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 9: Run Power up Calibration

The following registers start the power up foreground calibration. The register writes need to be written in the order indicated by Write #.

Table 7-13 Calibration Register Settings
WRITE #ADDRESSDATAWRITE #ADDRESSDATAWRITE #ADDRESSDATA
10x050x20620xC90x061230xAA0x80
20xE70x01630x380x011240xAC0x80
30x1740x02640x1100x101250xAD0x80
40x1780x00650x1110x421260xAD0x90
50x17C0x22660x1120xA61270xAD0xA0
60x3C0x00670x1120xD61280xAD0xB0
70xFC0x03680x1130xBB1290xAD0xC0
80xFD0x00690x1130xDB1300xAD0xD0
90x1540x1C700x1140xF41310xAD0xE0
100x1550x03710x1140x641320xA00x00
110xFC0x03720x1150x0E1330xA20x00
120xEE0x26730x1150xFE1340xA40x00
130xEF0x02740x1160x0D1350xA60x00
140x18C0x88750x1160xDD1360xA80x00
150xAE0xC8760x1170x0D1370xAA0x00
160xAF0x00770x1170xDD1380xAC0x00
170xB00x4C780x460x031390xAD0x00
180xB10x3F790x3D0x001400x9D0x45
190x4F0x46800x450x0A1410x9D0x05
200x500x2C810x460x021420x200x00
210x510x05820x640x4A1430x040x00
220x1540x7C830x650x051440x050x20
230x1580x7C840x680x281450xFE0x00
240x1590x6F850x690x5E1460xFF0x00
250x15C0x7C860x6A0x3D1470x890x00
260x15D0x3F870x6B0x8F1480x950x00
270x1600x7C880x6C0x441490x960x00
280x1610x3F890x570xDA1500x970x00
290x1640x7C900x570x9A1510x9C0x00
300x1650x4F910x570x1A1520x570x1A
310x16C0x7C920x580x3E1530x570x3A
320x1B00x1C930x580x3C1540x570x7A
330x1B10x5F940x580x381550x570xFA
340x1D80x1C950x580x301560x580x01
350x1D90xAF960x580x201570x580x03
360xB20x1F970x580x001580x580x07
370xB50x7F980x890x201590x580x0F
380x1650xFF990x950x001600x580x1F
390x380x011000x960x001610x580x3F
400xA40x301010x970x101620x450x8A
410xC50x7F1020x9C0x001630x450x0A
420xA80x001030x570x1E164Delay 1.3 x 3 GSPS/ FS seconds
430xA20x631040xFE0x201650x470xC0
440xA30x001050xFF0x191660x460x03
450xAD0x021060x460x021670x470xC0
460x050x801070x450x8A1680x050x80
470x200x1F1080x450x0A1690x200x1F
480x930x20109Delay 1.3 x 3 GSPS/ FS seconds1700x9D0x05
490x200x001100x050x801710x9E0x08
500x050x001110x040x011720x8B0x40
510x040x011120x200x1F1730x200x00
520x200x1F1130x820x001740x050x00
530x930x201140x9D0x051750x040x01
540x040x011150x9E0x081760x200x1F
550x200x001160x9D0x451770x9D0x05
560x040x001170x9D0x051780x9E0x08
570x050x201180xA00x801790x8B0x40
580xC00x7C1190xA20x801800x200x00
590xBC0x3C1200xA40x801810x040x00
600xC90x011210xA60x80
610xC90x001220xA80x80