OPA1642

更新时间： 2024-11-04 05:58:23

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
21页	745K
描述
High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

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OPA1642 数据手册

OPA1641

OPA1642

Burr-Brown Audio

OPA1644

www.ti.com

SBOS484 –DECEMBER 2009

™ High-Performance, JFET-Input

AUDIO OPERATIONAL AMPLIFIERS

Check for Samples: OPA1641 OPA1642 OPA1644

FEATURES

DESCRIPTION

234

•

SUPERIOR SOUND QUALITY

The OPA1641 (single), OPA1642 (dual), and

OPA1644 (quad) series are JFET-input, ultralow

distortion, low-noise operational amplifiers fully

specified for audio applications.

•

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

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.

UNITY GAIN STABLE

NO PHASE REVERSAL

LOW QUIESCENT CURRENT:

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.

•

RAIL-TO-RAIL OUTPUT

WIDE SUPPLY RANGE: ±2.25V to ±18V

SINGLE, DUAL, AND QUAD VERSIONS

AVAILABLE

The dual and quad versions feature completely

independent circuitry for lowest crosstalk and

freedom from interactions between channels, even

when overdriven or overloaded.

APPLICATIONS

•

PROFESSIONAL AUDIO EQUIPMENT

ANALOG AND DIGITAL MIXING CONSOLES

BROADCAST STUDIO EQUIPMENT

HIGH-END A/V RECEIVERS

The OPA1641, OPA1642, and OPA1644 are

specified from –40°C to +85°C. SoundPlus™

HIGH-END BLU-RAY™ PLAYERS

V+

Pre-Output Driver

OUT

IN-

IN+

V-

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...21

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OPA1642 替代型号

型号	品牌	替代类型	描述	数据表
OPA134	TI	功能相似	具有 FET 输入的单路 SoundPlus™ 8MHz、50pA 高性能音频运算放大器
OPA1641	TI	功能相似	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA604	TI	功能相似	FET-Input, Low Distortion OPERATIONAL AMPLIFIER

与OPA1642相关器件

型号	品牌	获取价格	描述	数据表
OPA1642AID	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1642AIDGKR	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1642AIDGKT	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1642AIDR	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1642AQDGKRQ1	TI	获取价格	汽车类双路 SoundPlus™ 高性能、JFET 输入音频运算放大器 \| DGK \| 8
OPA1642-Q1	TI	获取价格	汽车类双路 SoundPlus™ 高性能、JFET 输入音频运算放大器
OPA1644	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1644AID	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1644AIDR	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS
OPA1644AIPW	TI	获取价格	High-Performance, JFET-Input AUDIO OPERATIONAL AMPLIFIERS

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