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AD629: High Common-Mode Voltage, Difference Amplifier
Product Status:Production
Data
Sheet
Sheet
AD629 Data Sheet Rev C, 04/2011
(pdf 534kB)
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Drivers & SoftwareDesign Tools, Device Drivers, SPICE, Models, Software
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Product Details
Product Status:Production
myAnalogFEATURES and BENEFITS
- Improved replacement for: INA117P and INA117KU
- ±270 V common-mode voltage range
- Input protection to
±500 V common mode
±500 V differential mode
Wide power supply range (±2.5 V to ±18 V)
±10 V output swing on ±12 V supply
1 mA maximum power supply current
- HIGH ACCURACY DC PERFORMANCE
3 ppm maximum gain nonlinearity (AD629B)
20 μV/°C maximum offset drift (AD629A)
10 μV/°C maximum offset drift (AD629B)
10 ppm/°C maximum gain drift - EXCELLENT AC SPECIFICATIONS
77 dB minimum CMRR @ 500 Hz (AD629A)
86 dB minimum CMRR @ 500 Hz (AD629B)
500 kHz bandwidth
Functional Block Diagram for AD629
High Common-Mode Voltage, Difference Amplifier
Functional Block Diagram for AD629
Similar Products
Documentation
| Title | Content Type | File Type |
|---|---|---|
| AD629: High Common-Mode Voltage, Difference Amplifier Data Sheet (Rev C, 04/2011) (pdf, 534 kB) | Data Sheets | |
| AN-244: A User's Guide to I.C. Instrumentation Amplifiers (pdf, 522 kB) | Application Notes | |
|
AN-245: Instrumentation Amplifiers Solve Unusual Design Problems
(pdf, 543 kB)
Traditionally Considered Only for Transducer-Conditioning Applications, Instrumentation Amplifiers Bring Unique Performance Benefits to a Range of Other Applications as Well. |
Application Notes | |
| AN-671: Reducing RFI Rectification Errors in In-Amp Circuits (pdf, 208 kB) | Application Notes | |
|
AN-589: Ways to Optimize the Performance of a Difference Amplifier
(pdf, 115 kB)
This Application Note presents several ways to build and optimize the performance of a discrete difference amplifier. It also recommends amplifiers that will make the overall solution cost/performance competitive with monolithic instrument amplifiers. |
Application Notes | |
| CN-0240: Bidirectional Isolated High-Side Current Sense with 270 V Common-Mode Rejection (pdf, 336 kB) | Circuit Note | |
| CN-0100: Measuring −48 V High-Side Current Using the AD629 Difference Amplifier, AD8603 Op Amp, AD780 Reference, and AD7453 12-Bit ADC Single-Supply Components (pdf, 108 kB) | Circuit Note | |
| A Designer's Guide to Instrumentation Amplifiers (3rd Edition) | Design Handbooks | HTML |
|
Finding the Needle in a Haystack: Measuring small differential voltages in the presence of large common-mode voltages
(Analog Dialogue, Vol. 34, No. 1, January-February, 2000) |
Analog Dialogue | HTML |
|
Auto-Zero Amplifiers
(doc, 75 kB)
A wide variety of electronic applications, especially those involving very small input signals, require signal paths with very low offset voltage and offset voltage drift over time and temperature. |
Technical Articles | DOC |
|
High-performance Adder Uses Instrumentation Amplifiers
Make an adder circuit using instrumentation amplifiers to increase input impedance. (EDN, 9/3/2009) |
Technical Articles | HTML |
|
High-Voltage Monitor Features High Accuracy
... Article is on page 3 of PDF. (Electronic Design, Ideas for Design, 8/19/2002) |
Technical Articles | HTML |
|
Input Filter Prevents Instrumentation-amp RF-Rectification Errors
by Charles Kitchin, Lew Counts, and Moshe Gerstenhaber, Analog Devices, Inc. (EDN, 11/13/2003) |
Technical Articles | HTML |
| The AD8221 - Setting a New Industry Standard for Instrumentation Amplifiers (pdf, 582 kB) | Technical Articles | |
| Applying Instrumentation Amplifiers Effectively: The Importance of an Input Ground Return (pdf, 508 kB) | Technical Documentation | |
| Leading Inside Advertorials: Applying Instrumentation Amplifiers Effectively–The Importance of an Input Ground Return (pdf, 121 kB) | Overview | |
| RAQs index | Rarely Asked Questions | HTML |
| Glossary of EE Terms | Glossary | HTML |
Design Tools,Models,Drivers & Software
| Title | Content Type | File Type |
|---|---|---|
| AD629 SPICE Macro-Models | SPICE Models | HTML |
Evaluation Kits & Symbols & Footprints
Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.
Product Recommendations & Reference Designs
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Updated 02/2012
CN0240:Bidirectional Isolated High-Side Current Sense with 270 V Common-Mode Rejection
Benefits & Features
- +/- 270 V common mode voltage
- Creates isolated supply for digital control
- 1% accuracy, bidirectional current monitor system
- Galvanic isolation protects processor
Products Used
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HARDWARE
CN0240:Bidirectional Isolated High-Side Current Sense with 270 V Common-Mode Rejection
Updated 07/2009
CN0100:Measuring −48 V High-Side Current Using the AD629 Difference Amplifier, AD8603 Op Amp, AD780 Reference, and AD7453 12-Bit ADC Single-Supply Components
Benefits & Features
- 0 to -48 V common mode voltage
- High side sensing rejects ground noise
- Designed for Wireless Base Station and Telecommunication Equipment
- Single system supply voltage
Products Used
Explore in Signal Chain Designer
CN0100:Measuring −48 V High-Side Current Using the AD629 Difference Amplifier, AD8603 Op Amp, AD780 Reference, and AD7453 12-Bit ADC Single-Supply Components
Sample & Buy
Price, packaging, availability
AD629 Model Options
| Model | Package | Pins | Temp. Range |
Packing, Qty |
Price*(100-499) | Price*1000 pcs | RoHS | View PCN/ PDN | Check Inventory/ Purchase/Sample |
|---|
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
