1641

Sound Plus™ High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

DESCRIPON

The OPA single, OPA1642 dual, and OPA1644 quad series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Features include 5.1nV/√Hz noise, low THD+N 0.00005%, a low input bias current of 2pA, and low quiescent current of 1.8mA per channel.

FEATURES

• SUPERIOR SOUND QUALITY

• TRUE JFET INPUT OP AMP WITH LOW INPUT BIAS CURRENT

• LOW NOISE: 5.1nV/√Hz at 1kHz

• ULTRALOW DISTORTION: 0.00005% at 1kHz

• HIGH SLEW RATE: 20V/ms

• UNITY GAIN STABLE

• NO PHASE REVERSAL

• LOW QUIESCENT CURRENT: 1.8mA per Channel

• RAIL-TO-RAIL OUTPUT

• WIDE SUPPLY RANGE: ±2.25V to ±18V

• SINGLE, DUAL, AND QUAD VERSIONS AVAILABLE

APPLICATIONS

• PROFESSIONAL AUDIO EQUIPMENT

• ANALOG AND DIGITAL MIXING CONSOLES

• BROADCAST STUDIO EQUIPMENT

• HIGH-END A/V RECEIVERS

• HIGH-END BLU-RAY™ PLAYERS