltage and bias current minimize errors in precision applications.

Detailed Application Field Plans

The OPA604AU finds applications in various fields, including: 1. Audio Amplification: Used in audio equipment such as preamplifiers and headphone amplifiers. 2. Instrumentation: Utilized in measurement and test equipment for signal conditioning and amplification. 3. Active Filters: Employed in active filter circuits for frequency response shaping. 4. Data Acquisition Systems: Integrated into data acquisition systems to amplify and condition analog signals. 5. Industrial Control Systems: Used in control systems for precise signal processing and amplification.

Detailed and Complete Alternative Models

1. OPA627AU: High-performance operational amplifier with even lower input offset voltage and bias current.
2. LM358: General-purpose operational amplifier with a wide supply voltage range.
3. AD8628: Precision operational amplifier with low noise and low distortion characteristics.
4. TL072: Dual operational amplifier with low noise and high slew rate.
5. LT1498: Quad operational amplifier with rail-to-rail inputs and outputs.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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