DRV134UA

Overview

Category: Integrated Circuit (IC)

Use: Audio Balanced Line Driver

Characteristics: - Converts unbalanced audio signals to balanced signals - Provides high common-mode rejection ratio (CMRR) - Low distortion and noise - Wide supply voltage range - Suitable for professional audio applications

Package: SOIC-8

Essence: DRV134UA is an integrated circuit designed for converting unbalanced audio signals to balanced signals with high fidelity and low distortion.

Packaging/Quantity: Available in reels of 2500 units

Specifications and Parameters

• Supply Voltage Range: ±2.5V to ±18V
• Input Voltage Range: ±12V
• Output Voltage Swing: ±11V
• Common-Mode Rejection Ratio (CMRR): >100dB
• Total Harmonic Distortion (THD+N): <0.01%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

```

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| | --| V+ V- |-- --| IN+ IN- |-- --| OUT+ OUT-|-- --| GND |-- |___________| ```

Functional Characteristics

• Converts unbalanced audio signals to balanced signals
• Provides high CMRR for rejecting common-mode noise
• Low distortion and noise for high-fidelity audio reproduction
• Wide supply voltage range allows flexibility in system design
• Internal thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-quality audio signal conversion - Excellent common-mode rejection - Wide operating temperature range - Compact and easy-to-use package

Disadvantages: - Requires external power supply - Limited output voltage swing compared to some other models

Applicable Range of Products

DRV134UA is widely used in professional audio equipment, including: - Mixing consoles - Audio amplifiers - Audio interfaces - Public address systems

Working Principles

DRV134UA operates by converting unbalanced audio signals to balanced signals using a differential amplifier configuration. This allows for better rejection of common-mode noise and improved audio quality.

Detailed Application Field Plans

1. Mixing Consoles: DRV134UA can be used to convert unbalanced audio signals from microphones or instruments to balanced signals for further processing and mixing.
2. Audio Amplifiers: The IC can be employed to convert unbalanced audio inputs to balanced signals, ensuring high-quality audio reproduction.
3. Audio Interfaces: DRV134UA can be integrated into audio interfaces to convert unbalanced audio signals from external devices to balanced signals for recording or playback.
4. Public Address Systems: The IC can be utilized in public address systems to convert unbalanced audio sources to balanced signals, improving audio quality and reducing noise.

Detailed Alternative Models

Some alternative models to DRV134UA include: - DRV135UA - INA134 - SSM2142

5 Common Technical Questions and Answers

1. Q: What is the maximum supply voltage for DRV134UA? A: The maximum supply voltage is ±18V.

2. Q: Can DRV134UA operate with a single-ended power supply? A: No, it requires a dual power supply (positive and negative).

3. Q: What is the operating temperature range of DRV134UA? A: It can operate within the temperature range of -40°C to +85°C.

4. Q: Does DRV134UA have built-in thermal protection? A: Yes, it has internal thermal shutdown protection.

5. Q: What is the typical total harmonic distortion of DRV134UA? A: The typical THD+N is less than 0.01%.

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