DAC1628D1G25HN

Dual 16-bit DAC: JESD204B interface: up to 1.25 Gsps; 2x, 4x and 8x interpolating


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The DAC1628D1G25 is a high-speed high-performance 16-bit dual channel digital-to-analog converter (DAC). The device provides a sample rate up to 1.25 Gsps with selectable 2x, 4x and 8x interpolation filters optimized for multi-carrier and broadband wireless transmitters. The DAC1628D1G25 integrates a high-speed serial input data interface running up to 6.25 Gbps allowing an input sampling rate up to 625 Msps over four differential lanes. The interface, called CGVXpress™, is compliant with the JEDEC JESD204B standard.

Features and benefits

  • Dual-channel 16-bit resolution
  • 1.25 Gsps maximum update rate (output rate)
  • Differential scalable output current from 6.95 mA to 32 mA
  • Integrated PLL with Bypass mode
  • 16-bit I/Q phase adjustment
  • Embedded complex digital modulator
  • 1.8 V and 3.3 V power supplies
  • Four configurable JESD204B-compliant serial input lanes running up to 6.25 Gbps
  • Differential Current Mode Logic (CML) receiver
  • LVDS or LVPECL compatible DAC clock
  • RF enable/disable pin
  • RF automatic mute features
  • Embedded die temperature sensor
  • 625 Msps maximum input data rate
  • Selectable 2x, 4x and 8x interpolation filters
  • Very low noise integrated Phase-Locked Loop (PLL)
  • Embedded NCO with 40-bit programmable frequency
  • power-down and sleep controls
  • On-chip 1.25 V reference

Applications

  • Wireless infrastructure including LTE-A, LTE, TD-LTE, MC-GSM, W-CDMA, TD-SCDMA
  • Communication: LMDS/MMDS, point-to-point microwave backhaul
  • Direct Digital Synthesis (DDS)
  • Instrumentation
  • Digital radio links
  • High Definition Video Broadcast Product Equipment
  • Automated Test Equipment (ATE)
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
Ptottotal power dissipationfs = 1228.8 Msps; 2x interpolation; NCO on; MDS on; full power-down1.2mW
Ptottotal power dissipationfs = 1228.8 Msps; 2x interpolation; NCO on; MDS on2600mW
Tambambient temperature-4085°C
ACPRadjacent channel power ratioB = 10 MHz; fs = 1228.8 Msps; fo = 210 MHz; 4x interpolation; 2 carriers73dBc
ACPRadjacent channel power ratioB = 20 MHz; fs = 1228.8 Msps; fo = 210 MHz; 4x interpolation; 4 carriers72dBc
fssampling rate1250Msps
IMD3third-order intermodulation distortionf1 = 20 MHz; f2 = 21 MHz; fs = 1228.8 Msps; -7 dBFS; 4x interpolation93dBc
IMD3third-order intermodulation distortionf1 = 152.1 MHz; f2 = 155.1 MHz; fs = 983 Msps; -7 dBFS; 4x interpolation85dBc
Nchnumber of channels2
Nresnumber of resolution bits16bit
SFDRspurious-free dynamic rangefdata = 307.2 MHz; fs = 1228.8 Msps; B = fs / 2; fo = 20 MHz at -1 dBFS83dBc
SFDRspurious-free dynamic rangeB = fs / 2; fo = 20 MHz at -1 dBFS; fdata = 245.76 MHz; fs = 983.04 Msps85dBc

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
DAC1628D1G25HN/C1DAC1628D1G25HN/C1,9352 965 63518DevelopmentSOT684-8
(HVQFN56) 		Reel Dry Pack, SMD, 13"Standard Marking
DAC1628D1G25HN/C1DAC1628D1G25HN/C1:9352 965 63551DevelopmentSOT684-8
(HVQFN56) 		Tray Dry Pack, Bakeable, SingleStandard Marking

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
DAC1628D1G25HN/C1DAC1628D1G25HN/C1,DAC1628D1G25HN/C1Always Pb-free33
DAC1628D1G25HN/C1DAC1628D1G25HN/C1:DAC1628D1G25HN/C1Always Pb-free33
Quality and reliability disclaimer

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Documentation for this product

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
DAC1628D1G25HN/C19352 965 63518DAC1628D1G25HN/C1,      not available
DAC1628D1G25HN/C19352 965 63551DAC1628D1G25HN/C1:      not available

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