Datasheet > AD8270_08

AD8270_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
20页	606K
描述
Precision Dual-Channel, Difference Amplifier

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AD8270_08 数据手册

Precision Dual-Channel,

Difference Amplifier

AD8270

FUNCTIONAL BLOCK DIAGRAM

FEATURES

With no external resistors

Difference amplifier: gains of 0.5, 1, or 2

Single ended amplifiers: over 40 different gains

Set reference voltage at midsupply

Excellent ac specifications

15 MHz bandwidth

30 V/μs slew rate

10kΩ

–IN1A 1

–IN2A 2

+IN2A 3

+IN1A 4

12 –IN1B

11 –IN2B

10 +IN2B

High accuracy dc performance

0.08% maximum gain error

10kΩ

10 ppm/°C maximum gain drift

80 dB minimum CMRR (G = 2)

Two channels in small 4 mm × 4 mm LFCSP

Supply current: 2.5 mA per channel

Supply range: 2.5 V to 18 V

AD8270

+IN1B

20kΩ 20kΩ

APPLICATIONS

Instrumentation amplifier building blocks

Level translators

Figure 1.

Automatic test equipment

High performance audio

Sine/Cosine encoders

GENERAL DESCRIPTION

Table 1. Difference Amplifiers by Category

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

with gains of 0.5, 1, or 2. It can also be configured in over 40 single-

ended configurations, with gains ranging from −2 to +3.

High

Speed

High

Voltage

Single-Supply

Unidirectional

Single-Supply

Bidirectional

AD8270

AD8273

AMP03

AD628

AD629

AD8202

AD8203

AD8205

AD8206

AD8216

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

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

single-difference amplifier. The smaller package allows a 2×

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

with no compromise in performance.

The AD8270 operates on both single and dual supplies and

requires only 2.5 mA maximum supply current for each ampli-

fier. It is specified over the industrial temperature range of

−40°C to +85°C and is fully RoHS compliant.

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

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