Datasheet > ADA4084-4ARUZ

ADA4084-4ARUZ

更新时间： 2024-11-22 21:20:35

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
29页	1181K
描述
30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Quad Amplifier

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ADA4084-4ARUZ 数据手册

30 V, Low Noise, Rail-to-Rail I/O,

Low Power Operational Amplifiers

ADA4084-2/ADA4084-4

Data Sheet

FEATURES

PIN CONFIGURATIONS

Rail-to-rail input/output

ADA4084-2

V+

OUT A

–IN A

+IN A

V–

Low power: 0.625 mA typical per amplifier at 15 V

Gain bandwidth product: 15.9 MHz at A_V=100 typical

Unity-gain crossover: 9.9 MHz typical

−3 dB closed-loop bandwidth: 13.9 MHz typical at 15 V

Low offset voltage: 100 μV maximum (SOIC)

Unity-gain stable

OUT B

–IN B

+IN B

TOP VIEW

(Not to Scale)

NOTES

1. FOR THE LFCSP PACKAGE THE

EXPOSED PAD MUST BE

CONNECTED TO V–.

High slew rate: 4.6 V/μs typical

Low noise: 3.9 nV/√Hz typical at 1 kHz

Figure 1. 8-Lead MSOP (RM), 8-Lead SOIC (R), 8-Lead LFCSP (CP)

APPLICATIONS

OUT A

OUT D

–IN D

Battery-powered instrumentation

High-side and low-side sensing

Power supply control and protection

Telecommunications

–IN A

+IN A

V+

+IN D

V–

ADA4084-4

DAC output amplifiers

ADC input buffers

+IN C

–IN C

OUT C

+IN B

–IN B

OUT B

GENERAL DESCRIPTION

Figure 2. 14-Lead TSSOP (RU)

The ADA4084-2 (dual) and ADA4084-4 (quad) are single-supply,

10 MHz bandwidth amplifiers featuring rail-to-rail inputs and

outputs. They are guaranteed to operate from 3 V to 30 V (or

1.ꢀ V to 1ꢀ V).

These amplifiers are well suited for single-supply applications

requiring both ac and precision dc performance. The combina-

tion of wide bandwidth, low noise, and precision makes the

ADA4084-2 and ADA4084-4 useful in a wide variety of

applications, including filters and instrumentation.

–IN A

12 –IN D

+IN A

V+

ADA4084-4

11 +IN D

10 V–

TOP

VIEW

+IN C

+IN B

Other applications for these amplifiers include portable telecom-

munications equipment, power supply control and protection,

and use as amplifiers or buffers for transducers with wide output

ranges. Sensors requiring a rail-to-rail input amplifier include

Hall effect, piezoelectric, and resistive transducers.

NOTES

1. NIC = NOT INTERNALLY CONNECTED.

2. FOR THE LFCSP PACKAGE THE EXPOSED PAD

MUST BE CONNECTED TO V–.

Figure 3. 16-Lead LFCSP (CP)

For a more complete selection table of low input voltage noise

amplifiers, see the AN-940 Application Note, Low Noise Amplifier

Selection Guide for Optimal Noise Performance, available at

www.analog.com.

The ability to swing rail-to-rail at both the input and output

enables designers to build multistage filters in single-supply

systems and to maintain high signal-to-noise ratios.

The ADA4084-2 and ADA4084-4 are specified over the

industrial temperature range of −40°C to +12ꢀ°C. The dual

ADA4084-2 is available in the 8-lead SOIC, MSOP, and LFCSP

surface-mount packages, and the ADA4084-4 is offered in the

14-lead TSSOP and 16-lead LFCSP.

Table 1. Low Noise Op Amps

Voltage Noise

Single

Dual

Quad

1.1 nV/Hz

AD8597

AD8599

1.8 nV/Hz

ADA4004-1 ADA4004-2

ADA4004-4

AD8674

2.8 nV/Hz Rail-to-Rail Output AD8675

AD8676

AD8672

The ADA4084-2 and ADA4084-4 are members of a growing

series of high voltage, low noise op amps offered by Analog

Devices, Inc., (see Table 1).

2.8 nV/Hz

3.2 nV/Hz

AD8671

OP27/OP37

3.9 nV/Hz Rail-to-Rail

Input/Output

ADA4084-2

ADA4084-4

Rev. D

Document Feedback

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.

Technical Support

www.analog.com

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ADA4084-4ARUZ 替代型号

型号	品牌	替代类型	描述	数据表
ADA4084-4ARUZ-RL	ADI	完全替代	30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Quad Amplifier
ADA4084-4ACPZ-RL	ADI	功能相似	30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Quad Amplifier
ADA4084-4ACPZ-R7	ADI	功能相似	30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Quad Amplifier

与ADA4084-4ARUZ相关器件

型号	品牌	获取价格	描述	数据表
ADA4084-4ARUZ-RL	ADI	获取价格	30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Quad Amplifier
ADA4091-2	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ACPZ-R2	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ACPZ-R7	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ACPZ-RL	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ARZ	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ARZ-R2	ADI	获取价格	IC OP-AMP, 600 uV OFFSET-MAX, 1.22 MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, MS-012AA, SOIC-8
ADA4091-2ARZ-R7	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-2ARZ-RL	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier
ADA4091-4	ADI	获取价格	Precision Micropower, OVP, RRIO Operational Amplifier

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