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DAC5681ZIRGCT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DAC5681ZIRGCT product

DAC5681ZIRGCT

Digital to Analog Converters (DAC)

16-bit DAC1.0 GSPSLVDSDDR input2x interpolation4x interpolationCurrent outputVQFN-64

DAC5681ZIRGCT is a 16-bit, 1.0 GSPS current-output DAC for wideband transmit and waveform-generation designs requiring LVDS input and optional 2x or 4x interpolation.

Best for

  • Wideband transmitter signal chains
  • Digital IF generation
  • High-speed arbitrary waveform generation

Avoid if

  • A low-speed voltage-output DAC is required
  • The system cannot support high-speed LVDS routing and clocking
  • A simpler low-power converter is sufficient

Check before use

  • Validate output spectral performance at the intended IF and sample rate.
  • Verify DCLK/DLL timing and stable synchronization behavior.
  • Design the output transformer or load network within the DAC compliance range.

Key specifications

Resolution
16 bits
Update rate
1.0 GSPS
Input interface
16-bit DDR LVDS
Interpolation
2x or 4x
Output current
2 mA to 20 mA differential
Package
64-pin VQFN, 9 mm × 9 mm

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-3-260C-168 HR
ECCN
-
HTSUS
-

Application

Cellular base stationsBroadband wireless transmittersCable modem termination systemsArbitrary waveform generators

Datasheet

Texas-Instruments-company-64.pdf

800 KB

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CAD Models

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Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Alternative components

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Design and risk insights

Questions & answers

DAC5681ZIRGCT is a Texas Instruments 16-bit single-channel digital-to-analog converter rated for a 1.0 GSPS update rate. It has a 16-bit DDR LVDS input, integrated FIFO, DLL, clock-multiplying PLL, 2x/4x interpolation filters, and differential current outputs.