OPA2134

PDIP (P)

8

93 mm² 9.81 x 9.43

SOIC (D)

8

19 mm² 3.91 x 4.9

SOIC (D)

8

19 mm² 4.9 x 3.9

Superior Sound Quality
Ultra Low Distortion: 0.00008%
Low Noise: 8 nV/√Hz
True FET-Input: I_B = 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

Superior Sound Quality
Ultra Low Distortion: 0.00008%
Low Noise: 8 nV/√Hz
True FET-Input: I_B = 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

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.

The OPA134 SoundPlus™ audio operational amplifiers are easy to use and free from phase-inversion and the overload problems often found in common FET-input operational amplifiers. They can be operated from ±2.5-V to ±18-V power supplies. Input cascode circuitry provides excellent common-mode rejection and maintains low input bias current over its wide input voltage range, minimizing distortion. OPA134 series operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions, including high load capacitance. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.

Single and dual versions are available in 8-pin DIP and SO-8 surface-mount packages in standard configurations. The quad is available in 14-pin DIP and SO-14 surface mount packages. All are specified for –40°C to 85°C operation. A SPICE macromodel is available for design analysis.

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.

The OPA134 SoundPlus™ audio operational amplifiers are easy to use and free from phase-inversion and the overload problems often found in common FET-input operational amplifiers. They can be operated from ±2.5-V to ±18-V power supplies. Input cascode circuitry provides excellent common-mode rejection and maintains low input bias current over its wide input voltage range, minimizing distortion. OPA134 series operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions, including high load capacitance. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.

Single and dual versions are available in 8-pin DIP and SO-8 surface-mount packages in standard configurations. The quad is available in 14-pin DIP and SO-14 surface mount packages. All are specified for –40°C to 85°C operation. A SPICE macromodel is available for design analysis.

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SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier SoundPlus™ audio op amp with wider bandwidth and lower noise

Technical documentation

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	Type	Title	Date
*	Data sheet	OPAx134 SoundPlus™ High Performance Audio Operational Amplifiers datasheet (Rev. A)	28 Oct 2015
	Application note	Understanding Op Amp Noise in Audio Circuits	14 Jun 2021
	Technical article	No headroom, no problem: buffering and filtering an audio signal chain in low-voltage systems	11 Apr 2019
	E-book	The Signal e-book: A compendium of blog posts on op amp design topics	28 Mar 2017
	Technical article	Achieve big board-size reductions with tiny, precision op amps	20 Jan 2017
	Technical article	Amp up your cans: Is your op amp stable? (Part 2)	22 Jan 2016
	Analog design journal	Stabilizing difference amplifiers for headphone applications	28 Apr 2015
	Analog design journal	Reducing distortion from CMOS analog switches	29 Jan 2015
	Technical article	Stress-induced outbursts: Microphonics in ceramic capacitors (Part 2)	23 Dec 2014
	Analog design journal	Distortion and source impedance in JFET-input op amps	24 Oct 2014
	Application note	Remove the DC Portion of Signals with the ADS7817	27 Sep 2000

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