Overview
The DRV135UA/2K5, produced by Texas Instruments, is a high-performance audio balanced line driver designed for demanding audio applications. This component is part of the DRV13x series and is characterized by its low differential-mode output impedance and high common-mode output impedance, making it ideal for audio signal transmission without degradation. The DRV135 is available in an 8-pin SOIC package and operates over an extended industrial temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Supply Voltage Range | ±4.5 | ±18 | V | ||
| Operating Temperature | –40 | +85 | °C | ||
| Storage Temperature Range | –55 | +125 | °C | ||
| Total Harmonic Distortion + Noise (THD+N) | f = 20Hz to 20kHz, VO = 10Vrms | 0.001% | 0.0005% | % | |
| Noise Floor | –98 | dBu | |||
| Input Impedance | 10 | kΩ | |||
| Output Voltage Swing (No Load) | (V+) – 3 | (V+) – 2.5 | V | ||
| Load Capacitance, Stable Operation | CL Tied to Ground (each output) | 1 | µF | ||
| Slew Rate | 15 | V/µs | |||
| Quiescent Current | IO = 0 | –5.5 | ±5.2 | 5.5 | mA |
Key Features
- Wide Supply Range: Operates from ±4.5 V to ±18 V, providing flexibility in various power supply configurations.
- Low Quiescent Current: Typically ±5.2 mA, which is beneficial for power-efficient designs.
- High Audio Performance: Very low distortion (THD+N < 0.003%), low noise floor (–98 dBu), and wide bandwidth (1.5 MHz small-signal bandwidth).
- High Slew Rate and Fast Settling Time: 15 V/µs slew rate and 2.5 µs settling time to 0.01%, ensuring excellent dynamic response.
- Laser-Trimmed Resistors: Provides accurate gain and optimum output common-mode rejection (typically 68 dB).
- Compact Packaging: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
Applications
- Audio Differential Line Drivers: Ideal for transmitting analog audio signals without degradation.
- Audio Mix Consoles: Enhances audio quality in professional mixing environments.
- Distribution Amplifiers: Used in audio distribution systems to maintain signal integrity.
- Graphic and Parametric Equalizers: Supports precise audio equalization tasks.
- Dynamic Range Processors: Helps in managing dynamic range in audio signals.
- Digital Effects Processors: Suitable for use in digital audio processing systems.
- Telecom Systems: Used in telecommunications equipment for high-quality audio transmission.
- Hi-Fi Equipment: Enhances audio performance in high-fidelity audio systems.
- Industrial Instrumentation: Used in industrial applications requiring high-quality audio signals.
Q & A
- What is the operating temperature range of the DRV135UA/2K5?
The DRV135UA/2K5 operates over an extended industrial temperature range of –40°C to +85°C.
- What is the supply voltage range for the DRV135UA/2K5?
The DRV135UA/2K5 operates from a supply voltage range of ±4.5 V to ±18 V.
- What is the typical quiescent current of the DRV135UA/2K5?
The typical quiescent current is ±5.2 mA.
- What is the slew rate of the DRV135UA/2K5?
The slew rate is 15 V/µs.
- What is the noise floor of the DRV135UA/2K5?
The noise floor is typically –98 dBu.
- What are the key applications of the DRV135UA/2K5?
The DRV135UA/2K5 is used in audio differential line drivers, audio mix consoles, distribution amplifiers, graphic and parametric equalizers, dynamic range processors, digital effects processors, telecom systems, Hi-Fi equipment, and industrial instrumentation.
- What is the package type of the DRV135UA/2K5?
The DRV135UA/2K5 is available in an 8-pin SOIC package.
- How does the DRV135UA/2K5 ensure accurate gain and output common-mode rejection?
The DRV135UA/2K5 uses laser-trimmed resistors to ensure accurate gain and optimum output common-mode rejection.
- What is the typical settling time of the DRV135UA/2K5?
The typical settling time is 2.5 µs to 0.01%.
- Can the DRV135UA/2K5 drive large capacitive loads?
Yes, the DRV135UA/2K5 can easily drive the large capacitive loads associated with long audio cables.
