Burr-Brown, Texas Instruments,OPA134 OPA2134 OPA4134 pdf datasheet download

OPA134
OPA2134
OPA4134

High Performance
AUDIO OPERATIONAL AMPLIFIERS

FEATURES
l SUPERIOR SOUND QUALITY
l ULTRA LOW DISTORTION: 0.00008%
l LOW NOISE: 8nV/ÖHz
l TRUE FET-INPUT: IB = 5pA
l HIGH SPEED:
SLEW RATE: 20V/ms
BANDWIDTH: 8MHz
l HIGH OPEN-LOOP GAIN: 120dB (600W)
l WIDE SUPPLY RANGE: ±2.5V to ±18V
l SINGLE, DUAL, AND QUAD VERSIONS

APPLICATIONS
l PROFESSIONAL AUDIO AND MUSIC
l LINE DRIVERS
l LINE RECEIVERS
l MULTIMEDIA AUDIO
l ACTIVE FILTERS
l PREAMPLIFIERS
l INTEGRATORS
l CROSSOVER NETWORKS

DESCRIPTION
The OPA134 series 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 OPA134’s wide output
swing, to within 1V of the rails, allows increased
headroom making it ideal for use in any audio circuit.
OPA134 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. OPA134 series
op amps 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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