Description

1.1 Description

The THS4503EVM provides a platform for developing high-speed FDA application circuits. It contains the THS4503 high-speed FDA, a number of passive components, and various features and footprints that enable the user to experiment, test, and verify various operational amplifier circuit implementations. The PC board measures 3.08 by 2.42 inches.

1.2 Evaluation Module Features

THS4503 high-speed operational amplifier EVM features include:

-Wide operating supply voltage range: single supply 5 Vdc to dual supply

±5 Vdc operation (see the device data sheet). Single supply operation is obtained by placing a jumper from GND (J7) to –VS(J5).

-Single-ended and fully differential input capability

-Single-ended and fully differential output capability

-Nominal 50-Ω input termination (R1R2). Termination can be configured according to the application requirement.

-VOCM direct input through TP1

-Output transformer T1

-Footprints for antialiasing filter implementation using locations R6, R7, C5, and C6

-Footprints for low pass filter implementation using locations C3, C4

-800-Ω load provided through R8, R10, R9, and R11 reflected through T1

-Three convenient GND test points on the PCB

-Power supply ripple rejection capacitors (C8 and C11)

-Decoupling capacitors (C9, C12) populated with 0.1 µF capacitors— design final decoupling in accordance with SLOA069.

-PowerPADheatsinking capability

-A good example of high-speed amplifier PCB design and layout

1.3THS4503EVM Operating Conditions

-

Supply voltage range, ±VS

5 V to ±5 V (see the device data sheet)

-

Supply current, IS

(see the device data sheet)

For complete THS4503 amplifier IC specifications, parameter measurement information, and additional application information, see the THS4503 data sheet, TI literature number SLOS350.

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Texas Instruments manual Description, Evaluation Module Features, THS4503EVM Operating Conditions

THS4503EVM specifications

The Texas Instruments THS4503EVM is a high-performance evaluation module designed to showcase the capabilities of the THS4503, a high-speed voltage feedback amplifier. This EVM is ideal for engineers and designers looking to evaluate the performance characteristics of this amplifier in real-world applications, including video signal processing, data acquisition systems, and RF applications.

One of the main features of the THS4503EVM is its exceptional bandwidth performance. The THS4503 amplifier boasts a wide bandwidth that extends up to 1 GHz, making it suitable for applications where high frequency signals need to be processed with minimal distortion. The high slew rate of 3000 V/µs allows for rapid signal changes, ensuring that fast transients are accurately captured without significant overshoot or ringing.

The design of the THS4503EVM also incorporates a low noise characteristic, making it an excellent choice for sensitive applications where signal integrity is paramount. The EVM's Input Voltage Noise Density is remarkably low, contributing to cleaner signal amplification and making it a valuable tool for testing low-level signals.

Another significant characteristic of the THS4503EVM is its flexibility in configuration. The evaluation module is equipped with connectors that allow users to quickly set up various input and output configurations. This provides engineers with the ability to easily test a wide range of operating conditions, including voltage gain settings, power supply configurations, and load conditions, all ideal for diverse application scenarios.

Furthermore, the THS4503EVM supports both single and dual power supply options, accommodating various system designs. It can operate on a supply voltage range from ±2.5 V to ±5 V, allowing users to tailor the functionality of the amplifier to their specific power requirements.

In terms of technology, the THS4503 integrates precision feedback circuitry and advanced manufacturing techniques, ensuring minimal drift and excellent linearity. The module is designed for simplicity and user-friendliness, with comprehensive documentation and application information available from Texas Instruments, aiding users in achieving optimal performance.

In summary, the Texas Instruments THS4503EVM is a powerful evaluation tool for the THS4503 amplifier, featuring high bandwidth, low noise, flexible configuration options, and robust support for various supply voltages. Its capabilities make it an invaluable resource for engineers working across a wide range of high-speed signal applications.