AD823ANZ

更新时间： 2024-11-18 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
20页	472K
描述
Dual, 16 MHz, Rail-to-Rail FET Input Amplifier

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AD823ANZ 数据手册

Dual, 16 MHz, Rail-to-Rail

FET Input Amplifier

AD823

FEATURES

CONNECTION DIAGRAM

Single-supply operation

Output swings rail-to-rail

Input voltage range extends below ground

Single-supply capability from 3 V to 36 V

High load drive

OUT1

–IN1

OUT2

–IN2

+IN2

+IN1

–V

AD823

Figure 1. 8-Lead PDIP and SOIC

Capacitive load drive of 500 pF, G = +1

Output current of 15 mA, 0.5 V from supplies

Excellent ac performance on 2.6 mA/amplifier

−3 dB bandwidth of 16 MHz, G = +1

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

Slew rate of 22 V/μs

= 100kΩ

= 50pF

+V = +3V

G = +1

Good dc performance

800 μV maximum input offset voltage

2 μV/°C offset voltage drift

25 pA maximum input bias current

Low distortion: −108 dBc worst harmonic @ 20 kHz

Low noise: 16 nV/√Hz @ 10 kHz

GND

No phase inversion with inputs to the supply rails

500mV

200µs

APPLICATIONS

Figure 2. Output Swing, +V_S= +3 V, G = +1

Battery-powered precision instrumentation

Photodiode preamps

Active filters

12-bit to 16-bit data acquisition systems

Medical instrumentation

+V = +5V

G = +1

–1

–2

–3

–4

–5

–6

GENERAL DESCRIPTION

The AD823 is a dual precision, 16 MHz, JFET input op amp

that can operate from a single supply of 3.0 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

ꢀ0 mV of each rail for I_OUT≤ 100 μA, providing outstanding

output dynamic range.

–7

–8

10k

100k

10M

FREQUENCY (Hz)

An offset voltage of 800 μV maximum, an offset voltage drift of

2 μV/°C, input bias currents below 2ꢀ pA, and low input voltage

noise provide dc precision with source impedances up to a

Gigaohm. It provides 16 MHz, −3 dB bandwidth, −108 dB THD

@ 20 kHz, and a 22 V/μs slew rate with a low supply current of

2.6 mA per amplifier. The AD823 drives up to ꢀ00 pF of direct

capacitive load as a follower and provides an output current of

1ꢀ mA, 0.ꢀ V from the supply rails. This allows the amplifier to

handle a wide range of load conditions.

Figure 3. Small Signal Bandwidth, 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 A/D drivers, high speed active

filters, and other low voltage, high dynamic range systems.

The AD823 is available over the industrial temperature range of

−40°C to +8ꢀ°C and is offered in both 8-lead PDIP and 8-lead

SOIC packages.

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

www.analog.com

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AD823ANZ 替代型号

型号	品牌	替代类型	描述	数据表
TLE2142CP	TI	功能相似	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2142ID	TI	功能相似	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
TLE2142ACD	TI	功能相似	EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

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AD823AR-REEL7	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
AD823ARZ	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
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AD823ARZ-REEL7	ADI	获取价格	IC DUAL OP-AMP, 3500 uV OFFSET-MAX, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8, Operational A
AD823ARZ-RL	ADI	获取价格	Dual, 16 MHz, Rail-to-Rail FET Input Amplifier
AD824	ADI	获取价格	Single Supply, Rail-to-Rail Low Power, FET-Input Op Amp
AD824_03	ADI	获取价格	Single Supply, Rail-to-Rail Low Power, FET-Input Op Amp
AD824_15	ADI	获取价格	Single Supply, Rail-to-Rail Low Power, FET-Input Op Amp

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