SLOS823D December   2012  – March 2020 THS4531A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     1-kHz FFT Plot on Audio Analyzer
  4. 4 Revision History
  5. 5 Related Products
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: VS = 2.7 V
    6. 7.6 Electrical Characteristics: VS = 5 V
    7. 7.7 Typical Characteristics
      1. 7.7.1 Typical Characteristics: VS = 2.7 V
      2. 7.7.2 Typical Characteristics: VS = 5 V
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Common-Mode Voltage Range
        1. 8.3.1.1 Setting the Output Common-Mode Voltage
      2. 8.3.2 Power Down
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1  Frequency Response, and Output Impedance
      2. 9.1.2  Distortion
      3. 9.1.3  Slew Rate, Transient Response, Settling Time, Overdrive, Output Voltage, and Turnon and Turnoff Time
      4. 9.1.4  Common-Mode and Power Supply Rejection
      5. 9.1.5  VOCM Input
      6. 9.1.6  Balance Error
      7. 9.1.7  Single-Supply Operation
      8. 9.1.8  Low-Power Applications and the Effects of Resistor Values on Bandwidth
      9. 9.1.9  Driving Capacitive Loads
      10. 9.1.10 Audio Performance
      11. 9.1.11 Audio On and Off Pop Performance
    2. 9.2 Typical Applications
      1. 9.2.1 SAR ADC Performance: THS4531A and ADS8321 Combined Performance
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Audio ADC Driver Performance: THS4531A and PCM4204 Combined Performance
        1. 9.2.2.1 Detailed Design Procedure
        2. 9.2.2.2 Application Curves
      3. 9.2.3 SAR ADC Performance: THS4531A and ADS7945 Combined Performance
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curve
      4. 9.2.4 Differential-Input to Differential-Output Amplifier
        1. 9.2.4.1 AC-Coupled, Differential-Input to Differential-Output Design Issues
      5. 9.2.5 Single-Ended to Differential FDA Configuration
        1. 9.2.5.1 Input Impedance
      6. 9.2.6 Single-Ended Input to Differential Output Amplifier
        1. 9.2.6.1 AC-Coupled Signal Path Considerations for Single-Ended Input to Differential Output Conversion
        2. 9.2.6.2 DC-Coupled Input Signal Path Considerations for Single-Ended to Differential Conversion
        3. 9.2.6.3 Resistor Design Equations for the Single-Ended to Differential Configuration of the FDA
      7. 9.2.7 Differential Input to Single-Ended Output Amplifier
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
    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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7.7.2 Typical Characteristics: VS = 5 V

Test conditions unless otherwise noted: VS+ = 5 V, VS– = 0 V, VOCM = open, VOUT = 2 Vpp, RF = 2 kΩ, RL = 2 kΩ Differential, G = 1 V/V, Single-Ended Input, Differential Output, Input and Output Referenced to mid-supply, TA = 25°C, unless otherwise noted.

THS4531A G027_Small-Signal_Frequency_Response.png
Figure 34. Small-Signal Frequency Response
THS4531A G029_Large-_and_Small-Signal_Pulse_Response.png
Figure 36. Large- and Small-signal Pulse Response
THS4531A G054_Diff_Slew_Rate_vs_Vout_Step_RL=200.png
Figure 38. Differential Slew Rate vs VOUT Step
THS4531A g32.gif
Figure 40. 10-kHz FFT On Audio Analyzer
THS4531A G034_Harmonic_Distortion_vs_Output_Voltage_at_1MHz_RF=2k_RL=2k.png
Figure 42. Harmonic Distortion vs Output Voltage at 1 MHz
THS4531A G036_Hamonic_Distortion_vs_Load_at_1MHz_RF=2k.png
Figure 44. Harmonic Distortion vs Load at 1 MHz
THS4531A G038_Two-Tone_Second-_and_Third-Order_Intermodulation_Distortion_vs_Frequency_RF=2k_RL=2k.png
Figure 46. Two-Tone, 2nd and 3rd Order Intermodulation
Distortion vs Frequency
THS4531A G040_Single-Ended_Output_Saturation_Voltage_vs_Load_Current.png
Figure 48. Single-Ended Output Saturation Voltage vs Load Current
THS4531A G042_Frequency_Response_vs_CLOAD_RLOAD_=_2k.png
Figure 50. Frequency Response vs CLOAD
THS4531A Figure52rotated.png
Figure 52. Rejection Ratio vs Frequency
THS4531A G046_Turn_off_Time_RF=2k_RL=200.png
Figure 54. Turnoff Time
THS4531A G048_Main_Amplifier_Differential_Open-Loop_Gain_and_Phase.png
Figure 56. Main Amplifier Differential Open-Loop Gain and Phase vs Frequency
THS4531A G050_Vocm_Small-Signal_Frequency_Response_RF=2k.png
Figure 58. VOCM Small-Signal Frequency Response
THS4531A G052_Vocm_Input_Impedance_vs_Frequency.png
Figure 60. VOCM Input Impedance vs Frequency
THS4531A Figure 63 IOS Drift 5V.png
Figure 62. Input Offset Current Temp Drift Histogram
THS4531A Figure 65 VOS at 25C 5V.png
Figure 64. Input Offset Voltage Histogram
THS4531A Figure 67 VOS Over Temp 5V.png
Figure 66. Input Offset Voltage vs Temperature
THS4531A G028_Large-Signal_Frequency_Response.png
Figure 35. Large-Signal Frequency Response
THS4531A G030_Slew_Rate_vs_Vout_Step_RL=200.png
Figure 37. Single-Ended Slew Rate vs VOUT Step
THS4531A G031_Overdrive_Recovery.png
Figure 39. Overdrive Recovery
THS4531A G033_Harmonic_Distortion_vs_Frequency_RF=2k_RL=2k.png
Figure 41. Harmonic Distortion vs Frequency
THS4531A G035_Harmonic_Distortion_vs_Gain_at_1MHz_RF=2k_RL=2k.png
Figure 43. Harmonic Distortion vs Gain at 1 MHz
THS4531A G037_Harmonic_Distortion_vs_Vocm_at_1MHz_RF=2k_RL=2k.png
Figure 45. Harmonic Distortion vs VOCM at 1 MHz
THS4531A G039_Single-Ended_Output_Voltage_Swing_vs_Load_Resistance.png
Figure 47. Single-Ended Output Voltage Swing vs Load Resistance
THS4531A G041_Main_Amplifier_Differential_Output_Impedance_vs_Frequency.png
Figure 49. Main Amplifier Differential Output Impedance vs Frequency
THS4531A G043_RO_vs_CLOAD_RLOAD_=_2k.png
Figure 51. RO vs CLOAD
THS4531A g45.gif
Figure 53. Turnon Time
THS4531A G047_Input-Referred_Voltage_Noise_and_Current_Noise_Spectral_Density.png
Figure 55. Input-referred Voltage Noise and Current Noise Spectral Density
THS4531A G049_Output_Balance_Error_vs_Frequency_RF=2k_RL=1k.png
Figure 57. Output Balance Error vs Frequency
THS4531A G051_Vocm_Large-_and_Small-Signal_Pulse_Response_RF=2k.png
Figure 59. VOCM Large- and Small Signal Pulse Response
THS4531A Figure 62 IOS at 25C 5V.png
Figure 61. Input Offset Current Histogram
THS4531A Figure 64 IOS Over Temp 5V.png
Figure 63. Input Offset Current vs Temperature
THS4531A Figure 66 VOS Drift 5V.png
Figure 65. Input Offset Voltage Temp Drift Histogram