SBOS931B January   2019  – August 2019 OPA1671

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Electret Microphone Preamplifier
      2.      OPA1671 Voltage Noise Density
  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 Operating Voltage
      2. 7.3.2 Input Bias Current
      3. 7.3.3 Common-Mode Voltage Range
      4. 7.3.4 EMI Susceptibility and Input Filtering
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Capacitive Loads
      2. 8.1.2 Noise Performance
      3. 8.1.3 Basic Noise Calculations
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  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. 11.2 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 = ±2.5 V, VCM = VS / 2, RL = 10 kΩ connected to VS / 2 (unless otherwise noted)
OPA1671 VOSHighSupply-9904devices.gif
N = 9904 VS = ±2.75 V
Figure 1. Offset Voltage Production Distribution
OPA1671 vosdrifthisto.gif
N = 65
Figure 3. Offset Voltage Drift Distribution
OPA1671 vosvsvcm,60channels,3lots,25conly.gif
N = 65
Figure 5. Offset Voltage vs Common Mode Voltage
OPA1671 D006_ClosedLoopGain.gif
Figure 7. Closed-Loop Gain and Phase vs Frequency
OPA1671 claw_source_5p5temp.gif
VS = ±2.75 V
Figure 9. Output Voltage Swing vs Sourcing Output Current (Maximum Supply)
OPA1671 D007A_CMRR.gif
Figure 11. CMRR vs Frequency
OPA1671 OPA1671_Voltage_Noise.gif
Figure 13. Input Voltage Noise Spectral Density
vs Frequency
OPA1671 D010-opa1671-thdn-vs-vrms-1khz-g1.gif
Gain = 1 BW = 80 kHz
fTEST = 1 kHz
Figure 15. THD+N vs Output Amplitude
OPA1671 iqvstemp.gif
5 typical units
Figure 17. Quiescent Current vs Temperature
OPA1671 aolvstemp10kavg3sigma.gif
Figure 19. Open-Loop Gain vs Temperature
OPA1671 D031_Inverting_Overshoot_Capload.gif
10-mV Step
Figure 21. Small-Signal Overshoot vs Capacitive Load
OPA1671 D034B_PosOverloadRecovery.gif
Figure 23. Positive Overload Recovery
OPA1671 D035A_SmallStep_G1.gif
10-mV step G = +1
Figure 25. Small-Signal Step Response
OPA1671 D037_SettlingTime_2VStep.gif
2-V Step
Figure 27. Settling Time
OPA1671 D012_FullPowerBandwidth.gif
Figure 29. Maximum Output Voltage vs Frequency
OPA1671 VOSLowSupply-9904devices.gif
N = 9904 VS = ±0.85 V
Figure 2. Offset Voltage Production Distribution
OPA1671 vosvstemp5typicalunits2p75vsupply.gif
N = 5 5 typical units
Figure 4. Offset Voltage vs Temperature
OPA1671 OPA1671_Aol_Phase.gif
Figure 6. Open-Loop Gain and Phase vs Frequency
OPA1671 ibvstemp_pnos_2.gif
Figure 8. Input Bias Current vs Temperature
OPA1671 claw_sink_5p5temp.gif
VS = ±2.75 V
Figure 10. Output Voltage Swing vs Sinking Output Current (Maximum Supply)
OPA1671 D027_PPNoise_p1_10Hz.gif
Figure 12. 0.1-Hz to 10-Hz Noise
OPA1671 OPA1671_THDN_Vs_Freq_1Vrms_10KOhms_2Configs.gif
BW = 80 kHz
VO = 1 VRMS
Figure 14. THD+N Ratio vs Frequency
OPA1671 D010-opa1671-thdn-vs-vrms-1khz-g-1.gif
Gain = –1 BW = 80 kHz
fTEST = 1 kHz
Figure 16. THD+N vs Output Amplitude
OPA1671 iqvssupply_5typunits.gif
5 typical units
Figure 18. Quiescent Current vs Supply
OPA1671 OpenLoopOutputImpedance.gif
Figure 20. Open-Loop Output Impedance vs Frequency
OPA1671 D033_AntiPhaseReversal.gif
Figure 22. No Phase Reversal
OPA1671 D034A_NegOverloadRecovery.gif
Figure 24. Negative Overload Recovery
OPA1671 D035B_SmallStep_G-1.gif
10-mV step G = –1
Figure 26. Small-Signal Step Response
OPA1671 iscvstemperaturesinkingandsourcing.gif
Figure 28. Short-Circuit Current vs Temperature