Overview
The OPA2134UAG4, produced by Texas Instruments, is part of the OPAx134 series of ultra-low distortion, low-noise operational amplifiers. These amplifiers are fully specified for audio applications and are known for their excellent sound quality and high-speed performance. The OPA2134UAG4 is a dual-channel version, making it suitable for a wide range of demanding audio circuits. It features a true FET-input stage, high output drive capability, and excellent DC performance, which together provide unmatched audio performance and versatility in various applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage Range | ±2.5V to ±18V | V |
| Input Bias Current | 5pA | A |
| Slew Rate | 20V/µs | V/µs |
| Bandwidth | 8MHz | Hz |
| Open-Loop Gain | 120dB (2kΩ) | dB |
| Output Voltage Swing | Within 1V of the rails | V |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | 8-pin SOIC |
Key Features
- Ultra-low distortion: 0.00008% THD+Noise
- Low noise: 8nV/√Hz
- True FET-input with high input impedance
- High speed: 20V/µs slew rate and 8MHz bandwidth
- High open-loop gain: 120dB
- Wide supply range: ±2.5V to ±18V
- Wide output swing: within 1V of the rails
- Unity-gain stable with excellent dynamic behavior
- Completely independent circuitry in dual and quad versions for low crosstalk
Applications
- Professional audio and music
- Line drivers and line receivers
- Multimedia audio
- Active filters
- Preamplifiers and integrators
- Crossover networks
Q & A
- What is the typical supply voltage range for the OPA2134UAG4?
The OPA2134UAG4 can operate from ±2.5V to ±18V power supplies.
- What is the input bias current of the OPA2134UAG4?
The input bias current is typically 5pA.
- What is the slew rate of the OPA2134UAG4?
The slew rate is 20V/µs.
- What is the bandwidth of the OPA2134UAG4?
The bandwidth is 8MHz.
- What is the open-loop gain of the OPA2134UAG4?
The open-loop gain is 120dB (with a 2kΩ load).
- What is the output voltage swing of the OPA2134UAG4?
The output voltage swing is within 1V of the rails.
- What is the operating temperature range of the OPA2134UAG4?
The operating temperature range is –40°C to +85°C.
- In what package types is the OPA2134UAG4 available?
The OPA2134UAG4 is available in an 8-pin SOIC package.
- What are some common applications of the OPA2134UAG4?
Common applications include professional audio, line drivers, line receivers, multimedia audio, active filters, preamplifiers, integrators, and crossover networks.
- Is the OPA2134UAG4 unity-gain stable?
