Design Notes
- An informal description of the design" PDF File":https://www.ohwr.org/project/fmc-adc-100m14b4cha-hw/uploads/952e4a8d5d07883be5a00a6be7970657/fmc-adc_informal_description.pdf
- Estimation of the performance of the FmcAdc100M14b4cha with higher input impedance: PDF file
- Simple bill of materials and prices of the truncated versions of the FmcAdc (reduced capability): PDF file
- Power consumption:
- Power consumption measurements of ADC on SPEC carrier.
- Current consumption measurements (30/7/2010): PDF file
- More about SNR, SINAD and ENOB calculation.
- Investigating the distortion source.
- Thermal stability measurements.
Useful references
-
Fundamentals of Sampled Data Systems - Overview, Analog
Devices
- From EETimes Europe
-
ADC
Tutorials,
Analog Devices
- From Data Converter Tutorials, Analog Devices
- Optimizing SAR ADC performance by proper PCB layout (recommendations may be used in a future version of the design).
- Seven Steps to Successful Analog-to-Digital Signal Conversion (Noise calculation for proper signal conditioning) - Understand how to balance gain blocks and noise, 2010, R. Moghimi, Analog Devices.
- Understand SINAD, ENOB, SNR, THD, THD + N, and SFDR so You Don't Get Lost in the Noise Floor, W. Kester, Analog Devices
- DC-coupled, single-to-differential design solutions using fully differential amplifiers, Michael Steffes, Sr. Applications Manager, Intersil Corp.
-
Calibrating amplifiers and ADCs in
SoCs,
M. Ganesh Raaja & Pushek Madaan, Cypress Semiconductor Corp., 2012.
Referred to from
EEtimes.
The FmcAdc100M14b4cha implements double point calibration in the production test, using an external calibration voltage. It should be possible to implement Correlated Double Sampling (CDS) to dynamically compensate for offset errors. No internal calibration voltage is present.
Erik van der Bij - 19 November 2014