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AD8224HBCPZ-RL

更新时间： 2024-11-03 12:50:03

品牌	Logo	应用领域
亚德诺 - ADI		仪表放大器
页数	文件大小	规格书
28页	838K
描述
Precision, Dual-Channel, JFET Input, Rail-to-Rail Instrumentation Amplifier

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AD8224HBCPZ-RL 数据手册

Precision, Dual-Channel, JFET Input,

Rail-to-Rail Instrumentation Amplifier

AD8224

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Two channels in a small 4 mm × 4 mm LFCSP

Custom LFCSP package with hidden paddle

Permits routing and vias underneath package

Allows full bias current performance

Low input currents

10 pA maximum input bias current (B Grade)

0.6 pA maximum input offset current (B Grade)

High CMRR

16 15 14 13

AD8224

–IN1

–IN2

+IN1

+IN2

100 dB CMRR (minimum), G = 10 (B Grade)

90 dB CMRR (minimum) to 10 kHz, G = 10 (B Grade)

Excellent ac specifications and low power

1.5 MHz bandwidth (G = 1)

Figure 1.

14 nV/√Hz input noise (1 kHz)

Slew rate: 2 V/μs

750 μA quiescent current per amplifier

Versatility

Rail-to-rail output

Input voltage range to below negative supply rail

4 kV ESD protection

4.5 V to 36 V single supply

2.25 V to 18 V dual supply

Gain set with single resistor (G = 1 to 1000)

Table 1. In Amps and Difference Amplifiers by Category

High

Perform Cost

AD8220¹AD8553¹AD628

Low

High

Mil

Low

Digital

Gain

Voltage Grade Power

AD620 AD627¹AD8231¹

AD8221

AD8222

AD623¹

AD629

AD621

AD524

AD526

AD624

AD8250

AD8251

AD8555¹

AD8556¹

AD8557¹

¹Rail-to-rail output.

APPLICATIONS

Medical instrumentation

Precision data acquisition

Transducer interfaces

Differential drives for high resolution input ADCs

Remote sensors

GENERAL DESCRIPTION

to alleviate this problem, the AD8224 can operate on a 18 ꢀ

dual supply, as well as on a single +5 ꢀ supply. The device’s rail-

to-rail output stage maximizes dynamic range on the low

voltage supplies common in portable applications. Its ability to

run on a single 5 ꢀ supply eliminates the need for higher

voltage, dual supplies. The AD8224 draws 750 μA of quiescent

current per amplifier, making it ideal for battery powered

devices.

The AD8224 is the first single-supply, JFET input instrumentation

amplifier available in the space-saving 16-lead, 4 mm × 4 mm

LFCSP. It requires the same board area as a typical single

instrumentation amplifier yet doubles the channel density

and offers a lower cost per channel without compromising

performance.

Designed to meet the needs of high performance, portable

instrumentation, the AD8224 has a minimum common-mode

rejection ratio (CMRR) of 86 dB at dc and a minimum CMRR

of 80 dB at 10 kHz for G = 1. Maximum input bias current is

10 pA and typically remains below 300 pA over the entire

industrial temperature range. Despite the JFET inputs, the

AD8224 typically has a noise corner of only 10 Hz.

In addition, the AD8224 can be configured as a single-channel,

differential output, instrumentation amplifier. Differential

outputs provide high noise immunity, which can be useful when

the output signal must travel through a noisy environment, such

as with remote sensors. The configuration can also be used to

drive differential input ADCs. For a single-channel version, use

the AD8220.

With the proliferation of mixed-signal processing, the number

of power supplies required in each system has grown. Designed

Rev. B

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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与AD8224HBCPZ-RL相关器件

型号	品牌	获取价格	描述	数据表
AD8224HBCPZ-WP	ADI	获取价格	Precision, Dual-Channel, JFET Input, Rail-to-Rail Instrumentation Amplifier
AD8225	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8225AR	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8225AR	ROCHESTER	获取价格	INSTRUMENTATION AMPLIFIER, 325 uV OFFSET-MAX, 0.9 MHz BAND WIDTH, PDSO8, SOIC-8
AD8225AR-REEL	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8225AR-REEL7	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8225ARZ	ROCHESTER	获取价格	INSTRUMENTATION AMPLIFIER, 325 uV OFFSET-MAX, 0.9 MHz BAND WIDTH, PDSO8, SOIC-8
AD8225ARZ-R7	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier
AD8225ARZ-REEL7	ADI	获取价格	INSTRUMENTATION AMPLIFIER, 325uV OFFSET-MAX, 0.9MHz BAND WIDTH, PDSO8, SOIC-8
AD8225-EVAL	ADI	获取价格	Precision Gain of 5 Instrumentation Amplifier

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