How to interface high speed data converters?

nterfacing high-speed data converters

There are several ways to give a signal to a high-speed ADC. This post explains the tradeoffs between baluns, transformers and op amps.

ADCs analog-to-digital converters deploy technology to sample and capture analog signals with great precision and at quick sampling rates. The complexity of data converters rises with high sampling rates and/or high quantity of bits. Data converters are specified with right input conditions, which you have to strict to in order to win the ultimate result. It is a challenge to gauge, drive, and interface the analog signal to the ADC input.

ADC input architectures and choice of driver

The analog-input configuration of an ADC differs based on the quantum of bits of resolution and the highest sample frequency. The input stage of the converter might be single-ended or differential. In addition, the inputs themselves may be high-impedance or they may be linked to switched-capacitor circuit elements. High-impedance inputs are sometimes named as buffered inputs. Both of these factors influence the option of the input driver.
Features. Maximum Sample Rate: 80 MSPS; 12-bit Resolution with No Missing Codes; Buffered Analog Inputs with. Very Low Input Capacitance (< 2 pF); High DC Resistance (5 k ). 82 dBc SFDR and 70 dBFS SNR (-1 BFS or 1.8 Vpp input) … [view original]
NORWOOD, Mass.–(BUSINESS WIRE)–Analog Devices’ low-power, high-speed 14-bit ADCs incorporate the JESD204A data converter serial interface standard. [view original]
Features. Maximum Sample Rate: 200 MSPS; High Dynamic Performance. SFDR 82 dBc at 140 MHz; 72.3 dBFS SNR in 60 MHz BW Using SNRBoost3G technology. SNRBoost3G Highlights. Supports Wide Bandwidth up to 60 MHz; Programmable Bandwidths – 60 … [view original]
Johnson Thermo-Electrochemical Converter System – SciForums.com. PDF/Adobe Acrobat – Quick ViewThe Thermo Scientific SRS Pro solvent recycling system can reduce mobile phase 12 bit analog-to-digital converter. • 1 Hz data rate. … [view original]
Analog Devices has unveiled a new analogue to digital converter, which consumes 328mW per channel – half the power per channel of competing data converters. [view original]