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IC-Hersteller Texas Instruments

Texas Instruments ADC12DJ3200 | Demoboard TIDA-01024

High Channel Count JESD204B Daisy Chain Clock Reference Design for RADAR and 5G Wireless Testers

Details

TopologieSonstige Topologie

Beschreibung

High-speed multi-channel applications require low noise and scalable clocking solutions capable of precise channel-to-channel skew adjustment to achieve optimal system SNR, SFDR, and ENOB. This reference design supports scaling up JESD204B synchronized clocks in daisy chain configuration. This design provides multichannel JESD204B clocks using TI’s LMK04828 clock jitter cleaner and LMX2594 wideband PLL with integrated VCOs to achieve clock-to-clock skew of <10 ps. This design is tested with TI’s ADC12DJ3200 EVMs at 3 GSPS, and a channel-to-channel skew of < 50 ps is achieved with improved SNR performance. All key design theories are described to guide users through the part selection process and design optimization. Finally, schematics, board layouts, hardware testing, and test results are included.

Eigenschaften

  • High frequency (GSPS) sample clock generation
  • High channel count and scalable JESD204B compliant clock solution
  • Low phase noise clocking for RF sampling ADC/DAC
  • Configurable phase synchronization to achieve low skew in multi-channel system
  • Supports TI’s high-speed converter and capture cards (ADC12DJ3200EVM, TSW14J56 / TSW14J57)

Typische Anwendungen

  • Wireless Communication Testers / Phased Array Radars

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieCTol. CVR
(V (DC))
BauformBetriebstemperaturDF
(%)
RISOKeramiktypL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Technische Artikelnummer Muster
885012208019SPEC
6 Dateien WCAP-CSGP MLCCs 10 V(DC)22 µF ±10% 10 1206 -55 bis zu +125 °C 100.005 GΩ X7R Klasse II 3.2 1.6 1.6 0.5 X7R1206226K010DFCT10000
Artikel Nr. Daten­blatt Simu­lation
885012208019SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieCTol. CVR
(V (DC))
BauformBetriebstemperaturDF
(%)
RISOKeramiktypL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Technische Artikelnummer Muster