AD548KNZ

更新时间： 2024-11-25 12:52:39

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	221K
描述
Precision, Low Power BiFET Op Amp

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AD548KNZ 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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中文翻译

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AD548KNZ 替代型号

型号	品牌	替代类型	描述	数据表
AD548KN	ADI	完全替代	Precision, Low Power BiFET Op Amp
ADA4000-1ARZ	ADI	功能相似	Low Cost, Precision JFET Input Operational Amplifier in TSOT
TLE2061IP	TI	功能相似	EXCALIBUR JFET-INPUT HIGH-OUTPUT-DRIVE mPOWER OPERATIONAL AMPLIFIERS

与AD548KNZ相关器件

型号	品牌	获取价格	描述	数据表
AD548KR	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548KR	ROCHESTER	获取价格	OP-AMP, 700 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8, SOIC-8
AD548KR-REEL	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548KR-REEL7	ADI	获取价格	IC OP-AMP, 700 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier
AD548S	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548SCHIPS	ADI	获取价格	IC OP-AMP, 2000 uV OFFSET-MAX, 1 MHz BAND WIDTH, UUC7, DIE-7, Operational Amplifier
AD548SH	ADI	获取价格	Precision, Low Power BiFET Op Amp
AD548SH/883B	ADI	获取价格	IC OP-AMP, 2000 uV OFFSET-MAX, 1 MHz BAND WIDTH, MBCY8, METAL CAN, TO-99, 8 PIN, Operation
AD548SN	ETC	获取价格	OP-AMP\|SINGLE\|BIPOLAR/JFET\|DIP\|8PIN\|PLASTIC
AD548SQ	ADI	获取价格	IC OP-AMP, 2000 uV OFFSET-MAX, 1 MHz BAND WIDTH, CDIP8, HERMETIC SEALED, CERDIP-8, Operati

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