Overview
The OPA134UA/2K5 is a high-performance audio operational amplifier from Texas Instruments, part of the OPAx134 series. This single-channel op-amp is renowned for its excellent sound quality, ultra-low distortion, and low noise characteristics, making it ideal for a variety of audio applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±2.5 | - | ±18 | V |
| Input Voltage | (V–) – 0.5 | - | (V+) + 0.5 | V |
| Input Current | - | - | ±10 | mA |
| Operating Temperature | -40 | - | 85 | °C |
| Junction Temperature | - | - | 150 | °C |
| Open-Loop Gain (RL = 2kΩ) | 104 | - | 120 | dB |
| Slew Rate | - | 20 | - | V/µs |
| Bandwidth | - | 8 | - | MHz |
| Input Bias Current | - | 5 | - | pA |
| Voltage Noise | - | 8 | - | nV/√Hz |
Key Features
- Excellent sound quality
- Ultra-low distortion: 0.00008%
- Low noise: 8nV/√Hz
- True FET-input: IB = 5pA
- High speed:
- Slew rate: 20V/µs
- Bandwidth: 8MHz
- High open-loop gain: 120dB (2kΩ)
- Wide supply range: ±2.5V to ±18V
- Available in single, dual, and quad versions
Applications
- Professional audio and music
- Line drivers
- Line receivers
- Multimedia audio
- Active filters
- Preamplifiers
- Integrators
- Crossover networks
Q & A
- What is the typical slew rate of the OPA134UA/2K5?
The typical slew rate is 20V/µs.
- What is the bandwidth of the OPA134UA/2K5?
The bandwidth is 8MHz.
- What is the input bias current of the OPA134UA/2K5?
The input bias current is 5pA.
- What is the voltage noise of the OPA134UA/2K5?
The voltage noise is 8nV/√Hz.
- What is the operating temperature range of the OPA134UA/2K5?
The operating temperature range is -40°C to 85°C.
- What are the typical applications of the OPA134UA/2K5?
Typical applications include professional audio, line drivers, line receivers, multimedia audio, active filters, preamplifiers, integrators, and crossover networks.
- What is the open-loop gain of the OPA134UA/2K5?
The open-loop gain is 104 to 120 dB (RL = 2kΩ).
- What is the supply voltage range of the OPA134UA/2K5?
The supply voltage range is ±2.5V to ±18V.
- Is the OPA134UA/2K5 available in different package options?
- What is the distortion level of the OPA134UA/2K5?
The distortion level is ultra-low at 0.00008%.
