Product Status: Discontinued EOL Sept, 2006

The AT84AS004 10-bit 2 Gsps ADC with 1:2/4 DMUX is an upgrade of the AT84AS003 10-bit 1.5 Gsps ADC with 1:2/4 DMUX to allow users to work at 2 Gsps sampling frequency. AT84AS004 is the first ADC on the marketAT84AS004VTP_RV_AT30990 breaking the 8.0 ENOB barrier at sampling rates over 1 Gsps. At Nyquist conditions, performance such as 7.8 ENOB and 55 dB SFDR at 2 Gsps has been demonstrated. Furthermore, the 3 GHz analog input bandwidth allows operation in second Nyquist zone with remarkable performance at up to 1.5 GHz input frequency, making it a fully functional broadband analog data converter.

The embedded selectable 1:2 or 1:4 demultiplexer allows direct interfacing with standard LVDS compatible FPGAs, without any timing or voltage tuning necessary, even when sweeping the sampling frequency from 100 Msps to 2 Gsps.

It is the best option to upgrade existing systems or to design new state-of-the-art digitizers in applications such as digital receivers, test instrumentation or radar equipment.


App Notes
Document Description Type
AT84AS003 and AT84AS004 ADC with DMUX AT84AS003 and AT84AS004 ADC with DMUX PDF
AT84AS003/4 ADC reset implementation AT84AS003/4 ADC reset implementation PDF
AT84AS004 single-ended or differential clock and analog inputs AT84AS004 single-ended or differential clock and analog inputs PDF
Document Description Type
AT84AS004 Datasheet AT84AS004 Datasheet PDF
Document Description Type
AT84AS004 EB User Guide AT84AS004 EB User Guide PDF
Document Description Type
BDC Checklist BDC Checklist PDF
Board Layout Board Layout

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