Overview
The OPA4134UA/2K5 is a high-performance quad operational amplifier from Texas Instruments, part of the SoundPlus™ series. It is specifically designed for audio applications, offering exceptional sound quality and speed. The device features a true FET input stage, which provides unmatched sound quality and high output drive capability. This combination, along with excellent DC performance, makes it suitable for a wide variety of demanding audio applications. The OPA4134UA/2K5 operates from ±2.5V to ±18V power supplies and is available in a compact 14-pin SOIC package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | - |
| Package | 14-SOIC | - |
| Operating Temperature Range | -40°C to 85°C | °C |
| Supply Voltage Range | ±2.5V to ±18V (5V to 36V single supply) | V |
| Gain Bandwidth Product | 8MHz | MHz |
| Slew Rate | 20V/µs | V/µs |
| Input Offset Voltage | 500µV | µV |
| Input Bias Current | 5pA | pA |
| Quiescent Current per Channel | 4mA | mA |
| Open-Loop Gain | 120dB (RL = 2kΩ) | dB |
| Total Harmonic Distortion + Noise | 0.00008% | % |
| Voltage Noise | 8nV/√Hz | nV/√Hz |
Key Features
- Excellent sound quality with ultra-low distortion (0.00008%) and low noise (8nV/√Hz).
- True FET-input stage with low input bias current (5pA).
- High speed with a slew rate of 20V/µs and a gain bandwidth product of 8MHz.
- High open-loop gain of 120dB (RL = 2kΩ).
- Wide supply voltage range of ±2.5V to ±18V.
- Unity-gain stable and excellent dynamic behavior over a wide range of load conditions, including high load capacitance.
- Completely independent circuitry in dual and quad versions for lowest crosstalk and freedom from interaction.
- Compact 14-SOIC package suitable for space-constrained designs.[
- RoHS-3 compliant for environmental sustainability.[
Applications
- Professional audio and music equipment.[
- Line drivers and line receivers.[
- Multimedia audio systems.[
- Active filters and preamplifiers.[
- Integrators and crossover networks.[
- Microphone preamplifiers.[
- Filter circuits and sensor signal conditioning.[
- Instrumentation amplifiers.[
Q & A
- What is the OPA4134UA/2K5 used for?
The OPA4134UA/2K5 is a high-performance quad operational amplifier designed for audio applications, offering excellent sound quality and speed.
- What is the supply voltage range of the OPA4134UA/2K5?
The OPA4134UA/2K5 operates from ±2.5V to ±18V power supplies.
- What is the slew rate of the OPA4134UA/2K5?
The slew rate of the OPA4134UA/2K5 is 20V/µs.
- What is the total harmonic distortion + noise of the OPA4134UA/2K5?
The total harmonic distortion + noise of the OPA4134UA/2K5 is 0.00008%.
- What is the input bias current of the OPA4134UA/2K5?
The input bias current of the OPA4134UA/2K5 is 5pA.
- Is the OPA4134UA/2K5 RoHS compliant?
Yes, the OPA4134UA/2K5 is RoHS-3 compliant.
- What are the typical applications of the OPA4134UA/2K5?
The OPA4134UA/2K5 is used in professional audio, line drivers, multimedia audio, active filters, preamplifiers, integrators, crossover networks, microphone preamplifiers, filter circuits, and sensor signal conditioning.
- What is the operating temperature range of the OPA4134UA/2K5?
The operating temperature range of the OPA4134UA/2K5 is -40°C to 85°C.
- What is the gain bandwidth product of the OPA4134UA/2K5?
The gain bandwidth product of the OPA4134UA/2K5 is 8MHz.
- How many channels does the OPA4134UA/2K5 have?
The OPA4134UA/2K5 is a quad operational amplifier, meaning it has 4 independent channels.
