ADA4084-2ARZ datasheet(1/35 Pages) AD

No. de pieza	ADA4084-2ARZ

Descripción Electrónicos	30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Amplifiers

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30 V, Low Noise, Rail-to-Rail Input/Output,

Low Power Operational Amplifiers

Data Sheet

ADA4084-1/ADA4084-2/ADA4084-4

Rev. H

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FEATURES

Rail-to-rail input/output

Low power: 0.625 mA typical per amplifier at ±15 V

Gain bandwidth product: 15.9 MHz at AV = 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

High slew rate: 4.6 V/μs typical

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

APPLICATIONS

Battery-powered instrumentation

High-side and low-side sensing

Power supply control and protection

Telecommunications

Digital-to-analog converter (DAC) output amplifiers

Analog-to-digital converter (ADC) input buffers

PIN CONNECTION DIAGRAM

NOTES

1. FOR THE LFCSP PACKAGE,

THE EXPOSED PAD MUST BE

CONNECTED TO V–.

3

+IN A

4

V–

1

OUT A

2

–IN A

6–IN B

5+IN B

8V+

7OUT B

ADA4084-2

Figure 1. ADA4084-2, 8-Lead LFCSP (CP)

See the Pin Configurations and Function Descriptions section

for additional pin configurations and information about the pin

functions.

GENERAL DESCRIPTION

The ADA4084-1 (single), 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 ±1.5 V to ±15 V).

These amplifiers are well suited for single-supply applications

requiring both ac and precision dc performance. The combination

of wide bandwidth, low noise, and precision makes the

ADA4084-1, ADA4084-2, and ADA4084-4 useful in a wide

variety of applications, including 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 ADA4084-1, ADA4084-2, and ADA4084-4 are specified

over the industrial temperature range of −40°C to +125°C.

The single ADA4084-1 is available in the 5-lead SOT-23 and

8-lead SOIC; the dual ADA4084-2 is available in the 8-lead

SOIC, 8-lead MSOP, and 8-lead LFCSP surface-mount

packages; and the ADA4084-4 is offered in the 14-lead TSSOP

and 16-lead LFCSP.

The ADA4084-1, 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).

Table 1. Low Noise Op Amps

Single

Dual

Quad

Voltage Noise

AD8597

AD8599

1.1 nV/Hz

ADA4004-1

ADA4004-2

ADA4004-4

1.8 nV/Hz

AD8675

AD8676

2.8 nV/Hz rail-to-rail output

AD8671

AD8672

AD8674

2.8 nV/Hz

OP27, OP37

3.2 nV/Hz

ADA4084-1

ADA4084-2

ADA4084-4

3.9 nV/Hz rail-to-rail

input/output

Número de pieza similar - ADA4084-2ARZ

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Analog Devices	ADA4084-2ARZ	804Kb / 24P	30 V, Low Noise, Rail-to-Rail REV. A
	ADA4084-2ARZ	800Kb / 28P	30 V, Low Noise, Rail-to-Rail I/O, Low Power Operational Amplifier REV. C
	ADA4084-2ARZ-R7	804Kb / 24P	30 V, Low Noise, Rail-to-Rail REV. A
	ADA4084-2ARZ-R7	800Kb / 28P	30 V, Low Noise, Rail-to-Rail I/O, Low Power Operational Amplifier REV. C
	ADA4084-2ARZ-RL	804Kb / 24P	30 V, Low Noise, Rail-to-Rail REV. A

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