OP290EZ Analog Devices, OP290EZ Datasheet

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OP290EZ

Manufacturer Part Number
OP290EZ
Description
18V; precision, low power, micropower dual operational amplifier
Manufacturer
Analog Devices
Datasheet

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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’s out-
put 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 able to deliver over 5 mA of output current
to a load. Input offset voltage is below 200 µV eliminating 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 pV/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.
+IN
–IN
NULL
ELECTRONICALLY ADJUSTED ON CHIP
FOR MINIMUM OFFSET VOLTAGE
NULL
Precision, Low Power, Micropower
Dual Operational Amplifier
OUT A
8-Lead HERMETIC DIP
+IN A
–IN A
–IN A
+IN A
+IN B
–IN B
PIN CONNECTIONS
NC
NC
NC
V–
V–
EPOXY MINI-DIP
NC = NO CONNECT
1
2
3
4
5
6
7
8
16-Lead SOL
1
2
3
4
(S-Suffix)
(Not to Scale)
(P-Suffix)
(Z-Suffix)
TOP VIEW
OP290
OP290
A
B
16
15
14
13
12
11
10
9
8
7
6
5
V+
OUTPUT
V
NC
NC
V+
NC
NC
OUT B
NC
+IN A
–IN B
+IN B
V+
OUT B
OP290

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OP290EZ Summary of contents

Page 1

GENERAL DESCRIPTION The OP290 is a high performance micropower dual op amp that operates from a single supply of 1 from dual supplies of ± 0 ± Input voltage range ...

Page 2

OP290–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Parameter Symbol Conditions INPUT OFFSET VOLTAGE V OS INPUT OFFSET CURRENT INPUT BIAS CURRENT LARGE-SIGNAL VOLTAGE GAIN ...

Page 3

ELECTRICAL CHARACTERISTICS Parameter Symbol INPUT OFFSET VOLTAGE V AVERAGE INPUT OFFSET VOLTAGE DRIFT TCV INPUT OFFSET CURRENT I INPUT BIAS CURRENT I LARGE-SIGNAL VOLTAGE GAIN A INPUT VOLTAGE RANGE IVR OUTPUT VOLTAGE SWING COMMON-MODE REJECTION CMR POWER ...

Page 4

OP290 ELECTRICAL CHARACTERISTICS Parameter Symbol Conditions INPUT OFFSET VOLTAGE V OS AVERAGE INPUT OFFSET VOLTAGE DRIFT = ± TCV INPUT OFFSET CURRENT INPUT BIAS CURRENT ...

Page 5

... Not for new designs. Obsolete April 2002. is specified for jA is specified for device jA OP290 ORDERING GUIDE Package Operating Cerdip Temperature 8-Lead Plastic Range OP290AZ MIL OP290EZ XIND OP290FZ XIND OP290GP XIND OP290GS XIND ADI Part Number OP290ARCMDA OP290AZMDA WARNING! ESD SENSITIVE DEVICE ...

Page 6

OP290 100 V = 15V –75 –50 – 100 125 TEMPERATURE – LOAD 15V 1.5V ...

Page 7

NEGATIVE SUPPLY 120 100 POSITIVE SUPPLY 100 1k FREQUENCY – 15V S 1 0.1 0 100 1k FREQUENCY ...

Page 8

OP290 +18V 8 100k 2 1/2 OP290 3 200 6 1/2 OP290 5 100k 4 –18V APPLICATIONS INFORMATION BATTERY-POWERED APPLICATIONS The OP290 can be operated on a minimum supply voltage of 1 with dual supplies of 0.8 V, ...

Page 9

... For an input voltage slewing at a rate under this maximum slew rate, the output simply follows the input with A1 operating in its linear region. R4 20k TEMP OP290EZ SET 5k 100k ZERO TRIM OP290 ≈ 1N4002 40V SPAN TRIM 1/2 7 2N1711 OP290EZ 100k R10 100 1%, 1/2W I OUT R LOAD ...

Page 10

OP290 +15V 250k C 1/2 1 OP290GP 0 25k 5 1/2 OP290GP 6 4 –15V DIODES ARE 1N4148 LOW OVERHEAD VOLTAGE REFERENCE Figure 7 shows a voltage reference ...

Page 11

Revision History Location Data Sheet changed from REV REV. A. Edits to ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 12

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