OP191GSZ-REEL7 datasheet, PDF - EEWORLD Datasheet

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OP191GSZ-REEL7: DescriptionOpAmpSingleMicropowerAmplifierR-RI/O±6V/12V8-PinSOICNT/R; CategoryOpAmps; File Size461KB，24 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn

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OpAmpSingleMicropowerAmplifierR-RI/O±6V/12V8-PinSOICNT/R

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Micropower Single-Supply

Rail-to-Rail Input/Output Op Amps

OP191/OP291/OP491

FEATURES

Single-supply operation: 2.7 V to 12 V

Wide input voltage range

Rail-to-rail output swing

Low supply current: 300 μA/amp

Wide bandwidth: 3 MHz

Slew rate: 0.5 V/μs

Low offset voltage: 700 μV

No phase reversal

–INA

+INA

–V

PIN CONFIGURATIONS

OUTA

00294-001

OUTA

–INA

+INA

–V

OUTB

+INB

00294-002

00294-004

OP191

OP291

–INB

NC = NO CONNECT

Figure 1. 8-Lead Narrow-Body SOIC

OUTA

–INA

+INA

+INB

–INB

OUTB

Figure 2. 8-Lead Narrow-Body SOIC

OUTD

–IND

+IND

–V

+INC

00294-003

OUTA

–INA

+INA

+INB

OUTB

OUTD

–IND

+IND

–V

+INC

–INC

OUTC

APPLICATIONS

Industrial process control

Battery-powered instrumentation

Power supply control and protection

Telecommunications

Remote sensors

Low voltage strain gage amplifiers

DAC output amplifiers

OP491

–INC

OUTC

–INB

Figure 3. 14-Lead Narrow-Body SOIC

OUTA

–INA

+INA

+INB

–INB

OUTB

Figure 4. 14-Lead PDIP

OUTD

–IND

+IND

–V

+INC

OUTC

00294-005

OP491

–INC

Figure 5. 14-Lead TSSOP

GENERAL DESCRIPTION

The OP191, OP291, and OP491 are single, dual, and quad

micropower, single-supply, 3 MHz bandwidth amplifiers

featuring rail-to-rail inputs and outputs. All are guaranteed to

operate from a +3 V single supply as well as ±5 V dual supplies.

Fabricated on Analog Devices CBCMOS process, the OPx91

family has a unique input stage that allows the input voltage to

safely extend 10 V beyond either supply without any phase

inversion or latch-up. The output voltage swings to within

millivolts of the supplies and continues to sink or source

current all the way to the supplies.

Applications for these amplifiers include portable tele-

communications equipment, power supply control and

protection, and interface for transducers with wide output

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

Hall effect, piezo electric, and resistive transducers.

Rev. E

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.

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 OP191/OP291/OP491 are specified over the extended

industrial –40°C to +125°C temperature range. The OP191

single and OP291 dual amplifiers are available in 8-lead plastic

SOIC surface-mount packages. The OP491 quad is available in a

14-lead PDIP, a narrow 14-lead SOIC package, and a 14-lead

TSSOP.

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

Tel: 781.329.4700

www.analog.com

Downloaded from

Arrow.com.

OP191/OP291/OP491

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Pin Configurations ........................................................................... 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Electrical Specifications ............................................................... 3

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution .................................................................................. 7

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 17

Input Overvoltage Protection ................................................... 18

Output Voltage Phase Reversal ................................................. 18

Overdrive Recovery ................................................................... 18

Applications Information .............................................................. 19

Single 3 V Supply, Instrumentation Amplifier ....................... 19

Single-Supply RTD Amplifier ................................................... 19

A 2.5 V Reference from a 3 V Supply ...................................... 20

5 V Only, 12-Bit DAC Swings Rail-to-Rail ............................. 20

A High-Side Current Monitor .................................................. 20

A 3 V, Cold Junction Compensated Thermocouple Amplifier

....................................................................................................... 21

Single-Supply, Direct Access Arrangement for Modems ...... 21

3 V, 50 Hz/60 Hz Active Notch Filter with False Ground ..... 22

Single-Supply, Half-Wave, and Full-Wave Rectifiers ............. 22

Outline Dimensions ....................................................................... 23

Ordering Guide .......................................................................... 24

REVISION HISTORY

4/10—Rev. D to Rev. E

Changes to Input Voltage Parameter, Table 4 ............................... 7

4/06—Rev. C to Rev. D

Changes to Noise Performance, Voltage Density, Table 1 ........... 3

Changes to Noise Performance, Voltage Density, Table 2 ........... 4

Changes to Noise Performance, Voltage Density, Table 3 ........... 5

Changes to Figure 23 and Figure 24 ............................................. 10

Changes to Figure 42 ...................................................................... 13

Changes to Figure 43 ...................................................................... 14

Changes to Figure 57 ...................................................................... 16

Added Figure 58.............................................................................. 16

Changed Reference from Figure 47 to Figure 12........................ 17

Updated Outline Dimensions ....................................................... 23

Changes to Ordering Guide .......................................................... 24

3/04—Rev. B to Rev. C.

Changes to OP291 SOIC Pin Configuration .................................1

11/03—Rev. A to Rev. B.

Edits to General Description ...........................................................1

Edits to Pin Configuration ...............................................................1

Changes to Ordering Guide .............................................................5

Updated Outline Dimensions ....................................................... 19

12/02—Rev. 0 to Rev. A.

Edits to General Description ...........................................................1

Edits to Pin Configuration ...............................................................1

Changes to Ordering Guide .............................................................5

Edits to Dice Characteristics ............................................................5

Rev. E | Page 2 of 24

Downloaded from

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OP191GSZ-REEL7 Related Products

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