SBOSAI0A December   2023  – May 2024 OPA310-Q1

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information for Single Channel
    5. 5.5 Thermal Information for Dual Channel
    6. 5.6 Thermal Information for Quad Channel
    7. 5.7 Electrical Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Operating Voltage
      2. 6.3.2 Rail-to-Rail Input
      3. 6.3.3 Rail-to-Rail Output
      4. 6.3.4 Capacitive Load and Stability
      5. 6.3.5 Overload Recovery
      6. 6.3.6 EMI Rejection
      7. 6.3.7 ESD and Electrical Overstress
      8. 6.3.8 Input ESD Protection
      9. 6.3.9 Shutdown Function
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 OPAx310-Q1 Low-Side, Current Sensing Application
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4.     Trademarks
    5. 8.4 Electrostatic Discharge Caution
    6. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBV|5
  • DBV|6
  • DCK|5
  • DCK|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.8 Typical Characteristics

at TA = 25°C, V+ = 2.75V, V– = –2.75V, RL = 10kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2 (unless otherwise noted)

OPA310-Q1 Offset Voltage Distribution Histogram
VS = 5.5 V VCM = VS / 2 TA = 25°C
No. of devices = 70 Mean = –36µV Sigma = 215µV
Figure 5-1 Offset Voltage Distribution Histogram
OPA310-Q1 Input Bias Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 25°C
No. of devices = 140 Mean = 0.6pA Sigma = 1.2pA
Figure 5-3 Input Bias Current Distribution Histogram
OPA310-Q1 Input Offset Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 25°C
No. of devices = 140 Mean = 0.2pA Sigma = 1.5pA
Figure 5-5 Input Offset Current Distribution Histogram
OPA310-Q1 Input Offset Voltage vs Temperature
VS = 5.5V, VCM = V– No. of devices = 72
Figure 5-7 Input Offset Voltage vs Temperature
OPA310-Q1 Offset Voltage vs Common-Mode
V+ = 2.75V, V– = –2.75 V
No. of devices = 72
Figure 5-9 Offset Voltage vs Common-Mode
OPA310-Q1 Offset Voltage vs Common-Mode
V+ = 2.75V, V– = –2.75V, VCM > (V+) – 0.6V
No. of devices = 72
Figure 5-11 Offset Voltage vs Common-Mode
OPA310-Q1 IB vs Temperature
VS = 5.5V, VCM = VS/2
Figure 5-13 IB vs Temperature
OPA310-Q1 IB vs Common-Mode Voltage
V+ = 2.75V, V– = –2.75V, VCM = VS/2
Figure 5-15 IB vs Common-Mode Voltage
OPA310-Q1 Open-Loop Gain vs Temperature
RL = 10kΩ
Figure 5-17 Open-Loop Gain vs Temperature
OPA310-Q1 Open-Loop Output Impedance vs FrequencyFigure 5-19 Open-Loop Output Impedance vs Frequency
OPA310-Q1 Output Voltage Swing vs Output Current (Sourcing)
V+ = 2.75V, V– = –2.75 V
Figure 5-21 Output Voltage Swing vs Output Current (Sourcing)
OPA310-Q1 Output Voltage Swing vs Output Current (Sourcing)
V+ = 0.9V, V– = –0.9 V
Figure 5-23 Output Voltage Swing vs Output Current (Sourcing)
OPA310-Q1 PSRR vs FrequencyFigure 5-25 PSRR vs Frequency
OPA310-Q1 CMRR vs FrequencyFigure 5-27 CMRR vs Frequency
OPA310-Q1 0.1-Hz to 10-Hz Voltage Noise in Time Domain Figure 5-29 0.1-Hz to 10-Hz Voltage Noise in Time Domain
OPA310-Q1 THD + N vs Frequency
VS = 5.5V VCM = 2.5V G = 1
BW = 80kHz VOUT = 0.5 VRMS
Figure 5-31 THD + N vs Frequency
OPA310-Q1 THD + N vs Amplitude
VS = 5.5V VCM = 2.5V f = 1kHz
G = 1 BW = 80 kHz
Figure 5-33 THD + N vs Amplitude
OPA310-Q1 Quiescent Current vs Supply Voltage
VCM = VS/2
Figure 5-35 Quiescent Current vs Supply Voltage
OPA310-Q1 Quiescent Current vs Temperature
VCM = VS/2
Figure 5-37 Quiescent Current vs Temperature
OPA310-Q1 Small Signal Overshoot vs Capacitive Load
G = 1 VIN = 100mVpp
Figure 5-39 Small Signal Overshoot vs Capacitive Load
OPA310-Q1 No Phase Reversal
G = 1 VIN = 6 VPP
Figure 5-41 No Phase Reversal
OPA310-Q1 Overload Recovery
G = –10 VIN = 600 mVPP
Figure 5-43 Overload Recovery
OPA310-Q1 Small-Signal Step Response
G = –1 VIN = 10 mVPP CL = 10pF
Figure 5-45 Small-Signal Step Response
OPA310-Q1 Large-Signal Settling Time (Negative)
G = 1 VIN = 4 VPP CL = 10pF
Figure 5-47 Large-Signal Settling Time (Negative)
OPA310-Q1 Large-Signal Step Response
G = –1 VIN = 4 VPP CL = 10pF
Figure 5-49 Large-Signal Step Response
OPA310-Q1 Short-Circuit Current vs Temperature
VS = 5.5 V
Figure 5-51 Short-Circuit Current vs Temperature
OPA310-Q1 Channel SeparationFigure 5-53 Channel Separation
OPA310-Q1 Offset Voltage Drift Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = –40°C to +125°C
No. of devices = 70
Mean = 0.5µV/°C Sigma = 0.3µV/°C
Figure 5-2 Offset Voltage Drift Distribution Histogram
OPA310-Q1 Input Bias Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 85°C
No. of devices = 140 Mean = 4.6pA Sigma = 1.3pA
Figure 5-4 Input Bias Current Distribution Histogram
OPA310-Q1 Input Offset Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 85°C
No. of devices = 70 Mean = 0.3pA Sigma = 1.6pA
Figure 5-6 Input Offset Current Distribution Histogram
OPA310-Q1 Input Offset Voltage vs Temperature
VS = 5.5V, VCM = V+ No. of devices = 72
Figure 5-8 Input Offset Voltage vs Temperature
OPA310-Q1 Offset Voltage vs Common-Mode
 V+ = 2.75V, V– = –2.75V, (V–) < VCM < (V+) – 0.6V
No. of devices = 72
Figure 5-10 Offset Voltage vs Common-Mode
OPA310-Q1 Offset Voltage vs Supply Voltage
VCM = (V–) No. of devices = 72
Figure 5-12 Offset Voltage vs Supply Voltage
OPA310-Q1 IOS vs Temperature
VS = 5.5V, VCM = VS/2
Figure 5-14 IOS vs Temperature
OPA310-Q1 IOS vs Common-Mode Voltage
V+ = 2.75V, V– = –2.75V, VCM = VS/2
Figure 5-16 IOS vs Common-Mode Voltage
OPA310-Q1 Open-Loop Gain and Phase vs Frequency
CL = 10pF
Figure 5-18 Open-Loop Gain and Phase vs Frequency
OPA310-Q1 Closed-Loop Gain vs Frequency
CL = 10pF
Figure 5-20 Closed-Loop Gain vs Frequency
OPA310-Q1 Output Voltage Swing vs Output Current (Sinking)
V+ = 2.75V, V– = –2.75 V
Figure 5-22 Output Voltage Swing vs Output Current (Sinking)
OPA310-Q1 Output Voltage Swing vs Output Current (Sinking)
V+ = 0.9V, V– = –0.9 V
Figure 5-24 Output Voltage Swing vs Output Current (Sinking)
OPA310-Q1 DC PSRR vs Temperature
VS = 1.5V to 5.5 V
Figure 5-26 DC PSRR vs Temperature
OPA310-Q1 DC CMRR vs Temperature
VS = 5.5V, (V–) < VCM < (V+) – 0.6V
Figure 5-28 DC CMRR vs Temperature
OPA310-Q1 Input Voltage Noise Spectral DensityFigure 5-30 Input Voltage Noise Spectral Density
OPA310-Q1 THD + N vs Frequency
VS = 5.5V VCM = 2.5V G = –1
BW = 80kHz VOUT = 0.5 VRMS
Figure 5-32 THD + N vs Frequency
OPA310-Q1 THD + N vs Amplitude
VS = 5.5V VCM = 2.5V f = 1kHz
G = –1 BW = 80 kHz
Figure 5-34 THD + N vs Amplitude
OPA310-Q1 Quiescent Current vs Common-Mode Voltage
V+ = 2.75V, V– = –2.75V
Figure 5-36 Quiescent Current vs Common-Mode Voltage
OPA310-Q1 Small Signal Overshoot vs Capacitive Load
G = –1 VIN = 100mVpp
Figure 5-38 Small Signal Overshoot vs Capacitive Load
OPA310-Q1 Phase Margin vs Capacitive LoadFigure 5-40 Phase Margin vs Capacitive Load
OPA310-Q1 Overload Recovery
G = –10 VIN = 600 mVPP
Figure 5-42 Overload Recovery
OPA310-Q1 Small-Signal Step Response
G = 1 VIN = 10 mVPP CL = 10pF
Figure 5-44 Small-Signal Step Response
OPA310-Q1 Large-Signal Step Response
G = 1 VIN = 4 VPP CL = 10pF
Figure 5-46 Large-Signal Step Response
OPA310-Q1 Large-Signal Settling Time (Positive)
G = 1 VIN = 4 VPP CL = 10pF
Figure 5-48 Large-Signal Settling Time (Positive)
OPA310-Q1 Maximum Output Voltage vs FrequencyFigure 5-50 Maximum Output Voltage vs Frequency
OPA310-Q1 Electromagnetic Interference Rejection Ratio Referred to Noninverting Input (EMIRR+) vs FrequencyFigure 5-52 Electromagnetic Interference Rejection Ratio Referred to Noninverting Input (EMIRR+) vs Frequency