AD795KN

更新时间： 2025-07-31 22:25:31

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路光电二极管
页数	文件大小	规格书
16页	333K
描述
Low Power, Low Noise Precision FET Op Amp

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中文翻译

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AD795KN 数据手册

Low Power, Low Noise

Precision FET Op Amp

AD795

FEATURES

CO NNECTIO N D IAGRAMS

Low Pow er Replacem ent for Burr-Brow n

OPA-111, OPA-121 Op Am ps

Low Noise

8-P in P lastic Mini-D IP (N) P ackage

= ±15V

2.5 ␮V p-p m ax, 0.1 Hz to 10 Hz

11 nV/ √Hz m ax at 10 kHz

0.6 fA/ √Hz at 1 kHz

High DC Accuracy

250 ␮V m ax Offset Voltage

3 ␮V/ ؇C m ax Drift

100

LOAD RESISTANCE –

Ω

10k

1 pA m ax Input Bias Current

Low Pow er: 1.5 m A m ax Supply Current

Available in Low Cost Plastic Mini-DIP and Surface

Mount (SOIC) Packages

8-P in SO IC (R) P ackage

–IN

+IN

OUTPUT

APPLICATIONS

Low Noise Photodiode Pream ps

CT Scanners

–V

AD795

NC = NO CONNECT

Precision l-to-V Converters

P RO D UCT D ESCRIP TIO N

Furthermore, the AD795 features a guaranteed low input noise

of 2.5 µV p-p (0.1 Hz to 10 Hz) and a 11 nV/√Hz max noise

level at 10 kHz. T he AD795 has a fully specified and tested

input offset voltage drift of only 3 µV/°C max.

T he AD795 is a low noise, precision, FET input operational

amplifier. It offers both the low voltage noise and low offset drift

of a bipolar input op amp and the very low bias current of a

FET -input device. T he 10¹⁴Ω common-mode impedance

insures that input bias current is essentially independent of

common-mode voltage and supply voltage variations.

T he AD795 is useful for many high input impedance, low noise

applications. T he AD795J and AD795K are rated over the

commercial temperature range of 0°C to +70°C.

T he AD795 has both excellent dc performance and a guaran-

teed and tested maximum input voltage noise. It features 1 pA

maximum input bias current and 250 µV maximum offset volt-

age, along with low supply current of 1.5 mA max.

T he AD795 is available in 8-pin plastic mini-DIP and 8-pin

surface mount (SOIC) packages.

100

SAMPLE SIZE = 570

100

FREQUENCY – Hz

10k

–5

–4

–3

–2

–1

INPUT OFFSET VOLTAGE DRIFT – µV/°C

AD795 Voltage Noise Spectral Density

Typical Distribution of Average Input Offset Voltage Drift

REV. A

Inform ation furnished by Analog Devices is believed to be accurate and

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

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

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...16

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