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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
- 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
- See data sheet for additional features
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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 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.
APPLICATIONS
- ADC drivers
- Portable instrumentation
- Battery-powered applications
- Single-ended-to-differential converters
- Differential active filters
- Video amplifiers
- Level shifters
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AD8137
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User Guide
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Documentation
Data Sheet 1
User Guide 1
Application Note 5
AN-584: Using the AD813X Differential Amplifier (Rev.0)
AN-282: Fundamentals of Sampled Data Systems
AN-0992: Active Filter Evaluation Board for Differential Amplifiers
AN-0990: Terminating a Differential Amplifier in Single-Ended Input Applications
AN-1026: High Speed Differential ADC Driver Design Considerations
Tutorial 3
Product Selection Guide 1
Rarely Asked Question Page 2
Analog Dialogue 2
Webcast 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD8137WYCPZ-R7 |
8-Lead LFCSP (3mm x 3mm)
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| AD8137YCPZ-REEL7 |
8-Lead LFCSP (3mm x 3mm)
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| AD8137YRZ |
8-Lead SOIC
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| AD8137YRZ-REEL |
8-Lead SOIC
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| AD8137YRZ-REEL7 |
8-Lead SOIC
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- AD8137WYCPZ-R7
- Pin/Package Drawing
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8-Lead LFCSP (3mm x 3mm)
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
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Ultra Librarian
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SamacSys
- AD8137YCPZ-REEL7
- Pin/Package Drawing
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8-Lead LFCSP (3mm x 3mm)
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- AD8137YRZ
- Pin/Package Drawing
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8-Lead SOIC
- Documentation
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Material Declaration
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8-Lead SOIC
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Material Declaration
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Filter by Model
Part Models
Product Lifecycle
PCN
Jul 29, 2014
- 13_0205
Assembly and Test Transfer of Select 3x3mm LFCSP Products to Amkor Philippines
AD8137WYCPZ-R7
PRODUCTION
AD8137YCPZ-REEL7
PRODUCTION
Feb 1, 2012
- 11_0306
Conversion of AD8137 from Punched to Sawn leadframe and Transfer of Backend Process to STATS ChipPAC Malaysia
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 29, 2014
- 13_0205
Assembly and Test Transfer of Select 3x3mm LFCSP Products to Amkor Philippines
AD8137WYCPZ-R7
PRODUCTION
AD8137YCPZ-REEL7
PRODUCTION
Feb 1, 2012
- 11_0306
Conversion of AD8137 from Punched to Sawn leadframe and Transfer of Backend Process to STATS ChipPAC Malaysia
Evaluation Kits 2
FMCMOTCON2
OBSOLETE: AD-FMCMOTCON2-EBZ Evaluation Board
Features and Benefits
This evaluation board is obsolete and no longer recommended.
The FMCMOTCON2 evaluation kit enables users to:
- Model and implement motor control algorithms rapidly for high performance servo systems, incorporating system modelling and design concepts using Mathworks model based design
- Reduce time needed to move a motor control system from concept to production, by providing a prototyping system to verify the hardware and control algorithms before moving to production stage.
Product Detail
This evaluation board is obsolete and no longer recommended.
The AD-FMCMOTCON2-EBZ is a complete high performance servo system on an FPGA Mezzanine Card (FMC) board, the purpose of which is to provide a complete motor drive system demonstrating efficient and high dynamic control of three phase PMSM and induction motors up to 48V and 20A.
Two motors can be driven at the same time, each motor having its separate power supply. The system incorporates high quality power sources; reliable power, control, and feedback signals isolation; accurate measurement of motor current & voltage signals; high speed interfaces for control signals to allow fast controller response; industrial Ethernet high speed interfaces; single ended Hall, differential Hall, encoder and resolver interfaces; digital position sensors interface; flexible control with a FPGA/SoC interface.
The kit consists of two boards: a controller board and a drive board. An optional AD-DYNO2-EBZ dynamometer can also be purchased through Avnet and is intended to be an extension of the drive system.
Controller Board
- Digital board for interfacing with the low and high voltage drive boards
- Compatible with all Xilinx FPGA platforms with FMC LPC or HPC connectors
- FMC signals voltage adaptation interface for seamless operation on all FMC voltage levels
- Fully isolated digital control and feedback signals
- Isolated Xilinx XADC interface
- 2 x Gbit Ethernet PHYs for high speed industrial communication, with 3rd party EtherCAT support
- Single ended Hall, Differential Hall, Encoder, Resolver interfaces
- Digital sensors interfaces
- EnDat
- BISS Interface
Drive Board
- Drives motors up to 48V @ 20A
- Drives 2 motors simultaneously
- High frequency drive stage implemented with ADI isolated gate drivers
- Supported motor types
BLDC
PMSM
Brushed DC
Stepper (bipolar / unipolar) - Integrated over current protection
- Reverse voltage protection
- Current and Voltage measurement using isolated ADCs
- BEMF zero cross detection for sensorless control of PMSM or BLDC motors
- Separate voltage supplies for the 2 motors so that the motors don't influence each other
Dynamometer System with Embedded Control
- Two BLDC motors connected by a rigid couple in a dyno setup, which can be used to test real-time motor control performance.
- One BLDC motor acts as an electronically adjustable load and is driven by the embedded control system. This motor can be directly connected to the FMC motor drive to get complex / active loads. The load can be driven also by the AD-FMCMOTCON2-EBZ to implement dynamic load profiles.
- The other BLDC motor is driven by the FMC motor drive.
- Measurement and display of load motor current
- Measurement and display of load motor speed
- External control using Analog Discovery and MathWorks Instrumentation Control Toolbox
Software:
Example reference designs showing how to use the platform with Xilinx® FPGAs or SoCs and high performance control algorithms from Mathworks® are provided together with the hardware. Information on the FMC board, and how to use it, the design package that surrounds it, and the software which can make it work, can be found by clicking the software link.
Resources
EVAL-FDA-1
Universal Evaluation Board for Single Differential Amplifiers
Product Detail
Resources
200.15 K
382.52 K
Tools & Simulations 7
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
To launch ready-to-run LTspice demonstration circuits for this part:
Step 1: Download and install LTspice on your computer.
Step 2: Click on the link in the section below to download a demonstration circuit.
Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.
Lt Spice
Precision ADC Driver Tool
SPICE Model 1
ADI DiffAmpCalc™
ADIsimRF
Signal Chain Designer - BETA
Sys-Parameter
