ADA4084-2ARMZ AD [Analog Devices], ADA4084-2ARMZ Datasheet

ADA4084-2ARMZ

Manufacturer Part Number

ADA4084-2ARMZ

Description

30 V, Low Noise, Rail-to-Rail

Manufacturer

AD [Analog Devices]

Datasheet

1.ADA4084-2ARMZ.pdf (24 pages)

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Data Sheet

FEATURES

Rail-to-rail input/output

Low power: 625 µA typical

Gain bandwidth product: 15.9 MHz at A

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

High slew rate: 4.6 V/μs typical

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

APPLICATIONS

Battery-powered instrumentation

Power supply control and protection

Telecommunications

DAC output amplifier

ADC input buffer

GENERAL DESCRIPTION

The

amplifier featuring rail-to-rail inputs and outputs. It is guaran-

teed to operate from 3 V to 30 V (or ±1.5 V to ±15 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

filters and instrumentation.

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.

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

range of −40°C to +125°C. The dual

the 8-lead SOIC and MSOP surface-mount packages.

Rev. A

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 registered trademarks are the property of their respective owners.

ADA4084-2

useful in a wide variety of applications, including

is a dual, single-supply, 10 MHz bandwidth

is specified over the industrial temperature

ADA4084-2

=100 typical

is available in

I/O, Low Power Operational Amplifier

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

The

low noise op amps offered by Analog Devices, Inc., (see Table 1).

For a more complete selection table of low input voltage noise

amplifiers, see the

Amplifier Selection Guide for Optimal Noise Performance,

available at www.analog.com.

Table 1. Low Noise Op Amps

Voltage Noise

1.1 nV/Hz

1.8 nV/Hz

2.8 nV/Hz RRO

2.8 nV/Hz

3.2 nV/Hz

3.9 nV/Hz RRIO

Rail-to-rail output.

Rail-to-rail input/output.

30 V, Low Noise, Rail-to-Rail

ADA4084-2

OUT A

–IN A

+IN A

is a member of a growing series of high voltage,

PIN CONFIGURATIONS

V–

AN-940

Single

AD8597

ADA4004-1

AD8675

AD8671

OP27/OP37

Figure 1. 8-Lead MSOP (RM)

ADA4084-2

(Not to Scale)

8-Lead SOIC (R)

TOP VIEW

Application Note, Low Noise

Dual

AD8599

ADA4004-2

AD8676

AD8672

ADA4084-2

V+

OUT B

–IN B

+IN B

www.analog.com

Quad

ADA4004-4

AD8674

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