SBASAL0A August   2025  – October 2025 ADC34RF72

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics - Power Consumption
    6. 5.6 Electrical Characteristics - DC Specifications
    7. 5.7 Electrical Characteristics - AC Specifications
    8. 5.8 Timing Requirements
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Inputs
        1. 7.3.1.1 Input Bandwidth
        2. 7.3.1.2 Background Calibration
      2. 7.3.2 Sampling Clock Input
      3. 7.3.3 SYSREF
        1. 7.3.3.1 SYSREF Monitor
      4. 7.3.4 ADC Power Down Modes
      5. 7.3.5 Digital Signal Processor (DSP) Features
        1. 7.3.5.1 DSP Input Mux
        2. 7.3.5.2 Fractional Delay
        3. 7.3.5.3 Programmable FIR Filter for Equalization
        4. 7.3.5.4 DSP Output Mux
        5. 7.3.5.5 Digital Down Converter (DDC)
          1. 7.3.5.5.1 Decimation Filter Input
          2. 7.3.5.5.2 Decimation Modes
          3. 7.3.5.5.3 Decimation Filter Response
          4. 7.3.5.5.4 Numerically Controlled Oscillator (NCO)
            1. 7.3.5.5.4.1 NCO Update
            2. 7.3.5.5.4.2 NCO RESET
      6. 7.3.6 Digital Output Interface
        1. 7.3.6.1 JESD204B/C Interface
          1. 7.3.6.1.1 JESD204B Initial Lane Alignment (ILA)
          2. 7.3.6.1.2 SYNC Signal
          3. 7.3.6.1.3 JESD204B/C Frame Assembly
          4. 7.3.6.1.4 JESD204B/C Frame Assembly in Bypass Mode
          5. 7.3.6.1.5 JESD204B/C Frame Assembly with Real Decimation
          6. 7.3.6.1.6 JESD204B,C Frame Assembly with Complex Decimation
        2. 7.3.6.2 JESD Output Reference Clock
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Operating Mode Comparison
    5. 7.5 Programming
      1. 7.5.1 GPIO Control
      2. 7.5.2 SPI Register Write
      3. 7.5.3 SPI Register Read
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application: Spectrum Analyzer
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Input Signal Path: Wideband Receiver
        2. 8.2.1.2 Clocking
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Sampling Clock Requirements
      3. 8.2.3 Application Performance Plots
    3. 8.3 Typical Application: Time Domain Digitizer
      1. 8.3.1 Design Requirements
        1. 8.3.1.1 Input Signal Path: Time Domain Digitizer
      2. 8.3.2 Application Performance Plots
    4. 8.4 Initialization Set Up
    5. 8.5 Power Supply Recommendations
    6. 8.6 Layout
      1. 8.6.1 Layout Guidelines
      2. 8.6.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
      2. 9.1.2 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.9 Typical Characteristics

Typical values are at TA = 25°C, ADC sampling rate = 1.5GSPS, 50% clock duty cycle, nominal supplies and –1dBFS differential input, 100Ω termination, unless otherwise noted

ADC34RF72 Single Tone FFT at FIN = 100MHz
SNRflat = 74.6dBFS
Figure 5-1 Single Tone FFT at FIN = 100MHz
ADC34RF72 Single Tone FFT at FIN = 900MHz
SNRflat = 71.5dBFS
Figure 5-3 Single Tone FFT at FIN = 900MHz
ADC34RF72 Single Tone FFT at FIN = 1400MHz
SNRflat = 67.8dBFS
Figure 5-5 Single Tone FFT at FIN = 1400MHz
ADC34RF72 Two Tone FFT at FIN = 100/200MHz
AIN = -20dBFS/tone
Figure 5-7 Two Tone FFT at FIN = 100/200MHz
ADC34RF72 Two Tone FFT at FIN = 900/1000MHz
AIN = -20dBFS/tone
Figure 5-9 Two Tone FFT at FIN = 900/1000MHz
ADC34RF72 NSD Performance vs FIN
Termination = 50ohm
Figure 5-11 NSD Performance vs FIN
ADC34RF72 AC Performance vs AIN
FIN = 900MHz
Figure 5-13 AC Performance vs AIN
ADC34RF72 AC Performance vs FS
FIN = 100MHz
Figure 5-15 AC Performance vs FS
ADC34RF72 AC Performance vs Clock Duty Cycle
Figure 5-17 AC Performance vs Clock Duty Cycle
ADC34RF72 AC Performance vs AVDD18 Supply
Figure 5-19 AC Performance vs AVDD18 Supply
ADC34RF72 INL vs Code
FIN = 100MHz
Figure 5-21 INL vs Code
ADC34RF72 Idle Channel Histogram
Figure 5-23 Idle Channel Histogram
ADC34RF72 Channel Isolation
Figure 5-25 Channel Isolation
ADC34RF72 DVDD09 current vs Decimation
Quad band, LMFS = 8821
Figure 5-27 DVDD09 current vs Decimation
ADC34RF72 DVDD09 current vs Decimation
Quad band, LMFS = 2881
Figure 5-29 DVDD09 current vs Decimation
ADC34RF72 DVDD09 current vs Decimation
Octal band, LMFS = 81641
Figure 5-31 DVDD09 current vs Decimation
ADC34RF72 DVDD09 current vs Decimation
Octal band, LMFS = 216161
Figure 5-33 DVDD09 current vs Decimation
ADC34RF72 Single Tone FFT at FIN = 300MHz
SNRflat = 73.7dBFS
Figure 5-2 Single Tone FFT at FIN = 300MHz
ADC34RF72 Single Tone FFT at FIN = 900MHz
SNRflat = 74.6dBFS, AIN = -20dBFS
Figure 5-4 Single Tone FFT at FIN = 900MHz
ADC34RF72 Two Tone FFT at FIN = 100/200MHz
AIN = -7dBFS/tone
Figure 5-6 Two Tone FFT at FIN = 100/200MHz
ADC34RF72 Two Tone FFT at FIN = 900/1000MHz
AIN = -7dBFS/tone
Figure 5-8 Two Tone FFT at FIN = 900/1000MHz
ADC34RF72 AC Performance vs FIN
Figure 5-10 AC Performance vs FIN
ADC34RF72 AC Performance vs AIN
FIN = 100MHz
Figure 5-12 AC Performance vs AIN
ADC34RF72 IMD3 Performance vs AIN
Figure 5-14 IMD3 Performance vs AIN
ADC34RF72 AC Performance vs Clock Amplitude
Figure 5-16 AC Performance vs Clock Amplitude
ADC34RF72 AC Performance vs AVDD12 Supply
Figure 5-18 AC Performance vs AVDD12 Supply
ADC34RF72 AC Performance vs Temperature
Figure 5-20 AC Performance vs Temperature
ADC34RF72 DNL vs Code
FIN = 100MHz
Figure 5-22 DNL vs Code
ADC34RF72 CMRR
Figure 5-24 CMRR
ADC34RF72 Currents vs Sampling Rate
LMFS = 8411
Figure 5-26 Currents vs Sampling Rate
ADC34RF72 DVDD09 current vs Decimation
Quad band, LMFS = 4841
Figure 5-28 DVDD09 current vs Decimation
ADC34RF72 DVDD09 current vs Decimation
Quad band, LMFS = 18161
Figure 5-30 DVDD09 current vs Decimation
ADC34RF72 DVDD09 current vs Decimation
Octal band, LMFS = 41681
Figure 5-32 DVDD09 current vs Decimation