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Analog Devices Semiconductor Electronic Components Datasheet

OP27GP Datasheet

Low-Noise / Precision Operational Amplifier

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Data Sheet
Low Noise, Precision
Operational Amplifier
OP27
FEATURES
PIN CONFIGURATIONS
Low noise: 80 nV p-p (0.1 Hz to 10 Hz), 3 nV/√Hz
Low drift: 0.2 µV/°C
High speed: 2.8 V/µs slew rate, 8 MHz gain bandwidth
Low VOS: 10 µV
CMRR: 126 dB at VCM of ±11 V
High open-loop gain: 1.8 million
Available in die form
GENERAL DESCRIPTION
The OP27 precision operational amplifier combines the low
offset and drift of the OP07 with both high speed and low noise.
Offsets down to 25 µV and maximum drift of 0.6 µV/°C make
the OP27 ideal for precision instrumentation applications. Low
noise, en = 3.5 nV/√Hz, at 10 Hz, a low 1/f noise corner
frequency of 2.7 Hz, and high gain (1.8 million), allow accurate
high-gain amplification of low-level signals. A gain bandwidth
product of 8 MHz and a 2.8 V/µs slew rate provide excellent
dynamic accuracy in high speed, data-acquisition systems.
BAL
BAL 1
–IN 2
OP27
V+
OUT
+IN 3
NC
4V– (CASE)
NC = NO CONNECT
Figure 1. 8-Lead TO-99 (J-Suffix)
VOS TRIM 1
–IN 2
+IN 3
V– 4
OP27
8 VOS TRIM
7 V+
6 OUT
5 NC
NC = NO CONNECT
Figure 2. 8-Lead CERDIP – Glass Hermetic Seal (Z-Suffix),
8-Lead PDIP (P-Suffix), and 8-Lead SOIC (S-Suffix)
A low input bias current of ±10 nA is achieved by use of a bias
current cancellation circuit. Over the military temperature
range, this circuit typically holds IB and IOS to ±20 nA and 15 nA,
respectively.
The output stage has good load driving capability. A guaranteed
swing of ±10 V into 600 Ω and low output distortion make the
OP27 an excellent choice for professional audio applications.
(Continued on Page 3)
FUNCTIONAL BLOCK DIAGRAM
V+
R3
Q6
R11
18
VOS ADJ.
R4
R21
NONINVERTING
INPUT (+)
INVERTING
INPUT (–)
Q1A Q1B
Q3
1 R1 AND R2 ARE PERMANENTLY
ADJUSTED AT WAFER TEST FOR
MINIMUM OFFSET VOLTAGE
Q2B Q2A
C2
R23 R24
Q22 C1
Q21
Q23 Q24
R9
Q20 Q19
R12
R5 C3 C4
Q11 Q12
Q27
Q28
Q26
Q46
OUTPUT
Q45
V–
Figure 3.
Rev. H
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©1981–2015 Analog Devices, Inc. All rights reserved.
Technical Support
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Analog Devices Semiconductor Electronic Components Datasheet

OP27GP Datasheet

Low-Noise / Precision Operational Amplifier

No Preview Available !

OP27
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Pin Configurations ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 4
Electrical Characteristics ............................................................. 4
Typical Electrical Characteristics ............................................... 6
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
REVISION HISTORY
10/15—Rev. G to Rev. H
Changes to Features Section and General Description Section.....1
Changes to Note 1, Ordering Guide .................................................21
3/15—Rev. F to Rev. G
Changes to General Description Section ...................................... 3
Changes to Figure 31...................................................................... 12
Changes to Applications Information Section and Output
Voltage Adjustment Section .......................................................... 14
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 21
5/06—Rev. E to Rev. F
Removed References to 745 ..............................................Universal
Updated 741 to AD741 ......................................................Universal
Changes to Ordering Guide .......................................................... 20
12/05—Rev. D to Rev. E
Edits to Figure 2 ................................................................................ 1
9/05—Rev. C to Rev. D
Updated Format..................................................................Universal
Changes to Table 1............................................................................ 4
Removed Die Characteristics Figure ............................................. 5
Removed Wafer Test Limits Table .................................................. 5
Changes to Table 5............................................................................ 7
Changes to Comments on Noise Section .................................... 15
Changes to Ordering Guide .......................................................... 24
Data Sheet
Typical Performance Characteristics ..............................................8
Applications Information .............................................................. 14
Offset Voltage Adjustment........................................................ 14
Noise Measurements.................................................................. 14
Unity-Gain Buffer Applications ............................................... 14
Comments On Noise ................................................................. 15
Audio Applications .................................................................... 16
References.................................................................................... 18
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 21
1/03—Rev. B to Rev. C
Edits to Pin Connections..................................................................1
Edits to General Description ...........................................................1
Edits to Die Characteristics..............................................................5
Edits to Absolute Maximum Ratings ..............................................7
Updated Outline Dimensions....................................................... 16
Edits to Figure 8.............................................................................. 14
Edits to Outline Dimensions......................................................... 16
9/01—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 Electrical Characteristics .............................................. 2, 3
Edits to Wafer Test Limits ................................................................4
Deleted Typical Electrical Characteristics......................................4
Edits to Burn-In Circuit Figure .......................................................7
Edits to Application Information ....................................................8
Rev. H | Page 2 of 21


Part Number OP27GP
Description Low-Noise / Precision Operational Amplifier
Maker Analog Devices
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