Overview
The OPA2134UA/2K5G4 is a high-performance audio operational amplifier from Texas Instruments, part of the OPAx134 SoundPlus™ series. This dual-channel operational amplifier is designed to deliver exceptional sound quality, ultra-low distortion, and low noise, making it ideal for a wide range of audio applications. The device features a true FET-input stage, which provides excellent sound quality and speed, along with high output drive capability and excellent DC performance. It is available in an 8-pin SOIC (D) package and is specified for operation over a temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Package Type | SOIC (D) | |
| Pins | 8 | |
| Operating Temperature Range | –40 to 85 | °C |
| Supply Voltage Range | ±2.5V to ±18V | V |
| Ultra-low Distortion | 0.00008% | |
| Low Noise | 8nV/√Hz | |
| Input Bias Current | 5pA | |
| Slew Rate | 20V/µs | |
| Bandwidth | 8MHz | |
| Open-loop Gain | 120dB (2kΩ) |
Key Features
- Excellent sound quality with ultra-low distortion (0.00008%) and low noise (8nV/√Hz).
- True FET-input stage with an input bias current of 5pA.
- High speed with a slew rate of 20V/µs and a bandwidth of 8MHz.
- High open-loop gain of 120dB (2kΩ).
- Wide supply range: ±2.5V to ±18V.
- Wide output swing, to within 1V of the rails, providing increased headroom.
- Unity-gain stable and excellent dynamic behavior over a wide range of load conditions.
- Completely independent circuitry in dual and quad versions for lowest crosstalk and freedom from interaction.
Applications
- Professional audio and music equipment.
- Line drivers and line receivers.
- Multimedia audio systems.
- Active filters and preamplifiers.
- Integrators and crossover networks.
Q & A
- What is the OPA2134UA/2K5G4 used for?
The OPA2134UA/2K5G4 is used in various audio applications requiring high sound quality, ultra-low distortion, and low noise.
- What is the distortion level of the OPA2134UA/2K5G4?
The OPA2134UA/2K5G4 has an ultra-low distortion level of 0.00008%.
- What is the noise level of the OPA2134UA/2K5G4?
The noise level is 8nV/√Hz.
- What is the input bias current of the OPA2134UA/2K5G4?
The input bias current is 5pA.
- What is the slew rate and bandwidth of the OPA2134UA/2K5G4?
The slew rate is 20V/µs, and the bandwidth is 8MHz.
- What is the open-loop gain of the OPA2134UA/2K5G4?
The open-loop gain is 120dB (2kΩ).
- What is the supply voltage range for the OPA2134UA/2K5G4?
The supply voltage range is ±2.5V to ±18V.
- What are the common applications of the OPA2134UA/2K5G4?
Common applications include professional audio, line drivers, line receivers, multimedia audio, active filters, preamplifiers, integrators, and crossover networks.
- What package types are available for the OPA2134UA/2K5G4?
The OPA2134UA/2K5G4 is available in an 8-pin SOIC (D) package.
- What is the operating temperature range for the OPA2134UA/2K5G4?
The operating temperature range is –40°C to +85°C.
