SBASAS1A November   2023  – March 2024 DAC39RF12 , DAC39RFS12

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics - DC Specifications
    6. 6.6  Electrical Characteristics - AC Specifications
    7. 6.7  Electrical Characteristics - Power Consumption
    8. 6.8  Timing Requirements
    9. 6.9  Switching Characteristics
    10. 6.10 SPI and FRI Timing Diagrams
    11. 6.11 Typical Characteristics: Bandwidth and DC Linearity
    12. 6.12 Typical Characteristics: Single Tone Spectra
    13. 6.13 Typical Characteristics: Dual Tone Spectra
    14. 6.14 Typical Characteristics: Noise Spectral Density
    15. 6.15 Typical Characteristics: Linearity Sweeps
    16. 6.16 Typical Characteristics: Modulated Waveforms
    17. 6.17 Typical Characteristics: Phase and Amplitude Noise
    18. 6.18 Typical Characteristics: Power Dissipation and Supply Currents
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 DAC Output Modes
        1. 7.3.1.1 NRZ Mode
        2. 7.3.1.2 RTZ Mode
        3. 7.3.1.3 RF Mode
        4. 7.3.1.4 DES Mode
      2. 7.3.2 DAC Core
        1. 7.3.2.1 DAC Output Structure
        2. 7.3.2.2 Full-Scale Current Adjustment
      3. 7.3.3 DEM and Dither
      4. 7.3.4 Offset Adjustment
      5. 7.3.5 Clocking Subsystem
        1. 7.3.5.1 SYSREF Frequency Requirements
        2. 7.3.5.2 SYSREF Position Detector and Sampling Position Selection (SYSREF Windowing)
      6. 7.3.6 Digital Signal Processing Blocks
        1. 7.3.6.1 Digital Upconverter (DUC)
          1. 7.3.6.1.1 Interpolation Filters
          2. 7.3.6.1.2 Numerically Controlled Oscillator (NCO)
            1. 7.3.6.1.2.1 Phase-Continuous NCO Update Mode
            2. 7.3.6.1.2.2 Phase-coherent NCO Update Mode
            3. 7.3.6.1.2.3 Phase-sync NCO Update Mode
            4. 7.3.6.1.2.4 NCO Synchronization
              1. 7.3.6.1.2.4.1 JESD204C LSB Synchonization
            5. 7.3.6.1.2.5 NCO Mode Programming
          3. 7.3.6.1.3 Mixer Scaling
        2. 7.3.6.2 Channel Bonder
        3. 7.3.6.3 DES Interpolator
      7. 7.3.7 JESD204C Interface
        1. 7.3.7.1  Deviation from JESD204C Standard
        2. 7.3.7.2  Transport Layer
        3. 7.3.7.3  Scrambler and Descrambler
        4. 7.3.7.4  Link Layer
        5. 7.3.7.5  Physical Layer
        6. 7.3.7.6  Serdes PLL Control
        7. 7.3.7.7  Serdes Crossbar
        8. 7.3.7.8  Multi-Device Synchronization and Deterministic Latency
          1. 7.3.7.8.1 Programming RBD
        9. 7.3.7.9  Operation in Subclass 0 Systems
        10. 7.3.7.10 Link Reset
      8. 7.3.8 Alarm Generation
    4. 7.4 Device Functional Modes
      1. 7.4.1 DUC and DDS Modes
      2. 7.4.2 JESD204C Interface Modes
        1. 7.4.2.1 JESD204C Interface Modes
        2. 7.4.2.2 JESD204C Format Diagrams
          1. 7.4.2.2.1 16-bit Formats
          2. 7.4.2.2.2 12-bit Formats
          3. 7.4.2.2.3 8-bit Formats
      3. 7.4.3 NCO Synchronization Latency
      4. 7.4.4 Data Path Latency
    5. 7.5 Programming
      1. 7.5.1 Using the Standard SPI Interface
        1. 7.5.1.1 SCS
        2. 7.5.1.2 SCLK
        3. 7.5.1.3 SDI
        4. 7.5.1.4 SDO
        5. 7.5.1.5 Serial Interface Protocol
        6. 7.5.1.6 Streaming Mode
      2. 7.5.2 Using the Fast Reconfiguration Interface
      3. 7.5.3 SPI Register Map
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Startup Procedure for DUC/Bypass Mode
      2. 8.1.2 Startup Procedure for DDS Mode
      3. 8.1.3 Eye Scan Procedure
      4. 8.1.4 Pre/Post Cursor Analysis Procedure
      5. 8.1.5 Understanding Dual Edge Sampling Modes
      6. 8.1.6 Sleep and Disable Modes
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Transmitter Design Procedure
        1. 8.2.2.1 Detailed Clocking Subsystem Design Procedure
          1. 8.2.2.1.1 Example 1: SWAP-C Optimized
          2. 8.2.2.1.2 Example 2: Improved Phase Noise LMX2820 with External VCO
          3. 8.2.2.1.3 Example 3: Discrete Analog PLL for Best DAC Performance
          4. 8.2.2.1.4 12 GHz Clock Generation
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Up and Down Sequence
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines and Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.7 Electrical Characteristics - Power Consumption

Typical values at TA = +25°C, minimum and maximum values over operating free-air temperature range, typical supply voltages, 2 channels, FINPUT = 3 GSPS, JMODE 1, 64b/66b encoding, 4x Interpolation, FCLK = 12 GHz, FOUT = 2997 MHz, NRZ mode, IFSSWITCH = 20.5 mA, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 1: 1 Stream with Dual DACs in parallel, JMODE 0, FDAC = 12 GSPS, FOUT = 2997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 366
IVDDCLK 1.0-V supply current for VDDCLK10 573
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2320
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 3926 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 2: Dual DACs, 1 IQ input stream per DAC, FINPUT = 3 GSPS, JMODE 2, 4x Interpolation, FDAC = 12 GSPS, FOUT = 2997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 367
IVDDCLK 1.0-V supply current for VDDCLK10 574
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 3544
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 5152 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 3: Dual DACs, 2 IQ input streams per DAC, FINPUT = 750 MSPS, JMODE 3, 16x Interpolation, FDAC = 12 GSPS, FOUT1 = 2997 MHz, FOUT2 = 3997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 370
IVDDCLK 1.0-V supply current for VDDCLK10 575
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 3943
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 5555 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 4: Dual DACs, 2 IQ input streams per DAC, FINPUT = 187.5 MSPS, JMODE 6, 64x Interpolation, FDAC = 12 GSPS, FOUT1 = 2997 MHz, FOUT2 = 3997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 112
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 370
IVDDCLK 1.0-V supply current for VDDCLK10 574
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2720
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 4224 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 5: Dual DACs, 2 IQ input streams per DAC, FINPUT = 187.5 MSPS, JMODE 5, 64x Interpolation, FDAC =12 GSPS, FOUT1 = 2997 MHz, FOUT2 = 3997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 113
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 369
IVDDCLK 1.0-V supply current for VDDCLK10 574
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2810
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 4316 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 6: Dual DACs, 2 IQ input streams per DAC, FINPUT = 1 GSPS, JMODE 3, 12 x Interpolation, FDAC =12 GSPS, FOUT1 = 2997 MHz, FOUT2 = 3997 MHz, NRZ mode (dual channel device only) 75 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 149
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 370
IVDDCLK 1.0-V supply current for VDDCLK10 575
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 4227
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 123
PDIS Total power dissipation 5800 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 7: Dual DACs, 1 IQ input stream sent to both DACs after the NCO, FINPUT = 6 GSPS, JMODE 1, 2x Interpolation, FDAC = 12 GSPS, FOUT = 2997 MHz, NRZ mode (dual channel device only) 85 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 366
IVDDCLK 1.0-V supply current for VDDCLK10 574
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 3015
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 122
PDIS Total power dissipation 4638 6000 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 8: Dual channel devices programmed as single DAC, FINPUT = 12 GSPS, JMODE 0, 2x DES Interpolation, FDAC = 24 GSPS, FOUT = 7997 MHz, DES mode 58 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 356
IVDDCLK 1.0-V supply current for VDDCLK10 573
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2461
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 70
PDIS Total power dissipation 3931 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 9: Dual channel devices programmed as single DAC, FINPUT = 24 GSPS, JMODE 14 (8-bit resolution), FDAC = 24 GSPS, FOUT = 7997 MHz, DES mode 58 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 171
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 356
IVDDCLK 1.0-V supply current for VDDCLK10 573
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2304
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 70
PDIS Total power dissipation 3774 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 10: Single channel devices (DAC39RFSxx), FINPUT = 12 GSPS, JMODE 0, 2x DES Interpolation, FDAC = 24 GSPS, FOUT = 7997 MHz, DES mode 58 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 172
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 187
IVDDCLK 1.0-V supply current for VDDCLK10 356
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 2086
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 70
PDIS Total power dissipation 3170 mW
IVDDA18 1.8-V combined supply current for VDDA18A and VDDA18B Power Mode 11: Single channel devices (DAC39RFSxx), FINPUT = 24 GSPS, JMODE 14 (8-bit resolution), FDAC = 24 GSPS, FOUT = 7997 MHz, DES mode 58 mA
IVDDIO 1.8-V supply current for VDDIO 1
IVDDCSR 1.8-V combined supply current for VDDCLK18, VDDSYS18 and VDDR18 172
IVDDL 1.0-V combined supply current for VDDLB, VDDLA 187
IVDDCLK 1.0-V supply current for VDDCLK10 356
IDVDD 1.0-V supply current for VDDDIG, VDDT, VDDEB and VDDEA 1933
IVEE –1.8-V combined supply current for VEEAM18 and VEEBM18 70
PDIS Total power dissipation 3017 mW
PDIS Total power dissipation Power Mode 12: Sleep, MODE[1:0] = 0b11. 180 mW