AD623AN

更新时间： 2024-11-02 22:47:31

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器
页数	文件大小	规格书
16页	960K
描述
Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

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替代型号

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AD623AN 数据手册

Single Supply, Rail-to-Rail, Low Cost

Instrumentation Amplifier

AD623

FEATURES

Easy to Use

Higher Performance than Discrete Design

Single and Dual Supply Operation

Rail-to-Rail Output Swing

CONNECTION DIAGRAM

8-Lead Plastic DIP (N),

SOIC (R) and ␮SOIC (RM) Packages

Input Voltage Range Extends 150 mV Below Ground

(Single Supply)

Low Power, 575 ␮A Max Supply Current

Gain Set with One External Resistor

Gain Range 1 (No Resistor) to 1,000

؉R

؉V

؊R

؊IN

؉IN

OUTPUT

؊V

REF

AD623

HIGH ACCURACY DC PERFORMANCE

0.1% Gain Accuracy (G = 1)

0.35% Gain Accuracy (G > 1)

25 ppm Gain Drift (G = 1)

200 ␮V Max Input Offset Voltage (AD623A)

2 ␮V/؇C Max Input Offset Drift (AD623A)

100 ␮V Max Input Offset Voltage (AD623B)

1 ␮V/؇C Max Input Offset Drift (AD623B)

25 nA Max Input Bias Current

common-mode range and can amplify signals that have a

common-mode voltage 150 mV below ground. Although the

design of the AD623 has been optimized to operate from a single

supply, the AD623 still provides superior performance when

operated from a dual voltage supply (±2.5 V to ±6.0 V).

NOISE

35 nV/√Hz RTI Noise @ 1 kHz (G = 1)

EXCELLENT AC SPECIFICATIONS

90 dB Min CMRR (G = 10); 84 dB Min CMRR (G = 5)

(@ 60 Hz, 1K Source Imbalance)

800 kHz Bandwidth (G = 1)

20 ␮s Settling Time to 0.01% (G = 10)

Low power consumption (1.5 mW at 3 V), wide supply voltage

range, and rail-to-rail output swing make the AD623 ideal for

battery powered applications. The rail-to-rail output stage maxi-

mizes the dynamic range when operating from low supply volt-

ages. The AD623 replaces discrete instrumentation amplifier

designs and offers superior linearity, temperature stability and

reliability in a minimum of space. Until the AD623, this level of

instrumentation amplifier performance has not been achieved.

APPLICATIONS

Low Power Medical Instrumentation

Transducer Interface

Thermocouple Amplifier

Industrial Process Controls

Difference Amplifier

120

110

Low Power Data Acquisition

100

x1000

PRODUCT DESCRIPTION

x100

The AD623 is an integrated single supply instrumentation am-

plifier that delivers rail-to-rail output swing on a single supply

(+3 V to +12 V supplies). The AD623 offers superior user flex-

ibility by allowing single gain set resistor programming, and

conforming to the 8-lead industry standard pinout configura-

tion. With no external resistor, the AD623 is configured for

unity gain (G = 1) and with an external resistor, the AD623 can

be programmed for gains up to 1,000.

x10

The AD623 holds errors to a minimum by providing superior

AC CMRR that increases with increasing gain. Line noise, as

well as line harmonics, will be rejected since the CMRR re-

mains constant up to 200 Hz. The AD623 has a wide input

100k

100

10k

FREQUENCY – Hz

Figure 1. CMR vs. Frequency, +5 V_S, 0 V_S

REV. C

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

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

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

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

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AD623AN 替代型号

型号	品牌	替代类型	描述	数据表
AD623ANZ	ADI	完全替代	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

与AD623AN相关器件

型号	品牌	获取价格	描述	数据表
AD623ANZ	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623AR	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARM	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARM-REEL	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARM-REEL7	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARMZ	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARMZ-REEL	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623ARMZ-REEL7	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623AR-REEL	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623AR-REEL7	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

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