OPA1644 - OPA1641/1642/1644 SoundPLUS? 高性能 JFET 输入音频运算放大器

OPA1644是TI德州仪器公司的一款精密放大器产品，OPA1644是OPA1641/1642/1644 SoundPLUS? 高性能 JFET 输入音频运算放大器，本站介绍了OPA1644的封装应用图解、特点和优点、功能等，并给出了与OPA1644相关的TI元器件型号供参考。

OPA1644 - OPA1641/1642/1644 SoundPLUS? 高性能 JFET 输入音频运算放大器 - 精密放大器 - 运算放大器(OpAmp) - 德州仪器

产品描述

The OPA1641 (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.

These devices operate over a very wide supply voltage range of ±2.25V to ±18V. The OPA1641, OPA1642, and OPA1644 series of op amps are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions.

The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.

The OPA1641, OPA1642, and OPA1644 are specified from –40°C to +85°C.

产品特性

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/µs
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

SoundPlus is a trademark of Texas Instruments Incorporated. BLU-RAY is a trademark of Blu-Ray Disc Assocation. All other trademarks are the property of their respective owners.

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