Overview
The OPA2134UA is a high-performance, dual-channel operational amplifier from Texas Instruments, part of the Burr-Brown™ Audio series. It is designed for precision audio applications, offering exceptional sound quality, ultra-low distortion, and low noise. The OPA2134UA features a true FET input stage, high speed, and a wide supply voltage range, making it suitable for a variety of demanding audio and signal processing tasks.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Number of Channels | 2 | |
| Total Supply Voltage (min) | 5 | V |
| Total Supply Voltage (max) | 36 | V |
| Bandwidth (typ) | 8 | MHz |
| Slew Rate (typ) | 20 | V/µs |
| Offset Voltage at 25°C (max) | 2 | mV |
| Input Bias Current (max) | 100 | pA |
| Voltage Noise at 1 kHz (typ) | 8 | nV/√Hz |
| THD + N at 1 kHz (typ) | 0.00008% | |
| Operating Temperature Range | -40 to 85 | °C |
| Output Current (typ) | 0.04 | A |
| CMRR (typ) | 100 | dB |
Key Features
- Excellent sound quality with ultra-low distortion of 0.00008% and low noise of 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 from ±2.5V to ±18V.
- Available in single, dual, and quad versions.
- Unity-gain stable and suitable for high load capacitance.
- Completely independent circuitry in dual and quad versions for minimal crosstalk.
Applications
- Professional audio and music equipment.
- Line drivers and line receivers.
- Multimedia audio systems.
- Active filters and preamplifiers.
- Integrators and crossover networks.
- Consumer electronics and automotive audio systems.
Q & A
- What is the OPA2134UA/2K5?
The OPA2134UA/2K5 is a dual high-performance, low noise operational amplifier from Texas Instruments, designed for high-fidelity audio applications.
- How does the OPA2134UA/2K5 work?
The OPA2134UA/2K5 functions as a precision operational amplifier with low noise and high bandwidth, amplifying input signals with high accuracy and low distortion.
- How many pins does the OPA2134UA/2K5 have and what are their functions?
The OPA2134UA/2K5 has 8 pins in an SOIC package. The pinout includes non-inverting input, inverting input, positive and negative power supply, output, and ground pins.
- What are the pros and cons of the OPA2134UA/2K5?
Pros include high performance, low noise, low distortion, and a wide supply voltage range. Cons include a higher cost compared to general-purpose op-amps and potential need for external components.
- Are there any equivalents or alternatives to the OPA2134UA/2K5?
Alternatives include the NJM2114D from New Japan Radio, AD827 from Analog Devices, and LM4562 from Texas Instruments.
- What is the operating temperature range of the OPA2134UA/2K5?
The operating temperature range is -40°C to 85°C.
- What is the typical output current of the OPA2134UA/2K5?
The typical output current is 0.04 A.
- What is the common-mode rejection ratio (CMRR) of the OPA2134UA/2K5?
The CMRR is typically 100 dB.
- Is the OPA2134UA/2K5 unity-gain stable?
Yes, the OPA2134UA/2K5 is unity-gain stable.
- What package types are available for the OPA2134UA/2K5?
The OPA2134UA/2K5 is available in 8-pin DIP and SO-8 surface-mount packages.
