THS4520EVM

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Channels per IC:	1 - Single
Moisture Sensitivity Level (MSL):	--
Amplifier Type:	Differential
Output Type:	Differential, Rail-to-Rail
Slew Rate:	570 V/µs
-3db Bandwidth:	620MHz
Current - Output / Channel:	105mA
Current - Supply (Main IC):	14.2mA
Voltage - Supply, Single/Dual (±):	3 V ~ 5.25 V, ±1.5 V ~ 2.625 V
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	THS4520

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Evaluation boards or EVMs are designed to serve as quick and efficient testing and evaluation products through featuring a variety of operational amplifiers (Op Amps) for various applications. The THS4520EVM is a dedicated Evaluation Module (EVM) for Texas Instruments’ THS4520, a low-voltage op amp. This device provides up to a 160 dB open-loop gain, low input-voltage DC offset, and a fast settling time. It is suitable for a range of applications, such as low power audio, detector, or filter systems, and can be used in data acquisition systems, medical instruments, and portable instrumentation.

Application Fields

The THS4520EVM can be used in a variety of applications. Some of these include:

• Low-Power Audio
• Data Acquisition
• Instrumentation
• Medical Instruments
• Magnetic Imaging
• Power Sensing
• A/D and D/A conversion
• Active Filters
• Motor Control
• Power Supplies
• Industrial Automation
• Signal Conditioning
• Communications Systems
• Precision Biometrics

The THS4520EVM can also be used in applications that require performance, noise immunity, low power consumption, and accuracy. It is able to provide the user with an optimized solution due to its low-voltage design, fast settling time, and low input-voltage DC offset.

Working Principle

The THS4520EVM provides different gain configurations controlled by the onboard selectable switches. This feature helps in reducing the amount of time spent in the design process by providing the user with the ability to automatically set the desired gain. This EVM offers dual outputs, which allows the user to have more control over the output signal, as well as monitoring and test of the multiple signals from the chip. The THS4520EVM also includes a separate input buffer, providing the user with accurate and realistic simulations of their application.

The THS4520EVM operates at a low voltage range (2.7 V to 5.5 V) and offers a wide operational temperature range of -40 to +125°C. This EVM also includes a PCB with an overall area of 43 x26 millimeters, making it suitable for a range of automated assembly and mounting processes. Combined with its design flexibility, this makes the THS4520EVM a suitable choice for many applications.

The THS4520EVM is designed with on-board circuitry to reduce external parts required for small form factor applications. This design flexibility allows the module to be used in a variety of applications and will help the user to reduce the design cycle time and cost. Additionally, thermal effects are also reduced with this design, as no additional components are needed in order to dissipate generated heat.

The THS4520EVM is powered through the integrated input buffer. This buffer helps in reducing the effects of the inductive and capacitive errors from the signal path, providing the user with more accurate results. This feature is also useful for testing and measuring the Distortion/Noise/Susceptibility (DNS) performance of the module. Additionally, the EVM also includes a suite of tests, such as input offset, common-mode rejection, and gain accuracy, to ensure the user gets the most out of their design applications.

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