Overview
The OPA2134PAG4 is a high-performance audio operational amplifier produced by Texas Instruments. It is part of the OPAx134 series, which includes the OPA134, OPA2134, and OPA4134. These amplifiers are fully specified for audio applications and are known for their ultra-low distortion and low noise characteristics. The OPA2134PAG4 features a true FET-input stage, providing excellent sound quality and high speed for exceptional audio performance.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package / Case | 8-DIP (0.300, 7.62mm) |
| Number of Pins | 8 |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | ±2.5V to ±18V |
| Operating Supply Current | 4mA |
| Slew Rate | 20V/μs |
| Unity Gain Bandwidth | 8MHz |
| Input Offset Voltage (Vos) | 2mV |
| Common Mode Rejection Ratio | 86 dB |
| Output Current per Channel | 35mA |
| Input Bias Current | 5pA |
Key Features
- Excellent sound quality with ultra-low distortion (0.00008%)
- Low noise: 8nV/√Hz
- True FET-input stage with low input bias current (IB = 5pA)
- High speed: Slew rate of 20V/μs and bandwidth of 8MHz
- High open-loop gain: 120dB (2kΩ)
- Wide supply range: ±2.5V to ±18V
- Single, dual, and quad versions available
- Unity-gain stable and excellent dynamic behavior over a wide range of load conditions
Applications
The OPA2134PAG4 is suitable for a wide variety of demanding audio applications, including professional audio equipment, high-fidelity audio systems, and audio processing circuits. Its high output drive capability, excellent DC performance, and wide output swing make it an excellent choice for use in any audio circuit. It is also used in applications requiring low distortion and high signal integrity.
Q & A
- What is the OPA2134PAG4 used for?
The OPA2134PAG4 is used in high-performance audio applications, including professional audio equipment and high-fidelity audio systems, due to its ultra-low distortion and low noise characteristics.
- What is the operating temperature range of the OPA2134PAG4?
The operating temperature range of the OPA2134PAG4 is -40°C to 85°C.
- What is the supply voltage range for the OPA2134PAG4?
The supply voltage range for the OPA2134PAG4 is ±2.5V to ±18V.
- What is the slew rate of the OPA2134PAG4?
The slew rate of the OPA2134PAG4 is 20V/μs.
- What is the input bias current of the OPA2134PAG4?
The input bias current of the OPA2134PAG4 is 5pA.
- Is the OPA2134PAG4 RoHS compliant?
Yes, the OPA2134PAG4 is RoHS3 compliant and lead-free.
- What is the common mode rejection ratio (CMRR) of the OPA2134PAG4?
The CMRR of the OPA2134PAG4 is 86 dB.
- What is the output current per channel of the OPA2134PAG4?
The output current per channel of the OPA2134PAG4 is 35mA.
- Is the OPA2134PAG4 unity-gain stable?
Yes, the OPA2134PAG4 is unity-gain stable.
- What package types are available for the OPA2134PAG4?
The OPA2134PAG4 is available in 8-pin DIP and SO-8 surface-mount packages.
- What are the key benefits of using the OPA2134PAG4 in audio applications?
The key benefits include excellent sound quality, ultra-low distortion, low noise, high speed, and high open-loop gain, making it ideal for demanding audio applications.
