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Analog Devices Semiconductor Electronic Components Datasheet

AD8601 Datasheet

Input/Output Wideband Operational Amplifiers

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Precision CMOS, Single-Supply, Rail-to-Rail,
Input/Output Wideband Operational Amplifiers
AD8601/AD8602/AD8604
FEATURES
Low offset voltage: 500 μV maximum
Single-supply operation: 2.7 V to 5.5 V
Low supply current: 750 μA/Amplifier
Wide bandwidth: 8 MHz
Slew rate: 5 V/μs
Low distortion
No phase reversal
Low input currents
Unity-gain stable
Qualified for automotive applications
APPLICATIONS
Current sensing
Barcode scanners
PA controls
Battery-powered instrumentation
Multipole filters
Sensors
ASIC input or output amplifiers
Audio
GENERAL DESCRIPTION
The AD8601, AD8602, and AD8604 are single, dual, and quad
rail-to-rail, input and output, single-supply amplifiers featuring
very low offset voltage and wide signal bandwidth. These amplifiers
use a new, patented trimming technique that achieves superior
performance without laser trimming. All are fully specified to
operate on a 3 V to 5 V single supply.
The combination of low offsets, very low input bias currents,
and high speed make these amplifiers useful in a wide variety
of applications. Filters, integrators, diode amplifiers, shunt
current sensors, and high impedance sensors all benefit from
the combination of performance features. Audio and other ac
applications benefit from the wide bandwidth and low distortion.
For the most cost-sensitive applications, the D grades offer this
ac performance with lower dc precision at a lower price point.
Applications for these amplifiers include audio amplification for
portable devices, portable phone headsets, bar code scanners,
portable instruments, cellular PA controls, and multipole filters.
The ability to swing rail-to-rail at both the input and output
enables designers to buffer CMOS ADCs, DACs, ASICs, and
other wide output swing devices in single-supply systems.
PIN CONFIGURATIONS
OUT A 1
5 V+
AD8601
V– 2 TOP VIEW
(Not to Scale)
+IN 3
4 –IN
Figure 1. 5-Lead SOT-23 (RJ Suffix)
OUT A 1
–IN A 2
+IN A 3
V– 4
AD8602
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 2. 8-Lead MSOP (RM Suffix) and 8-Lead SOIC (R-Suffix)
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
14 OUT D
13 –IN D
AD8604
TOP VIEW
(Not to Scale)
12 +IN D
11 V–
10 +IN C
9 –IN C
8 OUT C
Figure 3. 14-Lead TSSOP (RU Suffix) and 14-Lead SOIC (R Suffix)
OUT A 1
–IN A 2
+IN A 3
V+ 4
+IN B 5
–IN B 6
OUT B 7
NC 8
16 OUT D
AD8604
TOP VIEW
(Not to Scale)
15 –IN D
14 +IN D
13 V–
12 +IN C
11 –IN C
10 OUT C
9 NC
NC = NO CONNECT
Figure 4. 16-Lead Shrink Small Outline QSOP (RQ Suffix)
The AD8601, AD8602, and AD8604 are specified over the
extended industrial (−40°C to +125°C) temperature range. The
AD8601, single, is available in a tiny, 5-lead SOT-23 package. The
AD8602, dual, is available in 8-lead MSOP and 8-lead, narrow
SOIC surface-mount packages. The AD8604, quad, is available
in 14-lead TSSOP, 14-lead SOIC, and 16-lead QSOP packages.
See the Ordering Guide for automotive grades.
Rev. G
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.
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 ©2000–2011 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD8601 Datasheet

Input/Output Wideband Operational Amplifiers

No Preview Available !

AD8601/AD8602/AD8604
TABLE OF CONTENTS
Features .............................................................................................. 1 
Applications....................................................................................... 1 
General Description ......................................................................... 1 
Pin Configurations ........................................................................... 1 
Revision History ............................................................................... 2 
Specifications..................................................................................... 3 
Electrical Characteristics............................................................. 3 
Absolute Maximum Ratings............................................................ 5 
Thermal Resistance ...................................................................... 5 
ESD Caution.................................................................................. 5 
Typical Performance Characteristics ............................................. 6 
Theory of Operation ...................................................................... 15 
Rail-to-Rail Input Stage ............................................................. 15 
REVISION HISTORY
1/11—Rev. F to Rev. G
Changes to Ordering Guide .......................................................... 22
Change to Automotive Products Section .................................... 22
5/10—Rev. E to Rev. F
Changes to Features Section and General Description
Section................................................................................................ 1
Changes to Ordering Guide .......................................................... 22
Added Automotive Products Section .......................................... 22
2/10—Rev. D to Rev. E
Add 16-Lead QSOP............................................................Universal
Changes to Table 3 and Table 4....................................................... 5
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 22
Input Overvoltage Protection ................................................... 16 
Overdrive Recovery ................................................................... 16 
Power-On Time .......................................................................... 16 
Using the AD8602 in High Source Impedance
Applications ................................................................................ 16 
High Side and Low Side, Precision Current Monitoring ...... 16 
Using the AD8601 in Single-Supply, Mixed Signal
Applications ................................................................................ 17 
PC100 Compliance for Computer Audio Applications ........ 17 
SPICE Model............................................................................... 18 
Outline Dimensions ....................................................................... 19 
Ordering Guide .......................................................................... 22 
Automotive Products ................................................................. 22 
11/03—Rev. C to Rev. D
Changes to Features ..........................................................................1
Changes to Ordering Guide .............................................................4
3/03—Rev. B to Rev. C
Changes to Features ..........................................................................1
3/03—Rev. A to Rev. B
Change to Features ............................................................................1
Change to Functional Block Diagrams...........................................1
Change to TPC 39 .......................................................................... 11
Changes to Figures 4 and 5 ........................................................... 14
Changes to Equations 2 and 3................................................. 14, 15
Updated Outline Dimensions....................................................... 16
Rev. G | Page 2 of 24


Part Number AD8601
Description Input/Output Wideband Operational Amplifiers
Maker Analog Devices
Total Page 24 Pages
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