OPA134PA vs OPA134PA3 vs OPA134PAG4 Comparison

Description The OPA134 series are ultra-low distortion, low-noise operational amplifiers fully specified for audio  applications. A true FET input stage is 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 for use in a wide variety of demanding applications. In addition, the OPA134 has a wide output swing, to within 1 V of the rails, allowing increased headroom and making it ideal for use in any audio circuit. Features • Superior Sound Quality • Ultra Low Distortion: 0.00008% • Low Noise: 8 nV/√Hz • True FET-Input: IB = 5pA • High Speed: – Slew Rate: 20 V/µs – Bandwidth: 8 MHz • High Open-Loop Gain: 120 dB (600 Ω) • Wide Supply Range: ±2.5 V to ±18 V • Single, Dual, and Quad Versions Applications • Professional Audio and Music • Line Drivers • Line Receivers • Multimedia Audio • Active Filters • Preamplifiers • Integrators • Crossover Networks

Description The OPA134 series are ultra-low distortion, low-noise operational amplifiers fully specified for audio  applications. A true FET input stage is 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 for use in a wide variety of demanding applications. In addition, the OPA134 has a wide output swing, to within 1 V of the rails, allowing increased headroom and making it ideal for use in any audio circuit. Features • Superior Sound Quality • Ultra Low Distortion: 0.00008% • Low Noise: 8 nV/√Hz • True FET-Input: IB = 5pA • High Speed: – Slew Rate: 20 V/µs – Bandwidth: 8 MHz • High Open-Loop Gain: 120 dB (600 Ω) • Wide Supply Range: ±2.5 V to ±18 V • Single, Dual, and Quad Versions Applications • Professional Audio and Music • Line Drivers • Line Receivers • Multimedia Audio • Active Filters • Preamplifiers • Integrators • Crossover Networks

The OPA134PAG4 is a SoundPlus high performance audio operational amplifier in 8 pin DIP package. It is an ultra low distortion, low noise operational amplifier. 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. The OPA134 is easy to use and free from phase inversion and overload problems often found in common FET input op amps. This device is unity gain stable and provides excellent dynamic behaviour over a wide range of load conditions including high load capacitance.

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Ultra low distortion of 0.00008%

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Low noise of 8nV/√Hz

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True FET input (IB) of 5pA

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Slew rate of 20V/µs

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Gain bandwidth product of 8MHz

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High open loop gain of 120dB (600W)

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Wide supply voltage range from ±2.5V to ±18V

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Input offset voltage of ±0.5mV

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Input bias current of 5pA

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Operating temperature range from -55°C to 125°C