Low Noise, Precision
Operational Amplifier
Data Sheet
OP27
Rev. H Document Feedback
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FEATURES
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 V
OS
: 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, e
n
= 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.
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 I
B
and I
OS
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)
PIN CONFIGURATIONS
V+
OUT
NC
4V– (CASE)
BAL
BAL 1
–IN 2
+IN 3
OP27
NC = NO CONNECT
00317-001
Figure 1. 8-Lead TO-99 (J-Suffix)
8
7
6
5
1
2
3
4
NC = NO CONNECT
V
OS
TRIM
–IN
+IN
V
OS
TRIM
V+
OUT
NCV–
OP27
00317-002
Figure 2. 8-Lead CERDIP – Glass Hermetic Seal (Z-Suffix),
8-Lead PDIP (P-Suffix), and 8-Lead SOIC (S-Suffix)
FUNCTIONAL BLOCK DIAGRAM
V
OS
ADJ.
NONINVERTING
INPUT (+)
INVERTING
INPUT (
–)
V–
V+
Q2B
R2
1
Q3
Q2A
Q1A Q1B
R4
R1
1
R3
1 8
.
R1 AND R2 ARE PERMANENTLY
ADJUSTED AT WAFER TEST FOR
MINIMUM OFFSET VOLTAGE
1
Q6
Q21
C2
R23 R24
Q23
Q24
Q22
R5
Q11 Q12
Q27 Q28
C1
R9
R12
C3 C4
Q26
Q20 Q19
Q46
Q45
OUTPUT
00317-003
Figure 3.
OP27* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
SOFTWARE AND SYSTEMS REQUIREMENTS
JAN to Generic Cross Reference
TOOLS AND SIMULATIONS
Analog Filter Wizard
Analog Photodiode Wizard
OP27 SPICE Macro-Model
DESIGN RESOURCES
OP27 Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
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SAMPLE AND BUY
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number.
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OP27 Data Sheet
Rev. H | Page 2 of 21
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
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
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
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

OP27GPZ

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers LOW-NOISE PREC IC 2.8V/uS
Lifecycle:
New from this manufacturer.
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