ada4084-2 Analog Devices, Inc., ada4084-2 Datasheet

ada4084-2

Manufacturer Part Number

ada4084-2

Description

Dual, 30v Precision, Rail-to-rail I/o Low Power Operational Amplifier

Manufacturer

Analog Devices, Inc.

Datasheet

1.ADA4084-2.pdf (5 pages)

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Preliminary Technical Data

FEATURES

Rail-to-Rail Input/Output

Low Power: 650 μA typ

Wide bandwidth: 8.3 MHz Unity Gain Bandwidth

Low offset voltage: 100 μV max @ 25C

Unity-gain stable

High slew rate: 4.0 V/μs typ

Low noise: 3.9 nV/√Hz typ

Battery-powered instrumentation

Power supply control and protection

Telecom

DAC output amplifier

ADC input buffer

GENERAL DESCRIPTION

ADA4084-2 is a dual amplifier featuring 650A per amplifier

with single-supply operation, 8.3 MHz bandwidth, and rail-to-

rail inputs and outputs. They are guaranteed to operate from 3

V to 30 V single supplies or ±1.5 V to ±15 V dual supplies.

These amplifiers are superb for single-supply and dual

applications requiring both AC and precision DC performance

with input voltage range and output swings very close to the

power supply rails. The combination of bandwidth, low noise,

low power, and precision makes the ADA4084 useful in a wide

variety of applications, including filters and instrumentation.

Other applications for these amplifiers include portable telecom

equipment, power supply control and protection, and 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.

Rev.

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.

APPLICATIONS

PrA

Dual, 30V Precision, Rail-to-Rail 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 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 is specified over the extended industrial

temperature range of –40°C to +125°C. The ADA4084-2 is a

dual available in 8-lead LFCSP (3x3mm), SOIC, and MSOP

packages.

Table 1. 30V Rail-to-Rail I/O Op Amps

Single

Dual

Quad

OUT A

+IN A

–IN A

V–

8‐Lead LFCSP (CP)

Precision

OP184

OP284

OP484

PIN CONFIGURATIONS

V+

OUT B

+IN B

–IN B

ADA4091-2

ADA4091-4

Low Power

Precision

02627-004

8‐Lead MSOP (RM‐8)

ADA4084-2

www.analog.com

ADA4092-2

ADA4092-4

Low Power

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