Datasheet > AD8684

AD8684

更新时间： 2024-09-15 04:31:11

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
16页	273K
描述
Dual/Quad Low Power, High Speed JFET Operational Amplifiers

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AD8684 数据手册

Dual/Quad Low Power, High Speed

JFET Operational Amplifiers

AD8682/AD8684

PIN CONFIGURATIONS

FEATURES

Low supply current: 250 μA/amp maximum

High slew rate: 9 V/μs

Bandwidth: 3.5 MHz typical

Low offset voltage: 1 mV maximum @ 25°C

Low input bias current: 20 pA maximum @ 25°C

CMRR: 90 dB typical

OUT A

–IN A

+IN A

V–

V+

AD8682

OUT B

–IN B

+IN B

TOP VIEW

(Not to Scale)

Figure 1. 8-Lead SOIC_N and 8-Lead MSOP

Fast settling time

OUT D

OUT A

–IN A

+IN A

V+

Unity gain stable

13 –IN D

12 +IN D

APPLICATIONS

V–

AD8684

Portable telecommunication

Low power industrial and instrumentation

Loop filters

10 +IN C

+IN B

–IN B

OUT B

–IN C

OUT C

Active and precision filters

Integrators

TOP VIEW

(Not to Scale)

Strain gauge amplifiers

Portable medical instrumentation

Supply current monitoring

Figure 2. 14-Lead SOIC_N and 14-Lead TSSOP

GENERAL DESCRIPTION

The devices are ideal for portable, low power applications,

especially with high source impedance. The devices are unity gain

stable and can drive higher capacity loads (G = 1, noninverting),

as an example of their excellent dynamic response over a wide

range of conditions, delivering dc precision performance at low

quiescent currents.

The AD8682 and AD8684 are dual and quad low power, precision

(1 mV) JFET amplifiers featuring excellent speed at low supply

currents. The slew rate is typically 9 V/μs with a supply current

under 250 μA per amplifier. These unity-gain stable amplifiers

have a typical gain bandwidth of 3.5 MHz. The JFET input stage

ensures bias current is typically a few picoamps and below 125 pA

maximum over the full temperature operating range.

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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与AD8684相关器件

型号	品牌	获取价格	描述	数据表
AD8684_15	ADI	获取价格	Dual/Quad Low Power, High Speed
AD8684ARUZ	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8684ARUZ_REEL	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8684ARUZ-REEL	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8684ARZ	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8684ARZ-REEL	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8684ARZ-REEL7	ADI	获取价格	Dual/Quad Low Power, High Speed JFET Operational Amplifiers
AD8691	ADI	获取价格	Low Cost, Low Noise, CMOS Rail-to-Rail Output Operational Amplifiers
AD8691_07	ADI	获取价格	Low Cost, Low Noise, CMOS Rail-to-Rail Output Operational Amplifiers
AD8691AKSZ-R2	ADI	获取价格	Low Cost, Low Noise, CMOS Rail-to-Rail Output Operational Amplifiers

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