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AD8426ACPZ-R7

更新时间： 2024-11-25 12:20:47

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器放大器电路 PC
页数	文件大小	规格书
28页	805K
描述
Wide Supply Range, Rail-to-Rail

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替代型号

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AD8426ACPZ-R7 数据手册

Wide Supply Range, Rail-to-Rail

Output Instrumentation Amplifier

AD8426

CONNECTION DIAGRAM

FEATURES

2 channels in a small, 4 mm × 4 mm LFCSP

LFCSP package has no metal pad

More routing room

No current leakage to pad

Gain set with 1 external resistor

Gain range: 1 to 1000

Input voltage goes below ground

Inputs protected beyond supplies

Very wide power supply range

Single supply: 2.2 V to 36 V

16 15 14 13

AD8426

12 –IN2

–IN1

RG1

+IN1

RG2

+IN2

Dual supply: 1.35 V to 18 V

Bandwidth (G = 1): 1 MHz

Figure 1.

CMRR (G = 1): 80 dB minimum

Input noise: 24 nV/√Hz

Typical supply current (per amplifier): 350 μA

Specified temperature range: −40°C to +125°C

Table 1. Instrumentation Amplifiers by Category¹

General-

Purpose

Zero

Drift

Military

Grade

Low

Power

High Speed

PGA

AD8220

AD8221

AD8222

AD8224

AD8228

AD8295

AD8231

AD8290

AD8293

AD8553

AD8556

AD8557

AD620

AD621

AD524

AD526

AD624

AD627

AD623

AD8250

AD8251

AD8253

APPLICATIONS

Industrial process controls

Bridge amplifiers

Medical instrumentation

Portable data acquisition

Multichannel systems

AD8235

AD8236

AD8426

AD8226

AD8227

¹See www.analog.com for the latest instrumentation amplifiers.

GENERAL DESCRIPTION

The AD8426 is a dual-channel, low cost, wide supply range

instrumentation amplifier that requires only one external

resistor to set any gain from 1 to 1000.

The AD8426 is designed to make PCB routing easy and efficient.

The two amplifiers are arranged in a logical way so that typical

application circuits have short routes and few vias. Unlike most

chip scale packages, the AD8426 does not have an exposed metal

pad on the bottom of the part, which frees additional space for

routing and vias. The AD8426 offers two in-amps in the equivalent

board space of a typical MSOP package.

The AD8426 is designed to work with a variety of signal

voltages. A wide input range and rail-to-rail output allow the

signal to make full use of the supply rails. Because the input

range can also go below the negative supply, small signals near

ground can be amplified without requiring dual supplies. The

AD8426 operates on supplies ranging from 1.35 V to 18 V

for dual supplies and 2.2 V to 36 V for a single supply.

The AD8426 is ideal for multichannel, space-constrained industrial

applications. Unlike other low cost, low power instrumentation

amplifiers, the AD8426 is designed with a minimum gain of 1 and

can easily handle 10 V signals. With its space-saving LFCSP

package and 125°C temperature rating, the AD8426 thrives in

tightly packed, zero airflow designs.

The robust AD8426 inputs are designed to connect to real-

world sensors. In addition to its wide operating range, the

AD8426 can handle voltages beyond the rails. For example,

with a 5 V supply, the part is guaranteed to withstand 35 V

at the input with no damage. Minimum and maximum input

bias currents are specified to facilitate open-wire detection.

The AD8226 is the single-channel version of the AD8426.

Rev. 0

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

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...28

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AD8426ACPZ-R7 替代型号

型号	品牌	替代类型	描述	数据表
AD8426BCPZ-WP	ADI	类似代替	Wide Supply Range, Rail-to-Rail
AD8426BCPZ-R7	ADI	类似代替	Wide Supply Range, Rail-to-Rail
AD8426ACPZ-WP	ADI	类似代替	Wide Supply Range, Rail-to-Rail

与AD8426ACPZ-R7相关器件

型号	品牌	获取价格	描述	数据表
AD8426ACPZ-WP	ADI	获取价格	Wide Supply Range, Rail-to-Rail
AD8426BCPZ-R7	ADI	获取价格	Wide Supply Range, Rail-to-Rail
AD8426BCPZ-WP	ADI	获取价格	Wide Supply Range, Rail-to-Rail
AD8428	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428_12	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428ARZ	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428ARZ-RL	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428BRZ	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428BRZ-RL	ADI	获取价格	Low Noise, Low Gain Drift, G = 2000
AD8428-KGD-WP	ADI	获取价格	Instrumentation Amplifier

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