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AD8293G160ARJZ-R2

更新时间： 2024-11-24 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器放大器电路光电二极管 PC
页数	文件大小	规格书
16页	390K
描述
Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain

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Low Cost, Zero-Drift In-Amp

with Filter and Fixed Gain

AD8293G80/AD8293G160

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Small package: 8-lead SOT-23

Reduced component count

FILT

OUT

Incorporates gain resistors and filter resistors

Low offset voltage: 20 μV maximum

Low offset drift: 0.3 μV/°C maximum

Low gain drift: 25 ppm/°C maximum

High CMR: 140 dB typical

+IN

5kΩ

4kΩ

IN-AMP

ADC OUT

OUTPUT TO ADC

WITH ANTIALIASING

FILTER

–IN

Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz

Single-supply operation: 1.8 V to 5.5 V

Rail-to-rail output

GND REF

AD8293Gxx

Figure 1.

Available in 2 fixed-gain models

+5V

APPLICATIONS

0.1µF

Current sensing

Strain gauges

Laser diode control loops

Portable medical instruments

Thermocouple amplifiers

+V_S

FILT

OUT

LOAD

+IN

5kΩ

4kΩ

R_SHUNT

ADC

IN-AMP

ADC OUT

–IN

REF

+3.3V

1.8V

DC-DC

0.1µF

10µF

GND REF

AD8293Gxx

Figure 2. Measuring Current Using the AD8293G80/AD8293G160

Table 1. AD8293Gxx Models and Gains

Model

Gain

AD8293G80

AD8293G160

160

GENERAL DESCRIPTION

The AD8293G80/AD8293G160 are small, low cost, precision

instrumentation amplifiers that have low noise and rail-to-rail

outputs. They are available in two fixed-gain models: 80 and 160.

They incorporate the gain setting resistors and filter resistors,

reducing the number of ancillary components. For example,

only two external capacitors are needed to implement a 2-pole

filter. The AD8293G80/AD8293G160 also feature low offset

voltage, offset drift, and gain drift coupled with high common-

mode rejection. They are capable of operating on a supply of

1.8 V to 5.5 V.

Precision instrumentation, position and pressure sensors,

medical instrumentation, and strain gauge amplifiers benefit

from the low noise, low input bias current, and high common-

mode rejection. The small footprint and low cost are ideal for

high volume applications.

The small package and low power consumption allow the maxi-

mum channel density and the minimum board size required for

portable systems. Designed for ease of use, these instrumentation

amplifiers, unlike more traditional ones, have a buffered reference,

eliminating the need for an additional op amp to set the reference

voltage to midsupply.

With a low offset voltage of 20 μV (AD8293G160B), an offset

voltage drift of 0.3 μV/°C, and a voltage noise of only 0.7 μV p-p

(0.01 Hz to 10 Hz), the AD8293G80/AD8293G160 are ideal

for applications where error sources cannot be tolerated.

The AD8293G80/AD8293G160 are specified over the industrial

temperature range from −40°C to +85°C. The AD8293G80/

AD8293G160 are available in a halogen-free, Pb-free, 8-lead SOT-23.

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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AD8293G160ARJZ-R2 替代型号

型号	品牌	替代类型	描述	数据表
AD8293G160ARJZ-RL	ADI	完全替代	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80ARJZ-RL	ADI	完全替代	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G160ARJZ-R7	ADI	类似代替	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain

与AD8293G160ARJZ-R2相关器件

型号	品牌	获取价格	描述	数据表
AD8293G160ARJZ-R7	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G160ARJZ-RL	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G160BRJZ-R2	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G160BRJZ-R7	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G160BRJZ-RL	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80ARJZ-R2	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80ARJZ-R7	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80ARJZ-RL	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain
AD8293G80BRJZ-R2	ADI	获取价格	Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain

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