AD623BNZ

更新时间： 2024-11-03 08:16:47

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器光电二极管
页数	文件大小	规格书
24页	1431K
描述
Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

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AD623BNZ 数据手册

Single-Supply, Rail-to-Rail, Low Cost

Instrumentation Amplifier

AD623

FEATURES

CONNECTION DIAGRAM

AD623

Easy to use

–R

Higher performance than discrete design

Single-supply and dual-supply operation

Rail-to-rail output swing

–IN

+IN

OUTPUT

REF

–V

Input voltage range extends 150 mV below

ground (single supply)

TOP VIEW

(Not to Scale)

Low power, 550 μA maximum supply current

Gain set with one external resistor

Gain range: 1 (no resistor) to 1000

High accuracy dc performance

Figure 1. 8-Lead PDIP (N), SOIC (R), and MSOP (RM) Packages

120

110

0.10% gain accuracy (G = 1)

0.35% gain accuracy (G > 1)

100

×1000

10 ppm maximum gain drift (G = 1)

200 μV maximum input offset voltage (AD623A)

2 μV/°C maximum input offset drift (AD623A)

100 μV maximum input offset voltage (AD623B)

1 μV/°C maximum input offset drift (AD623B)

25 nA maximum input bias current

Noise: 35 nV/√Hz RTI noise @ 1 kHz (G = 1)

Excellent ac specifications

×100

×10

×1

90 dB minimum CMRR (G = 10); 70 dB minimum CMRR (G = 1)

at 60 Hz, 1 kΩ source imbalance

800 kHz bandwidth (G = 1)

100

10k

100k

FREQUENCY (Hz)

Figure 2. CMR vs. Frequency, 5 V_S, 0 V_S

20 μs settling time to 0.01% (G = 10)

APPLICATIONS

The AD623 holds errors to a minimum by providing superior

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

well as line harmonics, are rejected because the CMRR remains

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

mode range and can amplify signals that have a common-mode

voltage 150 mV below ground. Although the design of the AD623

was 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).

Low power medical instrumentation

Transducer interfaces

Thermocouple amplifiers

Industrial process controls

Difference amplifiers

Low power data acquisition

GENERAL DESCRIPTION

The AD623 is an integrated single-supply instrumentation

amplifier that delivers rail-to-rail output swing on a 3 V to 12 V

supply. The AD623 offers superior user flexibility by allowing

single gain set resistor programming and by conforming to the

8-lead industry standard pinout configuration. 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 1000.

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

maximizes the dynamic range when operating from low supply

voltages. The AD623 replaces discrete instrumentation amplifier

designs and offers superior linearity, temperature stability, and

reliability in a minimum of space.

Rev. D

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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AD623BNZ 替代型号

型号	品牌	替代类型	描述	数据表
AD623BN	ADI	完全替代	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
INA126UA	TI	功能相似	36V 微功耗 (175µA)、250µV 失调电压、精密仪器放大器 \| D \| 8

与AD623BNZ相关器件

型号	品牌	获取价格	描述	数据表
AD623BR	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623BR-REEL	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623BR-REEL7	ADI	获取价格	Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623BRZ	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623BRZ-R7	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623BRZ-RL	ADI	获取价格	Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
AD623-EVAL	ADI	获取价格	Evaluation Board for the AD623
AD623-EVALZ	ADI	获取价格	Evaluation Board for the AD623
AD624	ADI	获取价格	Precision Instrumentation Amplifier
AD624-00	RHOPOINT	获取价格	GMR Digital Sensor Evaluation Kit

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