Overview
The DRV134UA/1K is a high-performance audio balanced line driver produced by Texas Instruments. This component is designed to convert a single-ended input signal into a balanced output pair, making it ideal for professional audio applications. The DRV134UA/1K features on-chip precision resistors that are laser-trimmed for accurate gain and optimum output common-mode rejection. It is available in a 16-pin SOIC (DW) package and is fully specified for operation over an extended industrial temperature range of -55°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Operating Temperature Range | -55 to 125 | °C |
| Package Type | SOIC (DW) | |
| Number of Pins | 16 | |
| Slew Rate (Typ) | 15 | V/µs |
| Small-Signal Bandwidth (Typ) | 1.5 MHz | |
| Supply Voltage Range | ±4.5 V to ±18 V | |
| Quiescent Current (Typ) | ±5.2 mA | |
| Load Capacitance | 1 µF | |
| THD + N @ 1 kHz | 0.0005 % | |
| Noise Floor (RTO, 20kHz BW) | -98 dBu |
Key Features
- Balanced Output: Converts single-ended input to a balanced output pair.
- Low Distortion: 0.0005% at 1 kHz.
- Wide Output Swing: 17Vrms into 600 Ω.
- High Capacitive Load Drive: Easily drives large capacitive loads associated with long audio cables.
- High Slew Rate: 15 V/µs.
- Wide Supply Range: ±4.5 V to ±18 V.
- Low Quiescent Current: ±5.2 mA.
- Companion to Audio Differential Line Receivers: Works with INA134 and INA137.
- Improved Replacement for SSM2142.
Applications
The DRV134UA/1K is designed for high-performance audio applications, including professional audio systems, audio transmission over long cables, and in combination with differential line receivers like the INA134 and INA137. It is particularly useful in scenarios requiring low distortion and high output drive capability, such as in recording studios, live sound systems, and broadcast equipment.
Q & A
- What is the primary function of the DRV134UA/1K?
The DRV134UA/1K converts a single-ended input signal into a balanced output pair, making it suitable for professional audio applications.
- What is the operating temperature range of the DRV134UA/1K?
The operating temperature range is -55°C to 125°C.
- What is the slew rate of the DRV134UA/1K?
The slew rate is 15 V/µs.
- What is the typical quiescent current of the DRV134UA/1K?
The typical quiescent current is ±5.2 mA.
- What is the maximum supply voltage for the DRV134UA/1K?
The maximum supply voltage is ±18 V.
- What is the distortion level of the DRV134UA/1K at 1 kHz?
The distortion level is 0.0005% at 1 kHz.
- Can the DRV134UA/1K drive large capacitive loads?
Yes, it can easily drive large capacitive loads associated with long audio cables.
- What package types are available for the DRV134UA/1K?
The DRV134UA/1K is available in an 8-pin DIP and a 16-pin SOIC (DW) package.
- Is the DRV134UA/1K RoHS compliant?
Yes, the DRV134UA/1K is RoHS compliant.
- What are the recommended differential line receivers to use with the DRV134UA/1K?
The recommended differential line receivers are the INA134 and INA137.
