Datasheet > AD8270

AD8270

更新时间： 2024-10-28 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
4页	152K
描述
Precision, Dual-Channel Difference Amplifier

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AD8270 数据手册

Precision, Dual-Channel

Difference Amplifier

Preliminary Technical Data

AD8270

FEATURES

FUNCTIONAL BLOCK DIAGRAM

With no external resistors:

Difference Amplifier: Gains: 0.5, 1, 2

Inverting Amplifier: Gains: 0.5, 1, 2

Noninverting Amplifier: Gains: 1.5, 2, 3

Set reference voltage at 0, +Vs/2, or +Vs

Excellent AC Specifications

10 MHz bandwidth

16 15 14 13

AD8270

10k

–IN1

+IN1

–IN2

+IN2

10k

30V/μs slew rate

Low Distortion

-90 dBc @ 100 kHz, 20Vpp, 600 Ω load

High Accuracy DC Performance

0.05% gain accuracy

20k 20k

10 ppm gain drift

400 uV offset voltage

80 dB CMRR

Two channels in small 4 mm × 4 mm LFCSP

Supply current: 2.5 mA per channel

Supply range: 2.5 V to 18 V

Figure 1. AD8270 Dual Difference Amplifier

Table 1. Difference Amplifiers by Category

APPLICATIONS

Instrumentation Amplifier Building Block

Level Translator

Automatic Test Equipment

High Performance Audio

Sin/Cos Encoders

Single Supply

Uni-directional

AD8202

Single Supply

Bi-directional

AD8205

AD8206

AD8210

Low

High

Distortion Voltage

AD8270

AD8273

AMP03

AD628

AD629

AD8212

AD8203

GENERAL DESCRIPTION

The AD8270 is the first dual difference amplifier in the small 4

mm × 4mm LFCSP. It requires the same board area as a typical

single difference amplifier. The smaller package allows a 2X

increase in channel density and a lower cost per channel, all

with no compromise in performance.

The AD8270 is a low distortion, dual-channel amplifier with

internal gain setting resistors. With no external components, it

can be configured as a high performance difference amplifier

(G=0.5, 1, or 2), inverting amplifier (G=0.5, 1, or 2) or non-

inverting amplifier (G=1.5, 2, or 3).

The AD8270 operates on both single and dual supplies and only

requires 2.5 mA maximum supply current for both amplifiers. It

is specified over the industrial temperature range of −40°C to

+85°C and is fully RoHS compliant.

Rev. PrA

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

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与AD8270相关器件

型号	品牌	获取价格	描述	数据表
AD8270_08	ADI	获取价格	Precision Dual-Channel, Difference Amplifier
AD8270ACPZ-R7	ADI	获取价格	Precision Dual-Channel, Difference Amplifier
AD8270ACPZ-RL	ADI	获取价格	Precision Dual-Channel, Difference Amplifier
AD8270ACPZ-WP	ADI	获取价格	Precision Dual-Channel, Difference Amplifier
AD8271	ADI	获取价格	Low Power, Wide Supply Range, Low Cost Difference Amplifiers,
AD8271ARMZ	ADI	获取价格	Programmable Gain Precision Difference Amplifier
AD8271ARMZ-R7	ADI	获取价格	Programmable Gain Precision Difference Amplifier
AD8271ARMZ-R7	ROCHESTER	获取价格	INSTRUMENTATION AMPLIFIER, 1500 uV OFFSET-MAX, PDSO10, ROHS COMPLIANT, MO-187BA, MSOP-10
AD8271ARMZ-RL	ADI	获取价格	Programmable Gain Precision Difference Amplifier
AD8271BRMZ	ADI	获取价格	Programmable Gain Precision Difference Amplifier

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