Datasheet > OP275_04

OP275_04

更新时间： 2024-02-15 17:29:45

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
12页	394K
描述
Dual Bipolar/JFET, Audio Operational Amplifier

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OP275_04 数据手册

Dual Bipolar/JFET, Audio

Operational Ampliﬁer

OP275^*

FEATURES

PIN CONNECTIONS

Excellent Sonic Characteristics

Low Noise: 6 nV/ Hz

8-Lead Narrow-Body SOIC

(S Sufﬁx)

8-Lead PDIP

(P Sufﬁx)



Low Distortion: 0.0006%

High Slew Rate: 22V/s

Wide Bandwidth: 9 MHz

Low Supply Current: 5 mA

Low OffsetVoltage: 1 mV

Low Offset Current: 2 nA

Unity Gain Stable

OUT A

–IN A

+IN A

V–

V+

OP275

V+

OUT A

–IN A

+IN A

V–

OUT B

–IN B

+IN B

OP275

OUT B

–IN B

+IN B

SOIC-8 Package

PDIP-8 Package

APPLICATIONS

High Performance Audio

Active Filters

Fast Ampliﬁers

Integrators

GENERAL DESCRIPTION

Improved dc performance is also provided with bias and offset

currents greatly reduced over purely bipolar designs. Input offset

voltage is guaranteed at 1 mV and is typically less than 200 µV.

This allows the OP275 to be used in many dc-coupled or sum-

ming applications without the need for special selections or the

added noise of additional offset adjustment circuitry.

The OP275 is the ﬁrst ampliﬁer to feature the Butler Ampliﬁer

front end.This new front end design combines both bipolar

and JFET transistors to attain ampliﬁers with the accuracy and

low noise performance of bipolar transistors, and the speed and

sound quality of JFETs. Total Harmonic Distortion plus Noise

equals that of previous audio ampliﬁers, but at much lower

supply currents.

The output is capable of driving 600  loads to 10V rms while

maintaining low distortion.THD + Noise at 3V rms is a low

0.0006%.

A very low l/f corner of below 6 Hz maintains a ﬂat noise density

response.Whether noise is measured at either 30 Hz or 1 kHz,

The OP275 is speciﬁed over the extended industrial (–40°C to

+85°C) temperature range. OP275s are available in both plas-

tic DIP and SOIC-8 packages. SOIC-8 packages are available

in 2500-piece reels. Many audio ampliﬁers are not offered

in SOIC-8 surface-mount packages for a variety of reasons;

however, the OP275 was designed so that it would offer full

performance in surface-mount packaging.



it is only 6 nV Hz.The JFET portion of the input stage gives

the OP275 its high slew rates to keep distortion low, even when

large output swings are required, and the 22V/µs slew rate of the

OP275 is the fastest of any standard audio ampliﬁer. Best of all,

this low noise and high speed are accomplished using less than

5 mA of supply current, lower than any standard audio ampliﬁer.

*Protected by U.S. Patent No. 5,101,126.

REV.C

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed byAnalog Devices for its

use, nor for any infringements of patents or other rights of third parties

that may result from its use. No license is granted by implication or oth-

erwise under any patent or patent rights of Analog Devices.Trademarks

and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与OP275_04相关器件

型号	品牌	获取价格	描述	数据表
OP275AZ/883	ETC	获取价格	Voltage-Feedback Operational Amplifier
OP275GBC	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GP	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GPZ	ADI	获取价格	暂无描述
OP275GS	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GSR	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GS-REEL	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GS-REEL7	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GSZ	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier
OP275GSZ-REEL	ADI	获取价格	Dual Bipolar/JFET, Audio Operational Amplifier

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