AD706AN

更新时间： 2024-11-19 22:47:31

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
8页	249K
描述
Dual Picoampere Input Current Bipolar Op Amp

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AD706AN 数据手册

Dual Picoampere Input

Current Bipolar Op Amp

AD706

FEATURE

CO NNECTIO N D IAGRAM

HIGH DC PRECISION

P lastic Mini-D IP (N)

Cerdip (Q) and

P lastic SO IC (R) P ackages

50 ␮V m ax Offset Voltage

0.6 ␮V/ ؇C m ax Offset Drift

110 pA m ax Input Bias Current

LOW NOISE

0.5 ␮V p-p Voltage Noise, 0.1 Hz to 10 Hz

AMPLIFIER 1

AMPLIFIER 2

AD706

OUTPUT

–IN

V؉

LOW POWER

750 ␮A Supply Current

Available in 8-Lead Plastic Mini-DlP, Herm etic Cerdip

and Surface Mount (SOIC) Packages

Available in Tape and Reel in Accordance w ith

EIA-481A Standard

OUTPUT

–IN

؉IN

V–

؉IN

TOP VIEW

Single Version: AD705, Quad Version: AD704

PRIMARY APPLICATIONS

Low Frequency Active Filters

Precision Instrum entation

Precision Integrators

T he AD706 is offered in three varieties of an 8-lead package:

plastic mini-DIP, hermetic cerdip and surface mount (SOIC).

“J” grade chips are also available.

P RO D UCT D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD706 is a dual, low power, bipolar op amp that has the

low input bias current of a BiFET amplifier, but which offers a

significantly lower I_Bdrift over temperature. It utilizes superbeta

bipolar input transistors to achieve picoampere input bias cur-

rent levels (similar to FET input amplifiers at room tempera-

ture), while its I_Btypically only increases by 5× at 125°C (unlike

a BiFET amp, for which I_Bdoubles every 10°C for a 1000×

increase at 125°C). T he AD706 also achieves the microvolt

offset voltage and low noise characteristics of a precision bipolar

input amplifier.

1. T he AD706 is a dual low drift op amp that offers BiFET

level input bias currents, yet has the low I_Bdrift of a bipolar

amplifier. It may be used in circuits using dual op amps such

as the LT 1024.

2. T he AD706 provides both low drift and high dc precision.

3. T he AD706 can be used in applications where a chopper

amplifier would normally be required but without the

chopper’s inherent noise.

100

Since it has only 1/20 the input bias current of an OP07, the

AD706 does not require the commonly used “balancing” resis-

tor. Furthermore, the current noise is 1/5 that of the OP07,

which makes this amplifier usable with much higher source

impedances. At 1/6 the supply current (per amplifier) of the

OP07, the AD706 is better suited for today’s higher density

boards.

TYPICAL JFET AMP

T he AD706 is an excellent choice for use in low frequency

active filters in 12- and 14-bit data acquisition systems, in preci-

sion instrumentation and as a high quality integrator. T he

AD706 is internally compensated for unity gain and is available

in five performance grades. T he AD706J and AD706K are rated

over the commercial temperature range of 0°C to +70°C. T he

AD706A and AD706B are rated over the industrial temperature

range of –40°C to +85°C.

0.1

AD706

0.01

–55

+25

+110

+125

TEMPERATURE – ؇C

Figure 1. Input Bias Current vs. Tem perature

REV. C

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: 781/ 329-4700

Fax: 781/ 326-8703

World Wide Web Site: http:/ / w w w .analog.com

12 3 4 5 6 7 8

中文翻译

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AD706AN 替代型号

型号	品牌	替代类型	描述	数据表
AD706KN	ADI	功能相似	Dual Picoampere Input Current Bipolar Op Amp
AD706JN	ADI	功能相似	Dual Picoampere Input Current Bipolar Op Amp
AD706AQ	ADI	功能相似	Dual Picoampere Input Current Bipolar Op Amp

与AD706AN相关器件

型号	品牌	获取价格	描述	数据表
AD706AQ	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706AR	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706AR	ROCHESTER	获取价格	DUAL OP-AMP, 150 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO8, PLASTIC, MS-012AA, SOIC-8
AD706AR-REEL	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706AR-REEL7	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706ARZ	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706ARZ	ROCHESTER	获取价格	暂无描述
AD706ARZ-REEL	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp
AD706ARZ-REEL	ROCHESTER	获取价格	DUAL OP-AMP, 150 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, PLASTIC, MS-012
AD706ARZ-REEL7	ADI	获取价格	Dual Picoampere Input Current Bipolar Op Amp

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