SLASEA3D December   2016  – December 2023 DAC38RF80 , DAC38RF83 , DAC38RF84 , DAC38RF85 , DAC38RF90 , DAC38RF93

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 - Digital Specifications
    7. 6.7  Electrical Characteristics - AC Specifications
    8. 6.8  PLL/VCO Electrical Characteristics
    9. 6.9  Timing Requirements
    10. 6.10 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1  SerDes Inputs
      2. 7.3.2  SerDes Rate
      3. 7.3.3  SerDes PLL
      4. 7.3.4  SerDes Equalizer
      5. 7.3.5  JESD204B Descrambler
      6. 7.3.6  JESD204B Frame Assembly
      7. 7.3.7  SYNC Interface
      8. 7.3.8  Single or Dual Link Configuration
      9. 7.3.9  Multi-Device Synchronization
      10. 7.3.10 SYSREF Capture Circuit
      11. 7.3.11 SerDes Test Modes through Serial Programming
      12. 7.3.12 SerDes Test Modes through IEEE 1500 Programming
      13. 7.3.13 Error Counter
      14. 7.3.14 Eye Scan
      15. 7.3.15 JESD204B Pattern Test
      16. 7.3.16 Multiband DUC (multi-DUC)
        1. 7.3.16.1 Multi-DUC input
        2. 7.3.16.2 Interpolation Filters
        3. 7.3.16.3 JESD204B Modes, Interpolation and Clock phase Programming
        4. 7.3.16.4 Digital Quadrature Modulator
        5. 7.3.16.5 Low Power Coarse Resolution Mixing Modes
        6. 7.3.16.6 Inverse Sinc Filter
        7. 7.3.16.7 Summation Block for Dual DUC Modes
      17. 7.3.17 PA Protection Block
      18. 7.3.18 Gain Block
      19. 7.3.19 Output Summation
      20. 7.3.20 Output Delay
      21. 7.3.21 Polarity Inversion
      22. 7.3.22 Temperature Sensor
      23. 7.3.23 Alarm Monitoring
      24. 7.3.24 Differential Clock Inputs
      25. 7.3.25 CMOS Digital Inputs
      26. 7.3.26 DAC Fullscale Output Current
      27. 7.3.27 Current Steering DAC Architecture
      28. 7.3.28 DAC Transfer Function for DAC38RF83, 93, 85
      29. 7.3.29 DAC Transfer Function for DAC38RF80/90/84
    4. 7.4 Device Functional Modes
      1. 7.4.1 Clocking Modes
      2. 7.4.2 PLL Bypass Mode Programming
      3. 7.4.3 Internal PLL/VCO
      4. 7.4.4 CLKOUT
      5. 7.4.5 Serial Peripheral Interface (SPI)
        1. 7.4.5.1 NORMAL (RW)
        2. 7.4.5.2 WRITE_TO_CLEAR (W0C)
        3. 7.4.5.3 Writing to Reserved Bits
    5. 7.5 Register Maps
      1. 7.5.1  Chip Reset and Configuration Register (address = 0x00) [reset = 0x5803]
      2. 7.5.2  IO Configuration Register (address = 0x01) [reset = 0x1800]
      3. 7.5.3  Lane Single Detect Alarm Mask Register (address = 0x02) [reset = 0xFFFF]
      4. 7.5.4  Clock Alarms Mask Register (address = 0x03) [reset = 0xFFFF
      5. 7.5.5  SERDES Loss of Signal Detection Alarms Register (address = 0x04) [reset = 0x0000]
      6. 7.5.6  SYSREF Alignment Circuit Alarms Register (address = 0x05) [reset = variable]
      7. 7.5.7  Temperature Sensor and PLL Loop Voltage Register (address = 0x06) [reset = variable]
      8. 7.5.8  Page Set Register (address = 0x09) [reset = 0x0000]
      9. 7.5.9  SYSREF Align to r1 and r3 Count Register (address = 0x78) [reset = 0x0000]
      10. 7.5.10 SYSREF Phase Count 1 and 2 Register (address = 0x79) [reset = 0x0000]
      11. 7.5.11 SYSREF Phase Count 3 and 4 Register (address = 0x7A) [reset = 0x0000]
      12. 7.5.12 Vendor ID and Chip Version Register (address = 0x7F) [reset = 0x0009]
      13. 7.5.13 Multi-DUC Configuration (PAP, Interpolation) Register (address = 0x0A) [reset = 0x02B0]
      14. 7.5.14 Multi-DUC Configuration (Mixers) Register (address = 0x0C) [reset = 0x2402]
      15. 7.5.15 JESD FIFO Control Register (address = 0x0D)[reset = 0x8000]
      16. 7.5.16 Alarm Mask 1 Register (address = 0x0E) [reset = 0x00FF]
      17. 7.5.17 Alarm Mask 2 Register (address = 0x0F) [reset = 0xFFFF]
      18. 7.5.18 Alarm Mask 3 Register (address = 0x10) [reset = 0xFFFF]
      19. 7.5.19 Alarm Mask 4 Register (address = 0x11) [reset = 0xFFFF]
      20. 7.5.20 JESD Lane Skew Register (address = 0x12) [reset = 0x0000]
      21. 7.5.21 CMIX Configuration Register (address = 0x17) [reset = 0x0000]
      22. 7.5.22 Output Summation and Delay Register (address = 0x19) [reset = 0x0000]
      23. 7.5.23 NCO Phase Path AB Register (address = 0x1C) [reset = 0x0000]
      24. 7.5.24 NCO Phase Path CD Register (address = 0x1D) [reset = 0x0000]
      25. 7.5.25 NCO Frequency Path AB Register (address = 0x1E-0x20) [reset = 0x0000 0000 0000]
      26. 7.5.26 NCO Frequency Path CD Register (address = 0x21-0x23) [reset = 0x0000 0000 0000]
      27. 7.5.27 SYSREF Use for Clock Divider Register (address = 0x24) [reset = 0x0010]
      28. 7.5.28 Serdes Clock Control Register (address = 0x25) [reset = 0x7700]
      29. 7.5.29 Sync Source Control 1 Register (address = 0x27) [reset = 0x1144]
      30. 7.5.30 Sync Source Control 2 Register (address = 0x28) [reset = 0x0000]
      31. 7.5.31 PAP path AB Gain Attenuation Step Register (address = 0x29) [reset = 0x0000]
      32. 7.5.32 PAP path AB Wait Time Register (address = 0x2A) [reset = 0x0000]
      33. 7.5.33 PAP path CD Gain Attenuation Step Register (address = 0x2B) [reset = 0x0000]
      34. 7.5.34 PAP Path CD Wait Time Register (address = 0x2C) [reset = 0x0000]
      35. 7.5.35 PAP path AB Configuration Register (address = 0x2D) [reset = 0x0FFF]
      36. 7.5.36 PAP path CD Configuration Register (address = 0x2E) [reset = 0x0FFF]
      37. 7.5.37 DAC SPI Configuration Register (address = 0x2F) [reset = 0x0000]
      38. 7.5.38 DAC SPI Constant Register (address = 0x30) [reset = 0x0000]
      39. 7.5.39 Gain for path AB Register (address = 0x32) [reset = 0x0400]
      40. 7.5.40 Gain for path CD Register (address = 0x33) [reset = 0x0400]
      41. 7.5.41 JESD Error Counter Register (address = 0x41) [reset = 0x0000]
      42. 7.5.42 JESD ID 1 Register (address = 0x46) [reset = 0x0044]
      43. 7.5.43 JESD ID 2 Register (address = 0x47) [reset = 0x190A]
      44. 7.5.44 JESD ID 3 and Subclass Register (address = 0x48) [reset = 0x31C3]
      45. 7.5.45 JESD Lane Enable Register (address = 0x4A) [reset = 0x0003]
      46. 7.5.46 JESD RBD Buffer and Frame Octets Register (address = 0x4B) [reset = 0x1300]
      47. 7.5.47 JESD K and L Parameters Register (address = 0x4C) [reset = 0x1303]
      48. 7.5.48 JESD M and S Parameters Register (address = 0x4D) [reset = 0x0100]
      49. 7.5.49 JESD N, HD and SCR Parameters Register (address = 0x4E) [reset = 0x0F4F]
      50. 7.5.50 JESD Character Match and Other Register (address = 0x4F) [reset = 0x1CC1]
      51. 7.5.51 JESD Link Configuration Data Register (address = 0x50) [reset = 0x0000]
      52. 7.5.52 JESD Sync Request Register (address = 0x51) [reset = 0x00FF]
      53. 7.5.53 JESD Error Output Register (address = 0x52) [reset = 0x00FF]
      54. 7.5.54 JESD ILA Check 1 Register (address = 0x53) [reset = 0x0100]
      55. 7.5.55 JESD ILA Check 2 Register (address = 0x54) [reset = 0x8E60]
      56. 7.5.56 JESD SYSREF Mode Register (address = 0x5C) [reset = 0x0001]
      57. 7.5.57 JESD Crossbar Configuration 1 Register (address = 0x5F) [reset = 0x0123]
      58. 7.5.58 JESD Crossbar Configuration 2 Register (address = 0x60) [reset = 0x4567]
      59. 7.5.59 JESD Alarms for Lane 0 Register (address = 0x64) [reset = 0x0000]
      60. 7.5.60 JESD Alarms for Lane 1 Register (address = 0x65) [reset = 0x0000]
      61. 7.5.61 JESD Alarms for Lane 2 Register (address = 0x66) [reset = 0x0000]
      62. 7.5.62 JESD Alarms for Lane 3 Register (address = 0x67) [reset = 0x0000]
      63. 7.5.63 JESD Alarms for Lane 4 Register (address = 0x68) [reset = 0x0000]
      64. 7.5.64 JESD Alarms for Lane 5 Register (address = 0x69) [reset = 0x0000]
      65. 7.5.65 JESD Alarms for Lane 6 Register (address = 0x6A [reset = 0x0000]
      66. 7.5.66 JESD Alarms for Lane 7 Register (address = 0x6B) [reset = 0x0000]
      67. 7.5.67 SYSREF and PAP Alarms Register (address = 0x6C) [reset = 0x0000]
      68. 7.5.68 Clock Divider Alarms 1 Register (address = 0x6D) [reset = 0x0000]
      69. 7.5.69 Clock Configuration Register (address = 0x0A) [reset = 0xFC03]
      70. 7.5.70 Sleep Configuration Register (address = 0x0B) [reset = 0x0022]
      71. 7.5.71 Divided Output Clock Configuration Register (address = 0x0C) [reset = 0x2002]
      72. 7.5.72 DAC Fullscale Current Register (address = 0x0D) [reset = 0xF000]
      73. 7.5.73 Internal SYSREF Generator Register (address = 0x10) [reset = 0x0000]
      74. 7.5.74 Counter for Internal SYSREF Generator Register (address = 0x11) [reset = 0x0000]
      75. 7.5.75 SPI SYSREF for Internal SYSREF Generator Register (address = 0x12) [reset = 0x0000]
      76. 7.5.76 Digital Test Signals Register (address = 0x1B) [reset = 0x0000]
      77. 7.5.77 Sleep Pin Control Register (address = 0x23) [reset = 0xFFFF]
      78. 7.5.78 SYSREF Capture Circuit Control Register (address = 0x24) [reset = 0x1000]
      79. 7.5.79 Clock Input and PLL Configuration Register (address = 0x31) [reset = 0x0200]
      80. 7.5.80 PLL Configuration 1 Register (address = 0x32) [reset = 0x0308]
      81. 7.5.81 PLL Configuration 2 Register (address = 0x33) [reset = 0x4018]
      82. 7.5.82 LVDS Output Configuration Register (address = 0x34) [reset = 0x0000]
      83. 7.5.83 Fuse Farm clock divider Register (address = 0x35) [reset = 0x0018]
      84. 7.5.84 Serdes Clock Configuration Register (address = 0x3B) [reset = 0x1802]
      85. 7.5.85 Serdes PLL Configuration Register (address = 0x3C) [reset = 0x8228]
      86. 7.5.86 Serdes Configuration 1 Register (address = 0x3D) [reset = 0x0x0088]
      87. 7.5.87 Serdes Configuration 2 Register (address = 0x3E) [reset = 0x0x0909]
      88. 7.5.88 Serdes Polarity Control Register (address = 0x3F) [reset = 0x0000]
      89. 7.5.89 JESD204B SYNCB OUTPUT Register (address = 0x76) [reset = 0x0000]
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Start-up Sequence
    2. 8.2 Typical Application: Multi-band Radio Frequency Transmitter
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Calculating the JESD204B SerDes Rate
        2. 8.2.2.2 Calculating valid JESD204B SYSREF Frequency
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Supply Sequencing
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout 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

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • AAV|144
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics - DC Specifications

Typical values at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, nominal supplies, unless otherwise noted.
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
DC ACCURACY
Resolution14bits
DNL Differential nonlinearity(DAC38RF83/93/85) only±3LSB
INL Integral nonlinearity(DAC38RF83/93/85) only±4LSB
ANALOG OUTPUT
Gain Error(DAC38RF83/93/85) only±2%FSR
Full scale output signal current103040mA
P(OUTFS)Full scale output power2:1 transformer coupled into 50 Ω- load. Transformer (TCM2-452X-2+) loss not de-embedded
2.1 GHz output frequency
(DAC38RF83/93/85) only		3dBm
P(OUTFS)Full scale output power50-Ω load
2.1 GHz output frequency
(DAC38RF80/90/84) only		0dBm
Output Compliance Range1.32.3V
Output capacitanceSingle ended to ground.
(DAC38RF83/93/85) only		1.5pF
Output resistanceMeasured differentially
(DAC38RF83/93/85) only		100Ω
REFERENCE OUTPUT: EXTIO
VREFReference output voltage0.9V
Reference output current100nA
Reference voltage drift±8ppm/°C
POWER SUPPLY CURRENT AND CONSUMPTION
1 V Digital supplies: VDDDIG1MODE 1: 2 TX, 1IQ/slice, LMFS = 8411, PLL on, 12x Interpolation, fINPUT = 737.28 MSPS, fDAC = 8847.36 MSPS, NCO’s = 2.14 GHz, CLKTX Disabled14782290mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE115101758mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18281290mA
-1.8 V Supply: VEE18N159180mA
PDISPower Dissipation37794894mW
1 V Digital supplies: VDDDIG1MODE 2: 1 TX, 1IQ/slice, LMFS = 4211, PLL on, 12x Interpolation, fINPUT = 737.28 MSPS, fDAC = 8847.36 MSPS, NCO = 2.14 GHz, CLKTX Disabled1110mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11303mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18257mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation3162mW
1V Digital supplies: VDDDIG1MODE 3: 2 TX, 2 IQ/slice, LMFS = 8821, PLL on, 24x Interpolation, fINPUT = 368.64 MSPS, fDAC = 8847.36 MSPS, NCO1 = 1.84 GHz, NCO2 = 2.15 GHz, CLKTX Disabled2253mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11522mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18280mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation4565mW
1 V Digital supplies: VDDDIG1MODE 4: 1 TX, 2 IQ/slice, LMFS = 4421, PLL on, 24x Interpolation, fINPUT = 368.64 MSPS, fDAC = 8847.36 MSPS, NCO1 = 1.84 GHz, NCO2 = 2.15 GHz, CLKTX Disabled1701mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11314mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18256mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation3763mW
1 V Digital supplies: VDDDIG1MODE 5: 2 TX, 1 IQ/slice, LMFS = 4421, PLL on, 18x Interpolation, fINPUT = 491.52 MSPS, fDAC = 8847.36 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled1328mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11312mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18249mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation3374mW
1 V Digital supplies: VDDDIG1MODE 6: 1 TX, 1 IQ/slice, LMFS = 2221, PLL on, 18x Interpolation, fINPUT = 491.52 MSPS, fDAC = 8847.36 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled1027mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11206mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18248mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation2964mW
1 V Digital supplies: VDDDIG1MODE 7: 2 TX, 1 IQ/slice, LMFS = 8411, PLL on, 6x Interpolation, fINPUT = 983.04 MSPS, fDAC = 5898.24 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled1157mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11125mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18246mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation3011mW
1 V Digital supplies: VDDDIG1MODE 8: 1 TX, 1 IQ/slice, LMFS = 4211, PLL on, 6x Interpolation, fINPUT = 983.04 MSPS, fDAC = 5898.24 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled848mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE1647mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18230mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation2195mW
1 V Digital supplies: VDDDIG1MODE 9: 2 TX, 2 IQ/slice, LMFS = 4831, PLL on, 24x Interpolation, fINPUT = 368.64 MSPS, fDAC = 8847.36 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled2131mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11324mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18251mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation4192mW
1 V Digital supplies: VDDDIG1MODE 10: 1 TX, 2 IQ/slice, LMFS = 2431, PLL on, 24x Interpolation, fINPUT = 368.64 MSPS, fDAC = 8847.36 MSPS, NCO1 = 2.14 GHz, CLKTX Disabled1635mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE11212mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX18250mA
-1.8 V Supply: VEE18N159mA
PDISPower Dissipation3583mW
1 V Digital supplies: VDDDIG1MODE 11: Power down mode, no clock, DACs in sleep, SerDes in sleep63568mA
1 V Analog supplies: VDDA1 VDDACLK1 VDDTX1 VDDAPLL1 VDDT1 VDDE118105mA
1.8 V Supplies: VDDA18 VDDOUT18 VDDAVCO18 VDDAPLL18 VDDR18 VDDIO18 VDDS18 VDDTX184751mA
-1.8 V Supply: VEE18N2328mA
PDISPower Dissipation208815mW
VDDTX1fDAC = 8847 MSPS, Clock Out Divider Enabled25mA
fDAC = 5898 MSPS, Clock Out Divider Enabled19mA
VDDTX18Clock Out Enabled16mA