SBOS859B March   2018  – July 2018 INA1620

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      INA1620 Simplified Internal Schematic
      2.      FFT: 1 kHz, 32-Ω Load, 50 mW
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Matched Thin-Film Resistor Pairs
      2. 7.3.2 Power Dissipation
      3. 7.3.3 Thermal Shutdown
      4. 7.3.4 EN Pin
      5. 7.3.5 GND Pin
      6. 7.3.6 Input Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Output Transients During Power Up and Power Down
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Noise Performance
      2. 8.1.2 Resistor Tolerance
      3. 8.1.3 EMI Rejection
      4. 8.1.4 EMIRR +IN Test Configuration
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Other Application Examples
      1. 8.3.1 Preamplifier for Professional Microphones
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI (Free Software Download)
        2. 11.1.1.2 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.6 Typical Characteristics

at TA = 25°C, VS = ±18 V, and RL = 2 kΩ (unless otherwise noted)
INA1620 D027.gif
9818 channels
Figure 1. Input Offset Voltage Histogram
INA1620 C008_SBOS727.png
4 typical units
Figure 3. Input Offset Voltage vs Temperature
INA1620 C307_SBOS727.png
Figure 5. Input Voltage Noise Spectral Density vs Frequency
INA1620 C103_SBOS727.png
Figure 7. 0.1-Hz to 10-Hz Noise
INA1620 C303_SBOS727.png
Figure 9. Maximum Output Voltage vs Frequency
INA1620 C001_600_SBOS727.png
600-Ω load
Figure 11. Open-Loop Gain vs Temperature
INA1620 C106_SBOS727.png
Figure 13. Closed-Loop Gain vs Frequency
INA1620 C108_SBOS727.png
10 mW, 80-kHz measurement bandwidth
Figure 15. THD+N Ratio vs Frequency
INA1620 C110_SBOS727.png
1 kHz, 80-kHz measurement bandwidth
Figure 17. THD+N Ratio vs Output Amplitude
INA1620 C112_SBOS727.png
Figure 19. Channel Separation vs Frequency
INA1620 C012_SBOS727.png
Figure 21. PSRR vs Temperature
INA1620 C011_SBOS727.png
Figure 23. CMRR vs Temperature
INA1620 C117_SBOS727.png
G = 1, 10 mV
Figure 25. Small-Signal Step Response
INA1620 C120_SBOS727.png
G = –10
Figure 27. Negative Overload Recovery
INA1620 C119_SBOS727.png
Figure 29. No Phase Reversal
INA1620 C305_SBOS727.png
Figure 31. IOS vs Temperature
INA1620 C013_SBOS727_jc.png
VS = ±2 V
Figure 33. IB vs Common-Mode Voltage
INA1620 C005_SB0S727.png
Figure 35. Quiescent Current vs Supply Voltage
INA1620 C006_SBOS727.png
Figure 37. Short-Circuit Current vs Temperature
INA1620 C007B_SB0S727.png
Figure 39. Negative Output Voltage vs Output Current
INA1620 D026.gif
19635 resistors
Figure 41. Resistor Absolute Value Histogram
INA1620 D029.gif
64 resistor pairs
Figure 43. Resistor Pair Matching Drift Histogram
INA1620 D030.gif
50 channels
Figure 2. Input Offset Voltage Drift Histogram
INA1620 C013_SBOS727.png
Figure 4. Input Offset Voltage vs Common-Mode Voltage
INA1620 C306_SBOS727.png
Figure 6. Input Current Noise Spectral Density vs Frequency
INA1620 C302_SBOS727.png
Figure 8. Voltage Noise vs Source Resistance
INA1620 C101_SBOS727.png
Figure 10. Open-Loop Gain and Phase vs Frequency
INA1620 C001_2k_SBOS727.png
2-kΩ load
Figure 12. Open-Loop Gain vs Temperature
INA1620 C107_SBOS727.png
3.5 VRMS, 80-kHz measurement bandwidth
Figure 14. THD+N Ratio vs Frequency
INA1620 C109_SBOS727.png
1 kHz, 80-kHz measurement bandwidth
Figure 16. THD+N Ratio vs Output Amplitude
INA1620 C111_SBOS727.png
90-kHz measurement bandwidth
Figure 18. Intermodulation Distortion vs Output Amplitude
INA1620 C115_SBOS727.png
Figure 20. PSRR vs Frequency (Referred to Input)
INA1620 C116_SBOS727.png
Figure 22. CMRR vs Frequency (Referred to Input)
INA1620 C308_SBOS727.png
Figure 24. Phase Margin vs Capacitive Load
INA1620 C118_SBOS727.png
G = 1, 10 V
Figure 26. Large-Signal Step Response
INA1620 C121_SBOS727.png
G = –10
Figure 28. Positive Overload Recovery
INA1620 C304_SBOS727.png
Figure 30. IB vs Temperature
INA1620 C014_SBOS727.png
VS = ±18 V
Figure 32. IB vs Common-Mode Voltage
INA1620 C004_SBOS727.png
Figure 34. Quiescent Current vs Temperature
INA1620 C309_SBOS727.png
Figure 36. Quiescent Current vs Enable Voltage
INA1620 C007A_SB0S727.png
Figure 38. Positive Output Voltage vs Output Current
INA1620 C301_SBOS727.png
Figure 40. Open-Loop Output Impedance vs Frequency
INA1620 D028.gif
19639 resistor pairs
Figure 42. Resistor Pair Matching Histogram