ADS58J89EVM

Series:	--
Part Status:	Active
Number of A/D Converters:	4
Number of Bits:	14
Sampling Rate (Per Second):	500M
Data Interface:	JESD204B, Serial
Input Range:	1.25 Vpp
Power (Typ) @ Conditions:	3.94W @ 500MSPS
Utilized IC / Part:	ADS58J89
Supplied Contents:	Board(s), Cable(s)

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ADS58J89EVM Application Field and Working Principle

Introduction

The ADS58J89EVM (Evaluation Module) is a board designed to evaluate the performance of TI\'s ADS58J89 analog-to-digital converter (ADC). The ADS58J89EVM combines a Texas Instruments Inc. (TI) analog-to-digital converter (ADC) daughter card with a low power 8-bit digital-to-analog converter (DAC) daughter card along with an Analog Devices Inc. (ADI) evaluation board. The ADI evaluation board in turn contains an Analog Devices Inc. (ADI) FPGA, and an array of digital and analog peripherals such as serial port, loopback connectors, and voltage measurements.

Application Fields

The ADS58J89EVM board Evaluation module is used primarily for evaluation and design of high-speed data transmission systems. The data transmission systems may include systems for medical imaging, automotive usages, radar, sonar and communications applications.The ADS58J89EVM board is used to evaluate and design transmission systems that support 16-lane (8-lane transmit and 8-lane receive) of data at a rate of 166.81 MBytes per second. The board contains transmitters, receivers, data decoders, encode-decoders, digital-to-analog converters, analog-to-digital converters, timing applications and time-domain test solutions. On board support includes standard linear power supplies, construction features, and high-impedance buffers. The board has multiple direct interface ports to expand the functionality and flexibility of the design. The board is also extensively used for various application evaluations such as: radar and sonar personnel detection, phantom imaging applications, and 3D medical imaging.

Design

The ADS58J89EVM includes a variety of components and features depending on the user\'s design requirements. At the heart of the evaluation module is the ADS58J89 High-Speed, 16-Lane, 6-bit ADC, which isTI\'s 3rd generation ADC. The ADC is capable of operating at up to 166.81 MBytes/second and is designed to support the 16-lane ExDMA (Extreme Data Management Array) data bus. ExDMA is a part of the TI C6000 Dual-core Processor. It is designed to use two 7-lane transmit and receive processors to achieve a maximum throughput of 166.81 MBytes per second.The on-board electronics of the ADS58J89EVM are comprised of:

• The TI ADC card, which is composed of the TI ADC and supporting electronics
• The ADI low power DAC, which is used for signal generation
• The ADI evaluation board, which is used to interface the TI ADC and the ADI low power DAC to the software or hardware (Synthesizer and loopback accessories)

The card also includes a number of different analog and digital peripherals. These include voltage measurements, analog/digital power supplies, voltage dividers, loopback cards, serial bidirectional communication card, a low power switch card, and a breakout board with standard connectors. The ADS58J89EVM also contains a variety of dedicated external connections for 3rd party interfaces like DSP codecs, cables, external FPGAs, memory, and daughter cards to allow for full flexibility of the design.

Working Principle

The ADS58J89EVM Evaluation Module operates on the principle that digital information can be obtained by taking high-resolution samples, and then encoding those samples in a digital format for transmission and/or storage. The process begins with the source of the digital data (e.g., video or audio). A signal is sent from the source to the ADC (analog-to-digital converter) on the evaluation module. The ADC processes the signal and converts it into a digital format. This is then sent to the digital-to-analog converter (DAC) on the evaluation module, where it is processed and converted back into an analog format. The signal is then sent out from the DAC to the destination (e.g., display or speaker). The evaluation module also includes an internal signal processing block that takes the analog input signal and performs several operations such as sign extension, filtering, gain control, and calibration. This internal signal processing block allows for a very compact and efficient design. Additionally, an external signal processing block (optional) can also be added to the evaluation module to realize specific design needs.

Conclusion

The ADS58J89EVM Board Evaluation Module is a versatile and efficient tool for testing and validating high-speed data transmission systems. The evaluation module provides a well-designed platform for the testing and development of radar and sonar, medical imaging, automotive applications, communications, and other high speed transmission systems. Furthermore, the on-board peripherals and resources allow for a very flexible design, allowing for designers to tailor the board to their specific application. The evaluation module operates on the principle that digital data can be obtained by taking high-resolution samples and then encoding those samples into a digital format for transmission and/or storage. Additionally, the evaluation module contains an internal signal processing block for performing certain operations as well as an external signal processing block that can be used to realize specific design needs.

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