SBAS988 November   2023 ADC34RF55

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. 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 (Dither DISABLED)
    8. 5.8  Electrical Characteristics - AC Specifications (Dither ENABLED)
    9. 5.9  Timing Requirements
    10. 5.10 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Analog Inputs
        1. 6.3.1.1 Input Bandwidth and Full-Scale
        2. 6.3.1.2 Input Imbalance
        3. 6.3.1.3 Over Range Indication
        4. 6.3.1.4 Analog out-of-band dither
      2. 6.3.2 Sampling Clock Input
      3. 6.3.3 ADC Foreground Calibration
        1. 6.3.3.1 Calibration Control
        2. 6.3.3.2 ADC Switch
        3. 6.3.3.3 Calibration Configuration
      4. 6.3.4 SYSREF
        1. 6.3.4.1 SYSREF Capture Detection
      5. 6.3.5 Decimation Filter
        1. 6.3.5.1 Decimation Filter Response
        2. 6.3.5.2 Decimation Filter Configuration
        3. 6.3.5.3 20-bit Output Mode
        4. 6.3.5.4 Numerically Controlled Oscillator (NCO)
        5. 6.3.5.5 NCO Frequency Programming Using the SPI Interface
        6. 6.3.5.6 Fast Frequency Hopping
          1. 6.3.5.6.1 Fast frequency hopping using the GPIO1/2 pins
          2. 6.3.5.6.2 Fast frequency hopping using GPIO1/2, SEN and SDATA pins
          3. 6.3.5.6.3 Fast frequency hopping using the fast SPI
      6. 6.3.6 JESD204B Interface
        1. 6.3.6.1 JESD204B Initial Lane Alignment (ILA)
          1. 6.3.6.1.1 SYNC Signal
        2. 6.3.6.2 JESD204B Frame Assembly
          1. 6.3.6.2.1 JESD204B Frame Assembly in Bypass Mode
          2. 6.3.6.2.2 JESD204B Frame Assembly with Real Decimation - Single Band
          3. 6.3.6.2.3 JESD204B Frame Assembly with Complex Decimation - Single Band
          4. 6.3.6.2.4 JESD204B Frame Assembly with Decimation - Dual Band
        3. 6.3.6.3 SERDES Output MUX
      7. 6.3.7 Test Pattern
        1. 6.3.7.1 Transport Layer
        2. 6.3.7.2 Link Layer
        3. 6.3.7.3 Internal Capture Memory Buffer
    4. 6.4 Device Functional Modes
      1. 6.4.1 Bypass Mode
      2. 6.4.2 Digital Averaging
    5. 6.5 Programming
      1. 6.5.1 GPIO Pin Control
      2. 6.5.2 Configuration using the SPI interface
        1. 6.5.2.1 Register Write
        2. 6.5.2.2 Register Read
    6. 6.6 Register Maps
      1. 6.6.1 Detailed Register Description
  8. Application Information Disclaimer
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Wideband RF Sampling Receiver
      2. 7.2.2 Design Requirements
        1. 7.2.2.1 Input Signal Path
        2. 7.2.2.2 Clocking
      3. 7.2.3 Detailed Design Procedure
        1. 7.2.3.1 Sampling Clock
      4. 7.2.4 Application Curves
    3. 7.3 Initialization Set Up
      1. 7.3.1 Initial Device Configuration After Power-Up
        1. 7.3.1.1  STEP 1: RESET
        2. 7.3.1.2  STEP 2: Device Configuration
        3. 7.3.1.3  STEP 3: JESD Interface Configuration (1)
        4. 7.3.1.4  STEP 4: SYSREF Synchronization
        5. 7.3.1.5  STEP 5: JESD Interface Configuration (2)
        6. 7.3.1.6  STEP 6: Analog Trim Settings
        7. 7.3.1.7  STEP 7: Calibration Configuration
        8. 7.3.1.8  STEP 8: SYSREF Synchronization
        9. 7.3.1.9  STEP 9: Run Power up Calibration
        10. 7.3.1.10 Step 10: JESD Interface Synchronization
        11. 7.3.1.11 Step 11: NCO Configuration
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

STEP 7: Calibration Configuration

The following registers configure the internal foreground calibration. The register writes need to be written in the order indicated by Write #.

Table 7-11 Calibration Register Settings
WRITE #ADDRESSDATAWRITE #ADDRESSDATAWRITE #ADDRESSDATA
10x050x40630xFC0x131250x470xC7
20x680xC0640xFD0x081260x460x13
30x690xFF650x360x041270xFC0x13
40x050x20660x360x051280xFD0x00
50x460x03670x360x041290x360x04
60x470xC2680xFC0x131300x360x05
70x460x13690xFD0x0A1310x360x04
80x1AE0x00700x360x041320xFC0x13
90x1E60x1C710x360x051330xFD0x02
100x1AE0x00720x360x041340x360x04
110x1E60x1C730xFC0x131350x360x05
120x1E90x08740xFD0x0C1360x360x04
130x1E90xA8750x360x041370xFC0x13
140x1E80x02760x360x051380xFD0x04
150x1E80x06770x360x041390x360x04
160x1E80x04780xFC0x131400x360x05
170x1E80x00790xFD0x0E1410x360x04
180x1E90xA0800x360x041420xFC0x13
190x1F00x28810x360x051430xFD0x06
200x1F10x0C820x360x041440x360x04
210x1F00x2A830xFC0x031450x360x05
220x1F00x2E840x360x041460x360x04
230x1F00x2C850x460x031470xFC0x13
240x1F00x28860x470xC01480xFD0x08
250x1F00x08870x460x131490x360x04
260x1F00x18880x460x031500x360x05
270x1F00x38890x470xC71510x360x04
280x1F10x0C900x460x131520xFC0x13
290x1F00x3A910x1AE0x001530xFD0x0A
300x1F00x3E920x1E60x1C1540x360x04
310x1F00x3C930x1AE0x001550x360x05
320x1F00x38940x1E60x1C1560x360x04
330x1F00x18950x1E90xA81570xFC0x13
340x1F00x10960x1E80x021580xFD0x0C
350x1AE0x00970x1E80x061590x360x04
360x1E60x1C980x1E80x041600x360x05
370x1AE0x00990x1E80x001610x360x04
380x1E60x1C1000x1E90xA01620xFC0x13
390x470xC01010x1F00x181630xFD0x0E
400x460x031020x1F00x081640x360x04
410x470xC21030x1F00x281650x360x05
420x460x131040x1F10x0C1660x360x04
430xFC0x131050x1F00x2A1670xFC0x03
440xFD0x001060x1F00x2E1680x360x04
450x360x041070x1F00x2C1690x460x03
460x360x051080x1F00x281700x470xC0
470x360x041090x1F00x081710x460x13
480xFC0x131100x1F00x181720x050x40
490xFD0x021110x1F00x381730x680x40
500x360x041120x1F10x0C1740x690xFD
510x360x051130x1F00x3A1750x690xF5
520x360x041140x1F00x3E1760x690xD5
530xFC0x131150x1F00x3C1770x690x55
540xFD0x041160x1F00x381780x680x00
550x360x041170x1F00x181790x690x54
560x360x051180x1F00x101800x690x50
570x360x041190x1AE0x001810x690x40
580xFC0x131200x1E60x1C1820x690x00
590xFD0x061210x1AE0x001830x930x0E
600x360x041220x1E60x1C1840x940x70
610x360x051230x470xC01850x940x77
620x360x041240x460x03