SNAS717A April   2017  – October 2021 ADC12D1620QML-SP

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  Converter Electrical Characteristics: Static Converter Characteristics
    6. 6.6  Converter Electrical Characteristics: Dynamic Converter Characteristics
    7. 6.7  Converter Electrical Characteristics: Analog Input/Output and Reference Characteristics
    8. 6.8  Converter Electrical Characteristic: Channel-to-Channel Characteristics
    9. 6.9  Converter Electrical Characteristics: LVDS CLK Input Characteristics
    10. 6.10 Electrical Characteristics: AutoSync Feature
    11. 6.11 Converter Electrical Characteristics: Digital Control and Output Pin Characteristics
    12. 6.12 Converter Electrical Characteristics: Power Supply Characteristics
    13. 6.13 Converter Electrical Characteristics: AC Electrical Characteristics
    14. 6.14 Electrical Characteristics: Delta Parameters
    15. 6.15 Timing Requirements: Serial Port Interface
    16. 6.16 Timing Requirements: Calibration
    17. 6.17 Quality Conformance Inspection
    18. 6.18 Timing Diagrams
    19. 6.19 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Operation Summary
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Control and Adjust
        1. 7.3.1.1 AC- and DC-Coupled Modes
        2. 7.3.1.2 Input Full-Scale Range Adjust
        3. 7.3.1.3 Input Offset Adjust
        4. 7.3.1.4 Low-Sampling Power-Saving Mode (LSPSM)
        5. 7.3.1.5 DES Timing Adjust
        6. 7.3.1.6 Sampling Clock Phase Adjust
      2. 7.3.2 Output Control and Adjust
        1. 7.3.2.1 SDR / DDR Clock
        2. 7.3.2.2 LVDS Output Differential Voltage
        3. 7.3.2.3 LVDS Output Common-Mode Voltage
        4. 7.3.2.4 Output Formatting
        5. 7.3.2.5 Test-Pattern Mode
        6. 7.3.2.6 Time Stamp
      3. 7.3.3 Calibration Feature
        1. 7.3.3.1 Calibration Control Pins and Bits
        2. 7.3.3.2 How to Execute a Calibration
        3. 7.3.3.3 On-Command Calibration
        4. 7.3.3.4 Calibration Adjust
          1. 7.3.3.4.1 Read/Write Calibration Settings
        5. 7.3.3.5 Calibration and Power-Down
        6. 7.3.3.6 Calibration and the Digital Outputs
      4. 7.3.4 Power Down
      5. 7.3.5 Low-Sampling Power-Saving Mode (LSPSM)
    4. 7.4 Device Functional Modes
      1. 7.4.1 DES/Non-DES Mode
      2. 7.4.2 Demux/Non-Demux Mode
    5. 7.5 Programming
      1. 7.5.1 Control Modes
        1. 7.5.1.1 Non-ECM
          1. 7.5.1.1.1  Dual-Edge Sampling Pin (DES)
          2. 7.5.1.1.2  Non-Demultiplexed Mode Pin (NDM)
          3. 7.5.1.1.3  Dual Data-Rate Phase Pin (DDRPh)
          4. 7.5.1.1.4  Calibration Pin (CAL)
          5. 7.5.1.1.5  Low-Sampling Power-Saving Mode Pin (LSPSM)
          6. 7.5.1.1.6  Power-Down I-Channel Pin (PDI)
          7. 7.5.1.1.7  Power-Down Q-Channel Pin (PDQ)
          8. 7.5.1.1.8  Test-Pattern Mode Pin (TPM)
          9. 7.5.1.1.9  Full-Scale Input-Range Pin (FSR)
          10. 7.5.1.1.10 AC- or DC-Coupled Mode Pin (VCMO)
          11. 7.5.1.1.11 LVDS Output Common-Mode Pin (VBG)
        2. 7.5.1.2 Extended Control Mode
          1. 7.5.1.2.1 Serial Interface
    6. 7.6 Register Maps
      1. 7.6.1 Register Definitions
  8. 8 Application Information Disclaimer
    1. 8.1 Application Information
      1. 8.1.1 Analog Inputs
        1. 8.1.1.1 Acquiring the Input
        2. 8.1.1.2 Driving the ADC in DES Mode
        3. 8.1.1.3 FSR and the Reference Voltage
        4. 8.1.1.4 Out-Of-Range Indication
        5. 8.1.1.5 AC-Coupled Input Signals
        6. 8.1.1.6 DC-Coupled Input Signals
        7. 8.1.1.7 Single-Ended Input Signals
      2. 8.1.2 Clock Inputs
        1. 8.1.2.1 CLK Coupling
        2. 8.1.2.2 CLK Frequency
        3. 8.1.2.3 CLK Level
        4. 8.1.2.4 CLK Duty Cycle
        5. 8.1.2.5 CLK Jitter
        6. 8.1.2.6 CLK Layout
      3. 8.1.3 LVDS Outputs
        1. 8.1.3.1 Common-Mode and Differential Voltage
        2. 8.1.3.2 Output Data Rate
        3. 8.1.3.3 Terminating Unused LVDS Output Pins
      4. 8.1.4 Synchronizing Multiple ADC12D1620 Devices in a System
        1. 8.1.4.1 AutoSync Feature
        2. 8.1.4.2 DCLK Reset Feature
      5. 8.1.5 Temperature Sensor
    2. 8.2 Radiation Environments
      1. 8.2.1 Total Ionizing Dose
      2. 8.2.2 Single Event Latch-Up and Functional Interrupt
      3. 8.2.3 Single Event Upset
    3. 8.3 Cold Sparing
  9. 9 Power Supply Recommendations
    1. 9.1 System Power-On Considerations
      1. 9.1.1 Control Pins
      2. 9.1.2 Power On in Non-ECM
      3. 9.1.3 Power On in ECM
      4. 9.1.4 Power-on and Data Clock (DCLK)
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Power Planes
      2. 10.1.2 Bypass Capacitors
      3. 10.1.3 Ground Planes
      4. 10.1.4 Power System Example
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
    4. 10.4 Board Mounting Recommendation
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
      2. 11.1.2 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Engineering Samples

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • FVA|256
  • NAA|376
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Converter Electrical Characteristics: Dynamic Converter Characteristics

The following specifications apply after calibration for VA = VDR = VTC = VE = 1.9 V; I and Q channels AC-coupled, FSR pin = high; CL = 10 pF; differential AC-coupled sine wave input clock, fCLK = 1.6 GHz at 0.5 VP-P with 50% duty cycle; VBG = floating; non-extended control mode; Rext = Rtrim = 3300 Ω ±0.1%; analog signal source impedance = 100-Ω differential; 1:2 demultiplex non-DES mode; I and Q channels; duty-cycle stabilizer on.(1)(2)
PARAMETERTEST CONDITIONSSUB-GROUPSMINTYP(3)MAXUNIT
CERCode error rate10–18Error/
Sample
IMD33rd order intermodulation distortionfIN = 2070 MHz ± 2.5 MHz at –13 dBFS–76dBFS
–63dBc
fIN = 2070 MHz ± 2.5 MHz at –16 dBFS–80dBFS
–64dBc
fIN = 2670 MHz ± 2.5 MHz at –13 dBFS–72dBFS
–59dBc
fIN = 2670 MHz ± 2.5 MHz at –16 dBFS–77dBFS
–61dBc
1:2 DEMUX, NON-DES MODE, NON-ECM, NON-LSPSM, fCLK = 1.6 GHz, fIN = 248 MHz, VIN = –0.5 dBFS
ENOBEffective number of bits[4]8.89.1bits
[5]8.7
[6]8.4
SINADSignal-to-noise plus distortion ratio[4]54.756.5dBFS
[5]54.1
[6]52.3
SNRSignal-to-noise ratio[4]5658.4dBFS
[5]54.6
[6]53.5dBFS
THDTotal harmonic distortion[4, 5]–62–59.2dBFS
[6]–55.5dBFS
2nd HarmSecond harmonic distortion–72.2dBFS
3rd HarmThird harmonic distortion–62.1dBFS
SFDRSpurious-free dynamic range[4]58.962.1dBFS
[5]58.1
[6]56dBFS
1:2 DEMUX, NON-DES MODE, NON-ECM, LSPSM, fCLK = 800 MHz, fIN = 248 MHz, VIN = –0.5 dBFS
ENOBEffective number of bits[4, 5]9.19.5bits
[6]8.6bits
SINADSignal-to-noise plus distortion ratio[4, 5]56.558.6dBFS
[6]53.5dBFS
SNRSignal-to-noise ratio[4, 5]57.659.8dBFS
[6]56.8dBFS
THDTotal harmonic distortion[4, 5]–67–62.3dBFS
[6]–57dBFS
2nd HarmSecond harmonic distortion–77.7dBFS
3rd HarmThird harmonic distortion–67.5dBFS
SFDRSpurious-free dynamic range[4, 5]62.567.4dBFS
[6]57.5dBFS
NON-DEMUX, NON-DES MODE, ECM, NON-LSPSM, fCLK = 1.6 GHz, fIN = 248 MHz, VIN = –0.5 dBFS
ENOBEffective number of bits9.1bits
SINADSignal-to-noise plus distortion ratio56.6dBFS
SNRSignal-to-noise ratio58.6dBFS
THDTotal harmonic distortion–63.2dBFS
2nd HarmSecond harmonic distortion–72dBFS
3rd HarmThird harmonic distortion–63.3dBFS
SFDRSpurious-free dynamic range63.3dBFS
1:4 DEMUX, DES MODE, NON-LSPSM, fCLK = 1.6 GHz, fIN = 248 MHz, VIN = –0.5 dBFS
ENOBEffective number of bits8.9bits
SINADSignal-to-noise plus distortion ratio55.5dB
SNRSignal-to-noise ratio56.9dBFS
THDTotal harmonic distortion–62.3dBFS
2nd HarmSecond harmonic distortion–79.1dBFS
3rd HarmThird harmonic distortion–62.3dBFS
SFDRSpurious-free dynamic range61.7dBFS
(1) The analog inputs are protected as shown below. Input voltage magnitudes beyond the Absolute Maximum Ratings may damage this device.
GUID-0E180FB8-5707-431A-A0F2-8F15E7197F19-low.gif
(2) To ensure accuracy, it is required that VA, VTC, VE and VDR be well bypassed. Each supply pin must be decoupled with separate bypass capacitors.
(3) Typical figures are at TA = 25°C, and represent most likely parametric norms. Test limits are ensured to Texas Instrument's average outgoing quality level (AOQL).