Datasheet > AD823A-2AR-EBZ

AD823A-2AR-EBZ

更新时间： 2024-11-18 07:18:51

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	509K
描述
Wide Supply Dual, 17 MHz, Rail-to-Rail

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AD823A-2AR-EBZ 数据手册

Wide Supply Dual, 17 MHz, Rail-to-Rail

FET Input Amplifier

Data Sheet

AD823A

FEATURES

CONNECTION DIAGRAM

Single-supply operation

Output swings rail-to-rail

OUT1

–IN1

OUT2

–IN2

+IN2

+IN1

Input voltage range extends below ground

Single-supply capability from 3 V to 36 V

High load drive

Capacitive load drive of 470 pF (G = +1, 25% overshoot)

Linear output current of 40 mA, 0.5 V from supplies

Excellent ac performance on 2.6 mA/amplifier

−3 dB bandwidth of 17 MHz, G = +1

325 ns settling time to 0.01% (2 V step)

Slew rate of 30 V/μs

–V

AD823A

Figure 1. 8-Lead SOIC

AD823A

OUT1

–IN1

+IN1

OUT2

–IN2

+IN2

–V

Low distortion: −108 dBc at 20 kHz (G = −1, R_L= 2 kΩ)

Good dc performance

TOP VIEW

(Not to Scale)

700 μV maximum input offset voltage

1 μV/°C offset voltage drift

Figure 2. 8-Lead MSOP

25 pA maximum input bias current

Low noise: 14 nV/√Hz at 10 kHz

No phase inversion with inputs to the supply rails

= 3V

= 50pF

G = +1

3.0V

1.5V

APPLICATIONS

Photodiode preamps

Active filters

12-bit to 16-bit data acquisition systems

Medical instrumentation

Precision instrumentation

GENERAL DESCRIPTION

200µs/DIV

500mV/DIV

The AD823A is a dual precision, 17 MHz, JFET input op amp

manufactured in the extra fast complementary bipolar (XFCB)

process. The AD823A can operate from a single supply of 3 V

to 36 V or from dual supplies of 1.ꢀ V to 18 V. It has true

single-supply capability with an input voltage range extending

below ground in single-supply mode. Output voltage swing extends

to within 20 mV of each rail for IOUT ≤ 100 μA, providing

outstanding output dynamic range. It also has a linear output

current of 40 mA, 0.ꢀ V from the supply rails.

Figure 3. Output Swing, +V_S= +3 V, G = +1

This combination of ac and dc performance, plus the outstanding

load drive capability, results in an exceptionally versatile ampli-

fier for applications such as ADC drivers, high speed active filters,

and other low voltage, high dynamic range systems.

The AD823A is available over the industrial temperature range

of −40°C to +8ꢀ°C and is offered in an 8-lead SOIC package and

an 8-lead MSOP package.

An offset voltage of 700 μV maximum, an offset voltage drift of

1 μV/°C, and typical input bias currents of 0.3 pA provide dc

precision with source impedances up to 1 GΩ. The AD823A

provides 17 MHz, −3 dB bandwidth, and a 30 V/μs slew rate with

a low supply current of only 2.6 mA per amplifier. It also provides

low input voltage noise of 14 nV/√Hz and −108 dB SFDR at

20 kHz. The AD823A has low input capacitances (0.6 pF differ-

ential and 1.3 pF common mode) and drives more than ꢀ00 pF

of direct capacitive load as a follower. This lets the amplifier

handle a wide range of load conditions.

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD823A-2AR-EBZ相关器件

型号	品牌	获取价格	描述	数据表
AD823A-2ARM-EBZ	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AARMZ	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AARMZ-R7	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AARZ	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AARZ-R7	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AARZ-RL	ADI	获取价格	Wide Supply Dual, 17 MHz, Rail-to-Rail
AD823AN	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
AD823ANZ	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
AD823AR	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
AD823AR-REEL	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier

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