Datasheet > AD548AR

AD548AR

更新时间： 2024-11-21 20:51:19

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
12页	209K
描述
IC OP-AMP, 3000 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier

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AD548AR 数据手册

Precision, Low Power

BiFET Op Amp

AD548

CONNECTION DIAGRAMS

Plastic Mini-DIP (N) Package

and

FEATURES

Enhanced Replacement for LF441 and TL061

DC Performance:

SOIC (R)Package

200 ꢀA max Quiescent Current

10 pA max Bias Current, Warmed Up (AD548C)

250 ꢀV max Offset Voltage (AD548C)

2 ꢀV/ꢁC max Drift (AD548C)

2 ꢀV p-p Noise, 0.1 Hz to 10 Hz

AC Performance:

OFFSET NULL

V+

INVERTING

INPUT

NONINVERTING

INPUT

OUTPUT

1.8 V/ꢀs Slew Rate

OFFSET

NULL

AD548

V–

1 MHz Unity Gain Bandwidth

Available in Plastic and Hermetic Metal Can Packages

and in Chip Form

Available in Tape and Reel in Accordance with

EIA-481A Standard

TOP VIEW

NOTE: PIN 4 CONNECTED TO CASE

NC = NO CONNECT

MIL-STD-883B Parts Available

Dual Version Available: AD648

Surface-Mount (SOIC) Package Available

10kꢂ

–15V

PRODUCT DESCRIPTION

TRIM

The AD548 is a low power, precision monolithic operational

amplifier. It offers both low bias current (10 pA max, warmed

up) and low quiescent current (200 µA max) and is fabricated

with ion-implanted FET and laser wafer trimming technologies.

Input bias current is guaranteed over the AD548’s entire

common-mode voltage range.

TOP VIEW

PRODUCT HIGHLIGHTS

1. A combination of low supply current, excellent dc and ac

performance and low drift makes the AD548 the ideal op

amp for high performance, low power applications.

The economical J grade has a maximum guaranteed input offset

voltage of less than 2 mV and an input offset voltage drift of less

than 20 µV/°C. This level of dc precision is achieved utilizing

Analog’s laser wafer drift trimming process. The combination of

low quiescent current and low offset voltage drift minimizes

changes in input offset voltage due to self-heating effects.

2. The AD548 is pin compatible with industry standard op

amps such as the LF441, TL061, and AD542, enabling

designers to improve performance while achieving a reduction

in power dissipation of up to 85%.

The AD548 is recommended for any dual supply op amp applica-

tion requiring low power and excellent dc and ac performance.

In applications such as battery-powered, precision instrument

front ends and CMOS DAC buffers, the AD548’s excellent com-

bination of low input offset voltage and drift, low bias current,

and low 1/f noise reduces output errors. High common-mode

rejection (82 dB, min on the “B” grade) and high open-loop

gain ensures better than 12-bit linearity in high impedance,

buffer applications.

3. Guaranteed low input offset voltage (2 mV max) and drift

(20 µV/°C max) for the AD548J are achieved utilizing

Analog Devices’ laser drift trimming technology, eliminating

the need for external trimming.

4. Analog Devices specifies each device in the warmed-up

condition, insuring that the device will meet its published

specifications in actual use.

5. A dual version, the AD648, is also available.

6. Enhanced replacement for LF441 and TL061.

The AD548 is pinned out in a standard op amp configuration

and is available in three performance grades. The AD548J and

AD548K are rated over the commercial temperature range of

0°C to 70°C. The AD548B is rated over the industrial tempera-

ture range of –40°C to +85°C.

The AD548 is available in an 8-lead plastic mini-DIP and

surface-mount (SOIC) packages.

REV. D

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

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AD548AR相关器件

型号	品牌	获取价格	描述	数据表
AD548AR-REEL	ADI	获取价格	IC OP-AMP, 3000 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier
AD548AR-REEL7	ADI	获取价格	AD548AR-REEL7
AD548B	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548BH	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548BH/+	ADI	获取价格	IC IC,OP-AMP,SINGLE,BIPOLAR/JFET,CAN,8PIN,METAL, Operational Amplifier
AD548BN	ADI	获取价格	IC OP-AMP, 800 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDIP8, MINI, PLASTIC, DIP-8, Operational A
AD548BQ	ADI	获取价格	IC OP-AMP, 800 uV OFFSET-MAX, 1 MHz BAND WIDTH, CDIP8, HERMETIC SEALED, CERDIP-8, Operatio
AD548BQ/+	ADI	获取价格	IC IC,OP-AMP,SINGLE,BIPOLAR/JFET,DIP,8PIN,CERAMIC, Operational Amplifier
AD548BR	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548BR-REEL	ADI	获取价格	Precision, Low Power BiFET Op Amp

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