SBAS860 August   2017 ADC31RF80

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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
    6. 6.6  AC Performance Characteristics: fS = 2949.12 MSPS
    7. 6.7  AC Performance Characteristics: fS = 2457.6 MSPS (Performance Optimized for F + A + D Band)
    8. 6.8  AC Performance Characteristics: fS = 2457.6 MSPS (Performance Optimized for F + A Band)
    9. 6.9  Digital Requirements
    10. 6.10 Timing Requirements
    11. 6.11 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Input Clock Diagram
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Analog Inputs
        1. 8.3.1.1 Input Clamp Circuit
      2. 8.3.2  Clock Input
      3. 8.3.3  SYSREF Input
        1. 8.3.3.1 Using SYSREF
        2. 8.3.3.2 Frequency of the SYSREF Signal
      4. 8.3.4  DDC Block
        1. 8.3.4.1 Operating Mode: Receiver
        2. 8.3.4.2 Operating Mode: Wide-Bandwidth Observation Receiver
        3. 8.3.4.3 Decimation Filters
          1. 8.3.4.3.1  Divide-by-4
          2. 8.3.4.3.2  Divide-by-6
          3. 8.3.4.3.3  Divide-by-8
          4. 8.3.4.3.4  Divide-by-9
          5. 8.3.4.3.5  Divide-by-10
          6. 8.3.4.3.6  Divide-by-12
          7. 8.3.4.3.7  Divide-by-16
          8. 8.3.4.3.8  Divide-by-18
          9. 8.3.4.3.9  Divide-by-20
          10. 8.3.4.3.10 Divide-by-24
          11. 8.3.4.3.11 Divide-by-32
          12. 8.3.4.3.12 Latency With Decimation Options
        4. 8.3.4.4 Numerically-Controlled Oscillators (NCOs) and Mixers
      5. 8.3.5  NCO Switching
      6. 8.3.6  SerDes Transmitter Interface
      7. 8.3.7  Eye Diagrams
      8. 8.3.8  Alarm Outputs: Power Detectors for AGC Support
        1. 8.3.8.1 Absolute Peak Power Detector
        2. 8.3.8.2 Crossing Detector
        3. 8.3.8.3 RMS Power Detector
        4. 8.3.8.4 GPIO AGC MUX
      9. 8.3.9  Power-Down Mode
      10. 8.3.10 ADC Test Pattern
        1. 8.3.10.1 Digital Block
        2. 8.3.10.2 Transport Layer
        3. 8.3.10.3 Link Layer
    4. 8.4 Device Functional Modes
      1. 8.4.1 Device Configuration
      2. 8.4.2 JESD204B Interface
        1. 8.4.2.1 JESD204B Initial Lane Alignment (ILA)
        2. 8.4.2.2 JESD204B Frame Assembly
        3. 8.4.2.3 JESD204B Frame Assembly with Decimation (Single-Band DDC): Complex Output
        4. 8.4.2.4 JESD204B Frame Assembly with Decimation (Single-Band DDC): Real Output
        5. 8.4.2.5 JESD204B Frame Assembly with Decimation (Single-Band DDC): Real Output
        6. 8.4.2.6 JESD204B Frame Assembly with Decimation (Dual-Band DDC): Complex Output
        7. 8.4.2.7 JESD204B Frame Assembly with Decimation (Dual-Band DDC): Real Output
      3. 8.4.3 Serial Interface
        1. 8.4.3.1 Serial Register Write: Analog Bank
        2. 8.4.3.2 Serial Register Readout: Analog Bank
        3. 8.4.3.3 Serial Register Write: Digital Bank
        4. 8.4.3.4 Serial Register Readout: Digital Bank
        5. 8.4.3.5 Serial Register Write: Decimation Filter and Power Detector Pages
    5. 8.5 Register Maps
      1. 8.5.1  Example Register Writes
      2. 8.5.2  Register Descriptions
        1. 8.5.2.1 General Registers
          1. 8.5.2.1.1 Register 000h (address = 000h), General Registers
          2. 8.5.2.1.2 Register 002h (address = 002h), General Registers
          3. 8.5.2.1.3 Register 003h (address = 003h), General Registers
          4. 8.5.2.1.4 Register 004h (address = 004h), General Registers
          5. 8.5.2.1.5 Register 010h (address = 010h), General Registers
          6. 8.5.2.1.6 Register 011h (address = 011h), General Registers
          7. 8.5.2.1.7 Register 012h (address = 012h), General Registers
      3. 8.5.3  Master Page (M = 0)
        1. 8.5.3.1 Register 020h (address = 020h), Master Page
        2. 8.5.3.2 Register 032h (address = 032h), Master Page
        3. 8.5.3.3 Register 039h (address = 039h), Master Page
        4. 8.5.3.4 Register 03Ch (address = 03Ch), Master Page
        5. 8.5.3.5 Register 05Ah (address = 05Ah), Master Page
        6. 8.5.3.6 Register 03Dh (address = 3Dh), Master Page
        7. 8.5.3.7 Register 057h (address = 057h), Master Page
        8. 8.5.3.8 Register 058h (address = 058h), Master Page
      4. 8.5.4  ADC Page (FFh, M = 0)
        1. 8.5.4.1 Register 03Fh (address = 03Fh), ADC Page
        2. 8.5.4.2 Register 042h (address = 042h), ADC Page
      5. 8.5.5  Digital Function Page (610000h, M = 1)
        1. 8.5.5.1 Register A6h (address = 0A6h), Digital Function Page
      6. 8.5.6  Offset Corr Page (610000h, M = 1)
        1. 8.5.6.1 Register 034h (address = 034h), Offset Corr Page
        2. 8.5.6.2 Register 068h (address = 068h), Offset Corr Page
      7. 8.5.7  Digital Gain Page (610005h, M = 1)
        1. 8.5.7.1 Register 0A6h (address = 0A6h), Digital Gain Page
      8. 8.5.8  Main Digital Page (680000h, M = 1)
        1. 8.5.8.1  Register 000h (address = 000h), Main Digital Page
        2. 8.5.8.2  Register 0A2h (address = 0A2h), Main Digital Page
        3. 8.5.8.3  Register 0A5h (address = 0A5h), Main Digital Page
        4. 8.5.8.4  Register 0A9h (address = 0A9h), Main Digital Page
        5. 8.5.8.5  Register 0B0h (address = 0B0h), Main Digital Page
        6. 8.5.8.6  Register 0B1h (address = 0B1h), Main Digital Page
        7. 8.5.8.7  Register 0B2h (address = 0B2h), Main Digital Page
        8. 8.5.8.8  Register 0B3h (address = 0B3h), Main Digital Page
        9. 8.5.8.9  Register 0B4h (address = 0B4h), Main Digital Page
        10. 8.5.8.10 Register 0B5h (address = 0B5h), Main Digital Page
        11. 8.5.8.11 Register 0B6h (address = 0B6h), Main Digital Page
        12. 8.5.8.12 Register 0B7h (address = 0B7h), Main Digital Page
        13. 8.5.8.13 Register 0B8h (address = 0B8h), Main Digital Page
        14. 8.5.8.14 Register 0B9h (address = 0B9h), Main Digital Page
        15. 8.5.8.15 Register 0BAh (address = 0BAh), Main Digital Page
        16. 8.5.8.16 Register 0BBh (address = 0BBh), Main Digital Page
      9. 8.5.9  JESD Digital Page (6900h, M = 1)
        1. 8.5.9.1  Register 001h (address = 001h), JESD Digital Page
        2. 8.5.9.2  Register 002h (address = 002h ), JESD Digital Page
        3. 8.5.9.3  Register 003h (address = 003h), JESD Digital Page
        4. 8.5.9.4  Register 004h (address = 004h), JESD Digital Page
        5. 8.5.9.5  Register 006h (address = 006h), JESD Digital Page
        6. 8.5.9.6  Register 007h (address = 007h), JESD Digital Page
        7. 8.5.9.7  Register 016h (address = 016h), JESD Digital Page
        8. 8.5.9.8  Register 017h (address = 017h), JESD Digital Page
        9. 8.5.9.9  Register 032h-035h (address = 032h-035h), JESD Digital Page
        10. 8.5.9.10 Register 036h (address = 036h), JESD Digital Page
        11. 8.5.9.11 Register 037h (address = 037h), JESD Digital Page
        12. 8.5.9.12 Register 03Ch (address = 03Ch), JESD Digital Page
        13. 8.5.9.13 Register 03Eh (address = 03Eh), JESD Digital Page
      10. 8.5.10 Decimation Filter Page
        1. 8.5.10.1  Register 000h (address = 000h), Decimation Filter Page
        2. 8.5.10.2  Register 001h (address = 001h), Decimation Filter Page
        3. 8.5.10.3  Register 002h (address = 2h), Decimation Filter Page
        4. 8.5.10.4  Register 005h (address = 005h), Decimation Filter Page
        5. 8.5.10.5  Register 007h (address = 007h), Decimation Filter Page
        6. 8.5.10.6  Register 008h (address = 008h), Decimation Filter Page
        7. 8.5.10.7  Register 009h (address = 009h), Decimation Filter Page
        8. 8.5.10.8  Register 00Ah (address = 00Ah), Decimation Filter Page
        9. 8.5.10.9  Register 00Bh (address = 00Bh), Decimation Filter Page
        10. 8.5.10.10 Register 00Ch (address = 00Ch), Decimation Filter Page
        11. 8.5.10.11 Register 00Dh (address = 00Dh), Decimation Filter Page
        12. 8.5.10.12 Register 00Eh (address = 00Eh), Decimation Filter Page
        13. 8.5.10.13 Register 00Fh (address = 00Fh), Decimation Filter Page
        14. 8.5.10.14 Register 010h (address = 010h), Decimation Filter Page
        15. 8.5.10.15 Register 011h (address = 011h), Decimation Filter Page
        16. 8.5.10.16 Register 014h (address = 014h), Decimation Filter Page
        17. 8.5.10.17 Register 016h (address = 016h), Decimation Filter Page
        18. 8.5.10.18 Register 01Eh (address = 01Eh), Decimation Filter Page
        19. 8.5.10.19 Register 01Fh (address = 01Fh), Decimation Filter Page
        20. 8.5.10.20 Register 033h-036h (address = 033h-036h), Decimation Filter Page
        21. 8.5.10.21 Register 037h (address = 037h), Decimation Filter Page
        22. 8.5.10.22 Register 038h (address = 038h), Decimation Filter Page
        23. 8.5.10.23 Register 039h (address = 039h), Decimation Filter Page
        24. 8.5.10.24 Register 03Ah (address = 03Ah), Decimation Filter Page
      11. 8.5.11 Power Detector Page
        1. 8.5.11.1  Register 000h (address = 000h), Power Detector Page
        2. 8.5.11.2  Register 001h-002h (address = 001h-002h), Power Detector Page
        3. 8.5.11.3  Register 003h (address = 003h), Power Detector Page
        4. 8.5.11.4  Register 007h-00Ah (address = 007h-00Ah), Power Detector Page
        5. 8.5.11.5  Register 00Bh-00Ch (address = 00Bh-00Ch), Power Detector Page
        6. 8.5.11.6  Register 00Dh (address = 00Dh), Power Detector Page
        7. 8.5.11.7  Register 00Eh (address = 00Eh), Power Detector Page
        8. 8.5.11.8  Register 00Fh, 010h-012h, and 016h-019h (address = 00Fh, 010h-012h, and 016h-019h), Power Detector Page
        9. 8.5.11.9  Register 013h-01Ah (address = 013h-01Ah), Power Detector Page
        10. 8.5.11.10 Register 01Dh-01Eh (address = 01Dh-01Eh), Power Detector Page
        11. 8.5.11.11 Register 020h (address = 020h), Power Detector Page
        12. 8.5.11.12 Register 021h (address = 021h), Power Detector Page
        13. 8.5.11.13 Register 022h-025h (address = 022h-025h), Power Detector Page
        14. 8.5.11.14 Register 027h (address = 027h), Power Detector Page
        15. 8.5.11.15 Register 02Bh (address = 02Bh), Power Detector Page
        16. 8.5.11.16 Register 032h-035h (address = 032h-035h), Power Detector Page
        17. 8.5.11.17 Register 037h (address = 037h), Power Detector Page
        18. 8.5.11.18 Register 038h (address = 038h), Power Detector Page
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Start-Up Sequence
      2. 9.1.2 Hardware Reset
      3. 9.1.3 SNR and Clock Jitter
        1. 9.1.3.1 External Clock Phase Noise Consideration
      4. 9.1.4 Power Consumption in Different Modes
      5. 9.1.5 Using DC Coupling in the ADC31RF80
        1. 9.1.5.1 Bypassing the Offset Corrector Block
          1. 9.1.5.1.1 Effect of Temperature
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Transformer-Coupled Circuits
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

RMP Package
72-Pin VQFN
Top View

Pin Functions

NAME NO. I/O DESCRIPTION
INPUT, REFERENCE
INM 41 I Differential analog input
INP 42
CM 22 O Common-mode voltage for analog inputs, 1.2 V
NC 1, 2, 13, 14, 65, 66, 68, 69, 71, 72 — Do not connect these pins.
CLOCK, SYNC
CLKINM 28 I Differential clock input for the analog-to-digital converter (ADC).
This pin has an internal differential 100-Ω termination.
CLKINP 27
SYSREFM 34 I External SYSREF input. This pin has an internal, differential 100-Ω termination and requires external biasing.
SYSREFP 33
GPIO1 19 I/O GPIO control pin; configured through the SPI. This pin can be configured to be either a fast overrange output, a fast detect alarm signal from the peak power detect, or a numerically-controlled oscillator (NCO) control.
GPIO 4 (pin 63) can also be configured as a single-ended SYNCB input.
GPIO2 20
GPIO3 21
GPIO4 63
CONTROL, SERIAL
RESET 48 I Hardware reset; active high. This pin has an internal 20-kΩ pulldown resistor.
SCLK 6 I Serial interface clock input. This pin has an internal 20-kΩ pulldown resistor.
SDIN 5 I/O Serial interface data input. This pin has an internal 20-kΩ pulldown resistor. SDIN can be data input in 4-wire mode, data input and output in 3 wire-mode.
SEN 7 I Serial interface enable. This pin has an internal 20-kΩ pullup resistor to DVDD.
SDOUT 11 O Serial interface data output in 4-wire mode
PDN 50 I Power down; active high. This pin has an internal 20-kΩ pulldown resistor.
DATA INTERFACE
D0M 62 O JESD204B serial data output
D0P 61
D1M 59
D1P 58
D2M 56
D2P 55
D3M 54
D3P 53
SYNCBM 36 I Synchronization input for the JESD204B port. This pin has an LVDS or 1.8-V logic input, an optional on-chip 100-Ω termination, and is selectable through the SPI.
This pin requires external biasing.
SYNCBP 35
POWER SUPPLY
AVDD19 10, 16, 24, 31, 39, 45 I Analog 1.9-V power supply
AVDD 9, 12, 15, 17, 25, 30, 38, 40, 43, 44, 46 I Analog 1.15-V power supply
DVDD 4, 8, 47, 51, 57, 64, 70 I Digital 1.15 V-power supply, including the JESD204B transmitter
GND 3, 18, 23, 26, 29, 32, 37, 49, 52, 60, 67 I Ground; shorted to thermal pad inside device
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