OPA1611AID

Product Overview

• Category: Operational Amplifier
• Use: Audio applications, high-fidelity audio systems
• Characteristics: High performance, low distortion, low noise, wide bandwidth
• Package: SOIC-8
• Essence: Precision, low-noise operational amplifier
• Packaging/Quantity: Available in tubes of 50 or reels of 2500

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 0.5mV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Noise Voltage: 4.5nV/√Hz (typical)
• Gain Bandwidth Product: 36MHz (typical)
• Slew Rate: 20V/µs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA1611AID is an 8-pin operational amplifier with the following pin configuration:

```

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| | --| IN- OUT |-- Pin 1: Output --| IN+ V- |-- Pin 2: Inverting Input --| V+ V+ |-- Pin 3: Positive Power Supply --| NC V- |-- Pin 4: Negative Power Supply --| NC NC |-- Pins 5 and 6: Not Connected --| NC NC |-- Pins 7 and 8: Not Connected |___________| ```

Functional Features

• High precision and low offset voltage for accurate signal amplification.
• Low noise performance ensures minimal interference in audio applications.
• Wide bandwidth allows for faithful reproduction of high-frequency signals.
• High slew rate enables fast signal response and transient handling.
• Stable operation over a wide temperature range.

Advantages and Disadvantages

Advantages: - High performance and low distortion for high-fidelity audio systems. - Low noise ensures clear and accurate audio reproduction. - Wide bandwidth allows for faithful reproduction of audio signals. - Stable operation over a wide temperature range.

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

Working Principles

The OPA1611AID is designed based on a precision operational amplifier architecture. It utilizes advanced circuitry to achieve high performance, low noise, and low distortion characteristics. The input stage provides low offset voltage and bias current, ensuring accurate signal amplification. The output stage delivers high output current and low output impedance, enabling it to drive a wide range of loads with minimal distortion.

Detailed Application Field Plans

The OPA1611AID is well-suited for various audio applications, including:

1. High-fidelity audio systems
2. Professional audio equipment
3. Audio mixers and preamplifiers
4. Headphone amplifiers
5. Audio recording and playback devices

Its high performance, low noise, and wide bandwidth make it ideal for applications that require accurate and faithful audio reproduction.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the OPA1611AID are:

1. OPA1642 - Dual-channel precision operational amplifier
2. LM4562 - High-performance audio operational amplifier
3. AD797 - Ultra-low noise, high-speed operational amplifier
4. NJM2068 - Low-noise dual operational amplifier

These alternatives offer similar performance characteristics and can be suitable replacements depending on specific application requirements.

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