Datasheet > AD8225ARZ-R7

AD8225ARZ-R7

更新时间： 2024-11-04 21:12:55

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
17页	320K
描述
Precision Gain of 5 Instrumentation Amplifier

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AD8225ARZ-R7 数据手册

Precision Gain of 5

Instrumentation Amplifier

AD8225

FEATURES

FUNCTIONAL BLOCK DIAGRAM

No External Components Required

Highly Stable, Factory Trimmed Gain of 5

Low Power, 1.2 mA Max Supply Current

Wide Power Supply Range (ꢀ1.7 V to ꢀ18 V)

Single- and Dual-Supply Operation

Excellent Dynamic Performance

High CMRR

AD8225

–IN

+IN

OUT

–V

REF

NC = NO CONNECT

86 dB Min @ DC

80 dB Min to 10 kHz

Wide Bandwidth

900 kHz

4 V to 36 V Single Supply

High Slew Rate

5 V/ꢁs Min

Outstanding DC Precision

Low Gain Drift

5 ppm/ꢂC Max

Low Input Offset Voltage

150 ꢁV Max

Low Offset Drift

2 ꢁV/ꢂC Max

140

130

120

110

100

AD8225

HIGH PERFORMANCE IN AMP

@ GAIN OF 5

Low Input Bias Current

1.2 nA Max

APPLICATIONS

Patient Monitors

100

10k

100k

Current Transmitters

Multiplexed Systems

4 to 20 mA Converters

Bridge Transducers

Sensor Signal Conditioning

FREQUENCY – Hz

Figure 1. Typical CMRR vs. Frequency

GENERAL DESCRIPTION

CMRR performance of the AD8225 rejects noise from utility

systems, motors, and repair equipment on factory floors, switch-

ing power supplies, and medical equipment.

The AD8225 is an instrumentation amplifier with a fixed gain

of 5, which sets new standards of performance. The superior

CMRR of the AD8225 enables rejection of high frequency

common-mode voltage (80 dB Min @ 10 kHz). As a result,

higher ambient levels of noise from utility lines, industrial

equipment, and other radiating sources are rejected. Extended

CMV range enables the AD8225 to extract low level differential

signals in the presence of high common-mode dc voltage levels

even at low supply voltages.

Low input bias currents combined with a high slew rate of 5 V/µs

make the AD8225 ideally suited for multiplexed applications.

The AD8225 provides excellent dc precision, with maximum

input offset voltage of 150 µV and drift of 2 µV/°C. Gain drift is

5 ppm/°C or less.

Operating on either single or dual supplies, the fixed gain of 5

and wide input common-mode voltage range make the AD8225

well suited for patient monitoring applications.

Ambient electrical noise from utility lines is present at 60 Hz

and harmonic frequencies. Power systems operating at 400 Hz

create high noise environments in aircraft instrument clusters.

Good CMRR performance over frequency is necessary if power

system generated noise is to be rejected. The dc to 10 kHz

The AD8225 is packaged in an 8-lead SOIC package and is

specified over the standard industrial temperature range, –40°C

to +85°C.

REV. A

Information furnished by Analog Devices is believed to be accurate and

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

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

12 3 4 5 6 7...17

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AD8225ARZ-R7 替代型号

型号	品牌	替代类型	描述	数据表
AD8225AR	ADI	完全替代	Precision Gain of 5 Instrumentation Amplifier
AD8225AR-REEL7	ADI	完全替代	Precision Gain of 5 Instrumentation Amplifier
AD8225AR-REEL	ADI	完全替代	Precision Gain of 5 Instrumentation Amplifier

与AD8225ARZ-R7相关器件

型号	品牌	获取价格	描述	数据表
AD8225ARZ-REEL7	ADI	获取价格	INSTRUMENTATION AMPLIFIER, 325uV OFFSET-MAX, 0.9MHz BAND WIDTH, PDSO8, SOIC-8
AD8225-EVAL	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8226	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARMZ	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARMZ-R7	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARMZ-RL	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARZ	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARZ-R7	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226ARZ-RL	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
AD8226BRMZ	ADI	获取价格	Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier

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