OPA1671 Audio Operational Amplifier

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1 Features

Low noise:

4nV/√Hz at 10kHz

4.7fA/√Hz at 1kHz

Low Distortion: -109dB (0.00035%)

Wide Gain Bandwidth: 13MHz

Rail-to-rail input and output

Low Supply Voltage Operating Range: 1.7V to 5.5V

Low input capacitance

Differential Mode: 6pF

Common mode: 2.5pF

Low input bias current: 10pA

Low power supply current: 940μA

Industry Standard Packages: SC-70 and SOT-23

2 Applications

Microphone Preamp

Auxiliary Line In and Out

Active filter circuit

Transimpedance amplifier

voltage buffer

3 Description

The OPA1671 is a wide bandwidth, low noise, low distortion audio operational amplifier that provides rail-to-rail input and output operation. The device offers the perfect combination of low voltage noise, current noise, and input capacitance, enabling high performance in a variety of audio and industrial applications. The unique internal topology of the OPA1671 provides extremely low distortion (-109dB) while consuming only 940µA of supply current. The high bandwidth (13MHz) and high slew rate (5V/μs) of the OPA1671 make the device an excellent choice for high gain audio and industrial signal conditioning.

The OPA1671 is available in SC-70 and SOT-23 packages and operates over the industrial temperature range of –40°C to +125°C.

Shenzhen Yujixin Electronics Co., Ltd.

Contact: Mr. Xiao

Mobile: +86-134-3077-2257 (same number on WeChat)

Tel: +86-0755-2870-8773

QQ: 1157099927 2039672975

E-mail: xiaozheng1608@163.com

Address of Shenzhen Office: Room B17, West 5th Floor, Building 4, SEG Science and Technology Park, Huaqiang North, Futian District, Shenzhen