SBAS500B june   2022  – august 2023 ADC32RF54 , ADC32RF55

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  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 - Power Consumption
    6. 6.6  Electrical Characteristics - DC Specifications
    7. 6.7  Electrical Characteristics - ADC32RF54 AC Specifications (Dither DISABLED)
    8. 6.8  Electrical Characteristics - ADC32RF54 AC Specifications (Dither ENABLED)
    9. 6.9  Electrical Characteristics - ADC32RF55 AC Specifications (Dither DISABLED)
    10. 6.10 Electrical Characteristics - ADC32RF55 AC Specifications (Dither ENABLED)
    11. 6.11 Timing Requirements
    12. 6.12 Typical Characteristics - ADC32RF54
    13. 6.13 Typical Characteristics - ADC32RF55
  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 and Full-Scale
        2. 7.3.1.2 Input Imbalance
        3. 7.3.1.3 Overrange Indication
        4. 7.3.1.4 Analog out-of-band dither
      2. 7.3.2 Sampling Clock Input
      3. 7.3.3 SYSREF
        1. 7.3.3.1 SYSREF Capture Detection
      4. 7.3.4 ADC Foreground Calibration
        1. 7.3.4.1 Calibration Control
        2. 7.3.4.2 ADC Switch
        3. 7.3.4.3 Calibration Configuration
      5. 7.3.5 Decimation Filter
        1. 7.3.5.1 Decimation Filter Response
        2. 7.3.5.2 Decimation Filter Configuration
        3. 7.3.5.3 20-bit Output Mode
        4. 7.3.5.4 Dynamic Switching
          1. 7.3.5.4.1 2 Lane Mode
          2. 7.3.5.4.2 1 Lane Mode
        5. 7.3.5.5 Numerically Controlled Oscillator (NCO)
        6. 7.3.5.6 NCO Frequency Programming
        7. 7.3.5.7 Fast Frequency Hopping
          1. 7.3.5.7.1 Fast frequency hopping Using the GPIO1/2 pins
          2. 7.3.5.7.2 Fast frequency hopping using GPIO1/2, SEN and SDIO pins
          3. 7.3.5.7.3 Fast Frequency Hopping Using the Fast SPI
      6. 7.3.6 JESD204B Interface
        1. 7.3.6.1 JESD204B Initial Lane Alignment (ILA)
          1. 7.3.6.1.1 SYNC Signal
        2. 7.3.6.2 JESD204B Frame Assembly
        3. 7.3.6.3 JESD204B Frame Assembly in Bypass Mode
        4. 7.3.6.4 JESD204B Frame Assembly with Complex Decimation - Single Band
        5. 7.3.6.5 JESD204B Frame Assembly with Real Decimation - Single Band
        6. 7.3.6.6 JESD204B Frame Assembly with Complex Decimation - Dual Band
        7. 7.3.6.7 JESD204B Frame Assembly with Complex Decimation - Quad Band
      7. 7.3.7 SERDES Output MUX
      8. 7.3.8 Test Pattern
        1. 7.3.8.1 Transport Layer
        2. 7.3.8.2 Link Layer
        3. 7.3.8.3 Internal Capture Memory Buffer
    4. 7.4 Device Functional Modes
      1. 7.4.1 Digital Averaging
    5. 7.5 Programming
      1. 7.5.1 GPIO Pin Control
      2. 7.5.2 Configuration Using the SPI Interface
        1. 7.5.2.1 Register Write
        2. 7.5.2.2 Register Read
    6. 7.6 Register Maps
      1. 7.6.1 Detailed Register Description
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Wideband RF Sampling Receiver
        1. 8.2.1.1 Design Requirements
          1. 8.2.1.1.1 Input Signal Path
          2. 8.2.1.1.2 Clocking
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Sampling Clock
        3. 8.2.1.3 Application Curves
    3. 8.3 Initialization Set Up
      1. 8.3.1 Initial Device Configuration After Power-Up
        1. 8.3.1.1  STEP 1: RESET
        2. 8.3.1.2  STEP 2: Device Configuration
        3. 8.3.1.3  STEP 3: JESD Interface Configuration (1)
        4. 8.3.1.4  STEP 4: SYSREF Synchronization
        5. 8.3.1.5  STEP 5: JESD Interface Configuration (2)
        6. 8.3.1.6  STEP 6: Analog Trim Settings
        7. 8.3.1.7  STEP 7: Calibration Configuration
        8. 8.3.1.8  STEP 8: SYSREF Synchronization
        9. 8.3.1.9  STEP 9: Run Power up Calibration
        10. 8.3.1.10 STEP 10: JESD Interface Synchronization
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 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. 10Mechanical, Packaging, and Orderable Information

Package Options

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

6.9 Electrical Characteristics - ADC32RF55 AC Specifications (Dither DISABLED)

Maximum and minimum values are specified over the operating free-air temperature range and nominal supply voltages. Typical values are specified at TA = 25°C, ADC sampling rate = 3.0 GSPS, Bypass mode, 50% clock duty cycle, AVDD18 = 1.8 V, AVDD12, AVDDCLK, DVDD = 1.2 V, –1-dBFS differential input and dither DISABLED, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
NSD Noise Spectral Density fIN = 900 MHz, AIN = -20 dBFS
no averaging		 -155.6 dBFS/Hz
fIN = 900 MHz, AIN = -20 dBFS
2x averaging		 -158.1
fIN = 900 MHz, AIN = -20 dBFS
4x averaging		 -160.4
NF Noise Figure fIN = 900 MHz, AIN = -20 dBFS
no averaging		 20.2 dB
fIN = 900 MHz, AIN = -20 dBFS
2x averaging		 19.8
fIN = 900 MHz, AIN = -20 dBFS
4x averaging		 20.2
SNR Signal-to-noise ratio
no averaging		 fIN = 100 MHz 62.1 dBFS
fIN = 500 MHz 61.8
fIN = 900 MHz 61.7
fIN = 900 MHz, Ain = -20 dBFS 63.8
fIN = 1.8 GHz 61.1
fIN = 2.4 GHz 60.2
Signal-to-noise ratio
2x averaging		 fIN = 100 MHz 63.6
fIN = 500 MHz 63.3
fIN = 900 MHz 63.5
fIN = 900 MHz, Ain = -20 dBFS 66.3
fIN = 1.8 GHz 62.7
fIN = 2.4 GHz 62.4
Signal-to-noise ratio
4x averaging		 fIN = 100 MHz 66.7
fIN = 500 MHz 65.0
fIN = 900 MHz 65.7
fIN = 900 MHz, Ain = -20 dBFS 68.6
fIN = 1.8 GHz 64.7
fIN = 2.4 GHz 64.5
SINAD Signal to noise and distortion ratio fIN = 100 MHz 58.2 dBFS
fIN = 500 MHz 57.9
fIN = 900 MHz 55.8
fIN = 1.8 GHz 58.2
fIN = 2.4 GHz 54.8
ENOB Effective number of bits fIN = 100 MHz 10.0 Bits
fIN = 500 MHz 10.0
fIN = 900 MHz 10.0
fIN = 1.8 GHz 9.9
fIN = 2.4 GHz 9.7
THD Total Harmonic Distortion (First five harmonics) fIN = 100 MHz 61 dBc
fIN = 500 MHz 60
fIN = 900 MHz 57
fIN = 1.8 GHz 63
fIN = 2.4 GHz 57
HD2 Second Harmonic Distortion fIN = 100 MHz 61 dBc
fIN = 500 MHz 66
fIN = 900 MHz 68
fIN = 1.8 GHz 66
fIN = 2.4 GHz 57
HD3 Third Harmonic Distortion fIN = 100 MHz 66 dBc
fIN = 500 MHz 62
fIN = 900 MHz 57
fIN = 1.8 GHz 65
fIN = 2.4 GHz 64
Non HD2,3 Spur free dynamic range (excluding HD2 and HD3) fIN = 100 MHz 78 dBFS
fIN = 500 MHz 75
fIN = 900 MHz 78
fIN = 1.8 GHz 76
fIN = 2.4 GHz 75
IMD3 Two tone inter-modulation distortion f1 = 700 MHz, f2 = 800 MHz, AIN = -7 dBFS/tone 72 dBFS
f1 = 1.5 GHz, f2 = 1.6 GHz, AIN = -7 dBFS/tone 66