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OP290 Datasheet

Precision / Low Power / Micropower Dual Operational Amplifier

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Precision, Low Power, Micropower
Dual Operational Amplifier
OP290
FEATURES
Single-/dual-supply operation: 1.6 V to 36 V, ±0.8 V to ±18 V
True single-supply operation; input and output voltage
Input/output ranges include ground
Low supply current (per amplifier), 20 µA maximum
High output drive, 5 mA minimum
Low input offset voltage, 200 µV typical
High open-loop gain, 400 V/mV minimum
Outstanding PSRR, 5.6 µV/V maximum
Industry standard 8-Mead dual pinout
PIN CONNECTIONS
OP290
OUT A 1
–IN A 2
+IN A 3
V– 4
AB
–+ +–
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 1. PDIP (P-Suffix)
GENERAL DESCRIPTION
The OP290 is a high performance micropower dual op amp that
operates from a single supply of 1.6 V to 36 V or from dual
supplies of ±0.8 V to ±18 V. Input voltage range includes the
negative rail allowing the OP290 to accommodate input signals
down to ground in single-supply operation. The OP290 output
swing also includes ground when operating from a single
supply, enabling zero-in, zero-out operation.
The OP290 draws less than 20 μA of quiescent supply current
per amplifier, while being able to deliver over 5 mA of output
current to a load. Input offset voltage is below 200 μV, eliminat-
ing the need for external nulling. Gain exceeds 700,000 and
common-mode rejection is better than 100 dB. The power
supply rejection ratio of under 5.6 μV/V minimizes offset
voltage changes experienced in battery-powered systems. The
low offset voltage and high gain offered by the OP290 bring
precision performance to micropower applications. The
minimal voltage and current requirements of the OP290 suit it
for battery- and solar-powered applications, such as portable
instruments, remote sensors, and satellites. For a single op amp,
see the OP90; for a quad, see the OP490.
V+
+IN
–IN
NULL
NULL
ELECTRONICALLY ADJUSTED ON CHIP
FOR MINIMUM OFFSET VOLTAGE
Figure 2. Simplified Schematic (One of Two Amplifiers Is Shown)
OUTPUT
V–
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©1988–2009 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

OP290 Datasheet

Precision / Low Power / Micropower Dual Operational Amplifier

No Preview Available !

OP290
TABLE OF CONTENTS
Features .............................................................................................. 1
Pin Connections ............................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics............................................................. 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ........................................................................ 9
REVISION HISTORY
4/09—Rev. B to Rev. C
Updated Format..................................................................Universal
Changes to Features Section and Figure 2..................................... 1
Changes to Input Voltage Range, Vs = ±5 V Parameter,
Table 1 ................................................................................................ 3
Changes to Figure 7 and Figure 8................................................... 6
Deleted Figure 2; Renumbered Sequentially................................. 7
Changes to Figure 9.......................................................................... 7
Changed Applications Information Heading to Theory of
Operation........................................................................................... 9
Changes to Figure 19........................................................................ 9
Changed Applications Heading to Applications Information.. 10
Changes to Temperature to 4 mA to 20 mA Transmitter Section,
Figure 20, and Table 5 .................................................................... 10
Changes to Figure 21 and Figure 22............................................. 11
Updated Outline Dimensions ....................................................... 12
Changes to Ordering Guide .......................................................... 12
Battery-Powered Applications .....................................................9
Input Voltage Protection ..............................................................9
Single-Supply Output Voltage Range..........................................9
Applications Information .............................................................. 10
Temperature to 4 mA to 20 mA Transmitter.......................... 10
Variable Slew Rate Filter............................................................ 11
Low Overhead Voltage Reference ............................................ 11
Outline Dimensions ....................................................................... 12
Ordering Guide .......................................................................... 12
12/03—Rev. A to Rev. B
Deleted OP290E and OP290F...........................................Universal
Replaced Pin Connections with PDIP............................................1
Deleted Electrical Characteristics ...................................................3
Changes to Absolute Maximum Ratings........................................4
Changes to Ordering Guide .............................................................4
Changes to TPC 6..............................................................................5
Change to Single Supply Output Voltage Range ...........................7
Changes to Figure 5...........................................................................8
Changes to Figure 6...........................................................................9
Change to Low Overhead Voltage Reference ................................9
Updated Outline Dimensions....................................................... 10
1/02—Rev. 0 to Rev. A
Edits to Ordering Information ........................................................1
Edits to Pin Connections..................................................................1
Edits to Absolute Maximum Ratings ..............................................2
Edits to Package Type .......................................................................2
Edits to Wafer Test Limits ................................................................5
Edits to Dice Characteristics............................................................5
Rev. C | Page 2 of 12


Part Number OP290
Description Precision / Low Power / Micropower Dual Operational Amplifier
Maker Analog Devices
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