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OPA134-OPA134PA-OPA134UA-OPA134UA G4-OPA134UAG4
SoundPlus(TM) High Performance Audio Operational Amplifiers
Frequency (Hz)
THD+Noise (%)
0.00001 100 1k 10k 20k
VO= 10Vrms = 2kW
VS= ±16 = ±17 VS = ±18
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OPA134, OPA2134, OPA4134SBOS058A –DECEMBER 1997–REVISED OCTOBER 2015
OPAx134 SoundPlus™ High Performance Audio Operational Amplifiers Features 3 DescriptionThe OPA134 series are ultra-low distortion, low-noise Superior Sound Quality operational amplifiers fully specified for audio• Ultra Low Distortion: 0.00008% applications.A true FET input stageis incorporatedto• Low Noise:8 nV/√Hz provide superior sound quality and speed for
exceptional audio performance. This,in combination• True FET-Input:IB= 5pA with high output drive capability and excellent DC• High Speed: performance, allows for use ina wide variety of– Slew Rate:20 V/µs demanding applications.In addition, the OPA134 has wide output swing, to within1V of the rails,– Bandwidth:8 MHz
allowing increased headroom and makingit ideal for• High Open-Loop Gain: 120 dB (600Ω) usein any audio circuit.• Wide Supply Range: ±2.5Vto ±18V
The OPA134 SoundPlus™ audio operational• Single, Dual, and Quad Versions amplifiers are easy to use and free from phase-
inversion and the overload problems often foundin
2 Applications common FET-input operational amplifiers. They can operated from ±2.5-Vto ±18-V power supplies.• Professional Audio and Music
Input cascode circuitry provides excellent common-• Line Drivers mode rejection and maintains low input bias current• Line Receivers over its wide input Multimedia Audio distortion. OPA134 series
unity-gain stable and• Active Filters behavior overa wide• Preamplifiers including high load capacitance.• Integrators versions feature completely
lowest crosstalk and• Crossover Networks
when overdrivenor overloaded.
THD+Noise vs Frequency Single and dual versions
and SO-8 surface-mount
configurations. The quad
and SO-14 surface mount
for –40°Cto 85°C operation.
available for design analysis.
Device(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
