12-bit DAC provides high levels of spectral purity from 0 to 7GHz
Product Status: Active

This ground breaking DAC provides an analog bandwidth extending beyond 7GHz facilitating multi-band, direct digital synthesis in the L, C and S-bands. Furthermore 30ps rise/fall times also makes this part ideal in time domain applications. A flexible 4:1 or 2:1 input multiplexer enables sampling rates up to 4.5 GSPS.

Four output coding modes (NRZ, RTZ, NRTZ and RF) offer design flexibility and helps simplify frequency planning. This unique part can deliver spectral power up to and beyond the fourth Nyquist zone (see charts below). The DAC achieves > 50dB NPR and high spectral purity with an SFDR of 65dBc@2240MHz.

The EV12DS400 offers features to simplify design-in for many sophisticated RF systems.


NPR with -dBFS loading factor
Nyquist Zone Output Mode NPR ENOB
NZ1 NRTZ 47.5 dB 9.4 bit
NZ2 NRTZ 42 dB 8.5 bit
NZ3 RF 39 dB 8 bit


App Notes
Document Description Type
EV12DS400A Application Note Pin differences between EV12DS130xZP and EV12DS400xZP
Document Description Type
Qualification Report EV12DS400A family qualification report PDF
Document Description Type
C&I Temp Datasheet Commercial & Industrial grade package datasheet PDF
Mil Temp Datasheet Military grade package datasheet PDF
Document Description Type
User guide Evaluation Board 12-bit DAC with 4/2:1 MUX user guide PDF
Document Description Type
Product Flyer EV12DS400 facts and figures PDF
Document Description Type
Ibis Model IBIS model Software
SciLab Software SciLab – Fout vs Pout mathematical model ZIP
Spice Model Software Spice model ZIP
Document Description Type
White Paper Microwave DAC promises direct digital synthesis from DC to 7GHz and beyond PDF

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