INA134UA/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High precision, low noise, differential amplifier
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The INA134UA/2K5 is a high-performance audio amplifier designed for precise and low-noise amplification of differential signals.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±0.5mV (maximum)
• Input Bias Current: ±1nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 2V/µs (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA134UA/2K5 has a total of 8 pins arranged as follows:

```

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| | --| V- OUT+ |-- Pin 1: Output Positive --| V+ OUT- |-- Pin 2: Output Negative --| REF IN+ |-- Pin 3: Non-Inverting Input --| GND IN- |-- Pin 4: Inverting Input --| NC VCC |-- Pin 5: Not Connected --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High common-mode rejection ratio (CMRR) of 86dB (minimum)
• Low distortion and noise for accurate signal reproduction
• Wide supply voltage range for versatile applications
• Internal frequency compensation for stability
• Short-circuit protection to prevent damage

Advantages and Disadvantages

Advantages: - High precision amplification of differential signals - Low noise and distortion for accurate audio reproduction - Versatile supply voltage range allows for various applications - Internal frequency compensation ensures stability - Short-circuit protection prevents damage to the amplifier

Disadvantages: - Limited gain bandwidth product compared to some other audio amplifiers - Higher cost compared to lower-performance alternatives

Working Principles

The INA134UA/2K5 operates based on the principle of differential amplification. It takes in a differential input signal and amplifies it with high precision while rejecting common-mode noise. The amplifier uses internal compensation to ensure stability and protect against short circuits.

Detailed Application Field Plans

The INA134UA/2K5 is commonly used in audio applications that require precise amplification of differential signals. Some specific application fields include:

1. Professional audio equipment, such as mixers and preamplifiers.
2. High-fidelity audio systems, including home theater setups and audiophile-grade amplifiers.
3. Medical devices, such as hearing aids and diagnostic equipment.
4. Industrial measurement and control systems, where accurate signal amplification is crucial.

Detailed and Complete Alternative Models

1. AD620: Low-cost alternative with similar performance characteristics.
2. LT1167: Precision instrumentation amplifier with higher gain bandwidth product.
3. OPA1612: High-performance audio operational amplifier with low distortion.

These alternative models offer different trade-offs in terms of cost, performance, and specific features, allowing users to choose the most suitable option for their application.

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