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Product Description

The OPA2134PA series op amps are ultra-low distortion, low noise operational amplifiers fully specified for audio applications. A true FET-input stage was incorporated to provide superior sound quality and speed for exceptional audio performance. This in combination with high output drive capability and excellent DC performance allows use in a wide variety of demanding applications. In addition, the OPA2134PA's wide output swing, to within 1V of the rails, allows increased headroom making it ideal for use in any audio circuit.

The OPA2134PA op amps are easy to use and free from phase inversion and overload problems often found in common FET-input op amps. They can be operated from +/-2.5V to +/-18V power supplies. Input cascode circuitry provides excellent common-mode rejection and maintains low input bias current over its wide input voltage range, minimizing distortion. The OPA2134PA series op amps are unity-gain stable and provide excellent dynamic behaviour over a wide range of load conditions, including high load capacitance. The OPA2134PA is a dual op amp and features completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded. The OPA2134PA op amps are specified for -40^oC to +85^oC operation.

The OPA2134PA is one of the recommended replacement op amps for the following sound cards :-

Auzentech X-Plosion 7.1 DTS and DDL Sound Card

Auzentech X-Meridian 7.1 DTS and DDL Sound Card

• superior sound quality
• ultra low distortion: 0.00008%
• low noise
• true FET-input: I_B = 5pA
• high speed: Slew rate: 20V/ms and bandwidth: 8MHz
• high open-loop gain: 120dB (600W)
• wide supply range: +/-2.5V to +/-18V