Datasheet > ADA4622-1ARJZ-R7

ADA4622-1ARJZ-R7

更新时间： 2024-11-09 19:06:31

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
37页	1215K
描述
30 V, 8 MHz, Low Bias Current, Single-Supply, RRO, Precision Op Amps

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ADA4622-1ARJZ-R7 数据手册

30 V, 8 MHz, Low Bias Current,

Single-Supply, RRO, Precision Op Amps

Data Sheet

ADA4622-1/ADA4622-2/ADA4622-4

FEATURES

PIN CONFIGURATION

Next generation of the AD820/AD822/AD824

Wide gain bandwidth product: 8 MHz typical

High slew rate

OUT A

–IN A

+IN A

V–

V+

ADA4622-2

TOP VIEW

(Not to Scale)

OUT B

–IN B

+IN B

23 V/µs typical (low to high)

−18 V/µs typical (high to low)

Low input bias current: 10 pA maximum at T_A= 25°C

Low offset voltage

A grade: 0.8 mV maximum at T_A= 25°C

B grade: 0.35 mV maximum at T_A= 25°C

Low offset voltage drift

Figure 1. 8-Lead Mini Small Outline Package [MSOP] Pin Configuration

(See the Pin Configurations and Function Descriptions Section

for Additional Pin Configurations)

A grade: 2 µV/°C typical, 15 µV/°C maximum

B grade: 2 µV/°C typical, 5 µV/°C maximum

Input voltage range includes Pin V−

Rail-to-rail output

Electromagnetic interference rejection ratio (EMIRR)

90 dB typical at f = 1000 MHz and f = 2400 MHz

Industry-standard package and pinouts

APPLICATIONS

High output impedance sensor interfaces

Photodiode sensor interfaces

Transimpedance amplifiers

ADC drivers

Precision filters and signal conditioning

GENERAL DESCRIPTION

The ADA4622-1/ADA4622-2/ADA4622-4 are the next generation

of the AD820/AD822/AD824 single-supply, rail-to-rail output

(RRO), precision junction field effect transistors (JFET) input

op amps. The ADA4622-1/ADA4622-2/ADA4622-4 include

many improvements that make them desirable as upgrades

without compromising the flexibility and ease of use that makes

the AD820/AD822/AD824 useful for a wide variety of applications.

Voltage noise is reduced; although the supply current remains

the same as the AD820/AD822/AD824, broadband noise is

reduced by 25%, and 1/f is reduced by half. DC precision in the

ADA4622-1/ADA4622-2/ADA4622-4 improved from the

AD820/AD822/AD824 with half the offset and a maximum

thermal drift specification added to the ADA4622-1/ADA4622-2/

ADA4622-4. The common-mode rejection ratio (CMRR) is

improved from the AD820/AD822/AD824 to make the

The input voltage range includes the negative supply and the

output swings rail-to-rail. Input EMI filters increase the signal

robustness in the face of closely located switching noise sources.

ADA4622-1/ADA4622-2/ADA4622-4 more suitable when used in

noninverting gain and difference amplifier configurations.

The ADA4622-1/ADA4622-2/ADA4622-4 are specified for

operation over the extended industrial temperature range of −40°C

to +125°C, and operate from 5 V to 30 V, with specifications at

+5 V, 5 V, and 15 V. The ADA4622-1 is available in a 5-lead

SOT-23 package and an 8-lead LFCSP package. The ADA4622-2

is available in an 8-lead SOIC package, an 8-lead MSOP package,

and an 8-lead LFCSP package. The ADA4622-4 is available in a

14-lead SOIC and a 16-lead, 4 × 4 mm LFCSP.

The speed, in terms of bandwidth and slew rate, increases along

with a strong output drive to improve settling time performance

and enables the devices to drive the inputs of modern single-

ended, successive approximation register (SAR) analog-to-

digital converters (ADCs).

Rev. C

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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