AD9234-LF500EBZ

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Analog to Digital Converters (ADCs) are an essential part of today’s digital technology, from consumer electronics, telecommunications, and medical imaging to automotive, factory automation, and transportation applications. As such, these devices are frequently called upon to measure or convert electrical signals in a timely and accurate manner. The AD9234-LF500EBZ Evaluation Board is an innovative device based on the Analog Devices, Inc. (ADI) AD9234-LF 10-bit, 500 MSPS A/D Converter and its associated evaluation system. This evaluation board is designed to facilitate a thorough assessment of the device’s performance in any system.

The universally employed Delta-Sigma architecture of the AD9234-LF 500 MSPS ADC introduces the novel concept of dual noise shaping, which increases the accuracy to within 1 bit allowing for one-bit-out/single-bit-out (OB/SB) operation. Additionally, the differential inputs of the device reject EMI/RFI and other sources of interference. It contains three amplifier gain outputs, digital gain settings, and a composite analog output for a 10-bit resolution.

The AD9234-LF 500MSPS Evaluation Board is designed to operate at up to 500 MSPS. It is a four-layer PCB and comes with all requisite components and established, on-board circuitry to accurately measure the performance of the AD9234-LF A/D Converter. The board includes a programmable clock synthesizer with reference input and the option for external reference, as well as an adjustable LDO. It also includes a JTAG device, on-board power and ground planes, an operational amplifier, and all other components required for the evaluation of performance of the device. The evaluation board also includes an on-board reference design for quickly prototyping and evaluating your design ideas.

The performance of the AD9234-LF Evaluation Board is ascertained by three distinct metrics: its dynamic range and linearity, sample-to-sample jitter, and harmonic distortion. The dynamic range and linearity enable the AD9234-LF to operate in high-resolution, low-power mode. The sample-to-sample jitter, or ISI, is an indication of the AD9234-LF’s jitter performance. Finally, the harmonic distortion assesses how large a signal the AD9234-LF can provide before it becomes too noisy.

The evaluation board features direct connections to the ADC’s external reference input and two differential inputs which enable signal-to-noise ratio evaluations. Test points are located throughout the board and enable easy monitoring of resolution, linearity, and noise characterization. Additionally, the board incorporates the AD9234-LF’s on-chip motor control functions and includes a PWM controller for 3-phase motor control applications.

The AD9234-LF 500MSPS Evaluation Board is one of the most versatile, user-friendly boards available on the market today. It is a compact device, and it allows designers to quickly and reliably evaluate the contrast of the 10-bit resolution of the AD9234-LF over a wide range of input frequencies. It is designed for a variety of application fields from consumer electronics and automotive to factory automation and transportation.

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