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AD8137 PDF даташит

Спецификация AD8137 изготовлена ​​​​«Analog Devices» и имеет функцию, называемую «Low Power 12-Bit Differential ADC Driver».

Детали детали

Номер произв AD8137
Описание Low Power 12-Bit Differential ADC Driver
Производители Analog Devices
логотип Analog Devices логотип 

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AD8137 Даташит, Описание, Даташиты
Data Sheet
FEATURES
Fully differential
Extremely low power with power-down feature
2.6 mA quiescent supply current @ 5 V
450 µA in power-down mode @ 5 V
High speed
110 MHz large signal 3 dB bandwidth @ G = 1
450 V/µs slew rate
12-bit SFDR performance @ 500 kHz
Fast settling time: 100 ns to 0.02%
Low input offset voltage: ±2.6 mV max
Low input offset current: 0.45 µA max
Differential input and output
Differential-to-differential or single-ended-to-differential
operation
Rail-to-rail output
Adjustable output common-mode voltage
Externally adjustable gain
Wide supply voltage range: 2.7 V to 12 V
Available in small SOIC package
Qualified for automotive applications
APPLICATIONS
ADC drivers
Automotive vision and safety systems
Automotive infotainment systems
Portable instrumentation
Battery-powered applications
Single-ended-to-differential converters
Differential active filters
Video amplifiers
Level shifters
GENERAL DESCRIPTON
The AD8137 is a low cost differential driver with a rail-to-rail
output that is ideal for driving ADCs in systems that are sensitive
to power and cost. The AD8137 is easy to apply, and its internal
common-mode feedback architecture allows its output common-
mode voltage to be controlled by the voltage applied to one pin.
The internal feedback loop also provides inherently balanced
outputs as well as suppression of even-order harmonic distortion
products. Fully differential and single-ended-to-differential gain
configurations are easily realized by the AD8137. External
feedback networks consisting of four resistors determine the
Low Cost, Low Power,
Differential ADC Driver
AD8137
FUNCTIONAL BLOCK DIAGRAM
–IN 1
VOCM 2
VS+ 3
+OUT 4
AD8137
8 +IN
7 PD
6 VS–
5 –OUT
Figure 1.
3
2 G=1
1
0
–1 G = 2
G=5
–2
–3
–4
–5
–6 G = 10
–7
–8
–9
–10 RG = 1k
–11 VO, dm = 0.1V p-p
–12
0.1 1
10
FREQUENCY (MHz)
100
Figure 2. Small Signal Response for Various Gains
1000
closed-loop gain of the amplifier. The power-down feature is
beneficial in critical low power applications.
The AD8137 is manufactured on Analog Devices, Inc.,
proprietary second-generation XFCB process, enabling it to
achieve high levels of performance with very low power
consumption.
The AD8137 is available in the small 8-lead SOIC package and
3 mm × 3 mm LFCSP package. It is rated to operate over the
extended industrial temperature range of −40°C to +125°C.
Rev. E
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 ©2004–2012 Analog Devices, Inc. All rights reserved.









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AD8137 Даташит, Описание, Даташиты
IMPORTANT LINKS for the AD8137*
Last content update 10/24/2013 10:31 am
NEWER ALTERNATIVES: ADA4940-1: (single) and ADA4940-2: (dual): Ultralow Power, Low Distortion ADC Driver
SIMILAR PRODUCTS & PARAMETRIC SELECTION TABLES
Find Similar Products By Operating Parameters
High Speed Amplifiers Selection Table
ADA4932-1: (single) and ADA4932-2: (dual): Low Cost / Low Power
Differential ADC Driver
ADA4937-1: (single) and ADA4937-2: (dual): Ultralow Distortion
Differential ADC Driver
ADA4938-1: (single) and ADA4938-2: (dual): Ultralow Distortion
Differential ADC Driver
ADA4927-1: (single) and ADA4927-2: (dual): Ultralow Distortion
Current Feedback Differential ADC Driver
ADA4930-1: (single) and ADA4930-2: (dual): Ultralow Noise Drivers
for Low Voltage ADCs
DESIGN TOOLS, MODELS, DRIVERS & SOFTWARE
Analog Filter Wizard 2.0
ADI DiffAmpCalc™
AD8137 SPICE Macro-Model, Rev D
DESIGN COLLABORATION COMMUNITY
Collaborate Online with the ADI support team and other designers
about select ADI products.
Follow us on Twitter: www.twitter.com/ADI_News
Like us on Facebook: www.facebook.com/AnalogDevicesInc
DOCUMENTATION
AN-1026: High Speed Differential ADC Driver Design Considerations
AN-0990: Terminating a Differential Amplifier in Single-Ended Input
Applications
AN-0992: Active Filter Evaluation Board for Differential Amplifiers
AN-649: Using the Analog Devices Active Filter Design Tool
AN-584: Using the AD813X Differential Amplifier
MT-218: Multiple Feedback Band-Pass Design Example
MT-076: Differential Driver Analysis
MT-075: Differential Drivers for High Speed ADCs Overview
A Stress-Free Method for Choosing High-Speed Op Amps
UG-474: Evaluation Board for Differential Amplifiers Offered in 8-Lead
SOIC Packages
UG-190: Differential Amplifier Evaluation Board for Single 8-lead
LFCSP Packages
UG-130: Differential Amplifier Evaluation Board for 8-lead SOIC and
MSOP Packages
“Rules of the Road” for High-Speed Differential ADC Drivers
AD8139/AD8137: Differential Amplifiers For ADC Driving
Industrial Applications Booklet
Industrial Applications Technical Presentation
DESIGN SUPPORT
Submit your support request here:
Linear and Data Converters
Embedded Processing and DSP
Telephone our Customer Interaction Centers toll free:
Americas:
1-800-262-5643
Europe:
00800-266-822-82
China:
4006-100-006
India:
1800-419-0108
Russia:
8-800-555-45-90
Quality and Reliability
Lead(Pb)-Free Data
SAMPLE & BUY
AD8137
View Price & Packaging
Request Evaluation Board
Request Samples
Check Inventory & Purchase
Find Local Distributors
EVALUATION KITS & SYMBOLS & FOOTPRINTS
View the Evaluation Boards and Kits page for documentation and
purchasing
Symbols and Footprints
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* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet.
Note: Dynamic changes to the content on this page (labeled 'Important Links') does not
constitute a change to the revision number of the product data sheet.
This content may be frequently modified.









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AD8137 Даташит, Описание, Даташиты
AD8137
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Descripton .......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 9
Thermal Resistance ...................................................................... 9
Maximum Power Dissipation ..................................................... 9
ESD Caution.................................................................................. 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 11
REVISION HISTORY
7/12—Rev. D to Rev. E
Changes to Features Section and Applications Section............... 1
Added AD8137W ...............................................................Universal
Updated Outline Dimensions ....................................................... 28
Changes to Ordering Guide .......................................................... 29
Added Automotive Products Section .......................................... 29
7/10—Rev. C to Rev. D
Changes to Power-Down Section, Added Figure 68,
Renumbered Subsequent Figures ................................................. 24
Changes to Ordering Guide .......................................................... 27
12/09—Rev. B to Rev. C
Changes to Product Title, Applications Section, and General
Description Section .......................................................................... 1
Changes to Input Resistance Parameter Unit, Table 3................. 5
Added EPAD Mnemonic/Description, Table 6 ............................ 7
Added Figure 61; Renumbered Sequentially .............................. 17
Moved Test Circuits Section.......................................................... 18
Changes to Power Down Section ................................................. 24
Updated Outline Dimensions ....................................................... 26
7/05—Rev. A to Rev. B
Changes to Ordering Guide .......................................................... 24
Data Sheet
Test Circuits..................................................................................... 21
Theory of Operation ...................................................................... 22
Applications Information .............................................................. 23
Analyzing a Typical Application with Matched RF and RG
Networks...................................................................................... 23
Estimating Noise, Gain, and Bandwith with Matched
Feedback Networks .................................................................... 23
Driving an ADC with Greater than 12-Bit Performance...... 27
Outline Dimensions ....................................................................... 29
Ordering Guide .......................................................................... 30
Automotive Products ................................................................. 30
8/04—Rev. 0 to Rev. A.
Added 8-Lead LFCSP.........................................................Universal
Changes to Layout ..............................................................Universal
Changes to Product Title and Figure 1...........................................1
Changes to Specifications.................................................................3
Changes to Absolute Maximum Ratings........................................6
Changes to Figure 4 and Figure 5....................................................7
Added Figure 6, Figure 20, Figure 23, Figure 35, Figure 48,
and Figure 58; Renumbered Sequentially ......................................7
Changes to Figure 32...................................................................... 12
Changes to Figure 40...................................................................... 13
Changes to Figure 55...................................................................... 16
Changes to Table 7 and Figure 63................................................. 18
Changes to Equation 19................................................................. 19
Changes to Figure 64 and Figure 65............................................. 20
Changes to Figure 66...................................................................... 22
Added Driving an ADC with Greater Than 12-Bit
Performance Section ...................................................................... 22
Changes to Ordering Guide .......................................................... 24
Updated Outline Dimensions....................................................... 24
5/04—Revision 0: Initial Version
Rev. E | Page 2 of 32










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