SBOSAE8C October   2023  – April 2025 OPA2323 , OPA323 , OPA4323

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information for Single Channel
    5. 6.5 Thermal Information for Dual Channel
    6. 6.6 Thermal Information for Quad Channel
    7. 6.7 Electrical Characteristics
    8. 6.8 Typical Characteristics
  8. 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  Rail-to-Rail Input
      3. 7.3.3  Rail-to-Rail Output
      4. 7.3.4  Common-Mode Rejection Ratio (CMRR)
      5. 7.3.5  Capacitive Load and Stability
      6. 7.3.6  Overload Recovery
      7. 7.3.7  EMI Rejection
      8. 7.3.8  ESD and Electrical Overstress
      9. 7.3.9  Input ESD Protection
      10. 7.3.10 Shutdown Function
      11. 7.3.11 Packages with an Exposed Thermal Pad
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 OPAx323 in Low-Side, Current Sensing Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4.     Trademarks
    5. 9.4 Electrostatic Discharge Caution
    6. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DYY|14
  • PW|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.8 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)

OPA4323 OPA323 OPA2323 Input Offset Voltage Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 25°C
No. of devices = 36 Mean = –32µV Sigma = 190µV
Figure 6-1 Input Offset Voltage Distribution Histogram
OPA4323 OPA323 OPA2323 Input Bias Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 25°C
No. of devices = 90 Mean = 1pA Sigma = 2pA
Figure 6-3 Input Bias Current Distribution Histogram
OPA4323 OPA323 OPA2323 Input Offset Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 25°C
No. of devices = 45 Mean = –0.1pA Sigma = 1.7pA
Figure 6-5 Input Offset Current Distribution Histogram
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Supply Voltage
VCM = (V–) No. of devices = 45
Figure 6-7 Input Offset Voltage vs Supply Voltage
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Temperature
VCM = V– No. of devices = 45
Figure 6-9 Input Offset Voltage vs Temperature
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Common-Mode
V+ = 2.75V, V– = –2.75V TA = –40°C, 85°C and 125°C
(V–) – 0.25V < VCM < (V+) + 0.15V
Figure 6-11 Input Offset Voltage vs Common-Mode
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Common-Mode
V+ = 0.9V, V– = –0.9V TA = –40°C, 85°C and 125°C
(V–) – 0.1V < VCM < (V+) + 0.1V
Figure 6-13 Input Offset Voltage vs Common-Mode
OPA4323 OPA323 OPA2323 IOS vs Temperature
VS = 5.5V, VCM = VS/2
Figure 6-15 IOS vs Temperature
OPA4323 OPA323 OPA2323 IOS vs Common-Mode Voltage
V+ = 2.5V, V– = –2.5V, VCM = VS/2
Figure 6-17 IOS vs Common-Mode Voltage
OPA4323 OPA323 OPA2323 Open-Loop Gain and Phase vs Frequency
CL = 10pF
Figure 6-19 Open-Loop Gain and Phase vs Frequency
OPA4323 OPA323 OPA2323 Closed-Loop Gain vs Frequency
CL = 10pF
Figure 6-21 Closed-Loop Gain vs Frequency
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sourcing)
V+ = 2.75V, V– = –2.75V
Figure 6-23 Output Voltage Swing vs Output Current (Sourcing)
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sourcing)
V+ = 1.65V, V– = –1.65V
Figure 6-25 Output Voltage Swing vs Output Current (Sourcing)
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sourcing)
V+ = 0.9V, V– = –0.9V
Figure 6-27 Output Voltage Swing vs Output Current (Sourcing)
OPA4323 OPA323 OPA2323 PSRR+ vs Frequency
Figure 6-29 PSRR+ vs Frequency
OPA4323 OPA323 OPA2323 DC PSRR vs Temperature
VCM = (V–) VS = 1.8V to 5.5V
Figure 6-31 DC PSRR vs Temperature
OPA4323 OPA323 OPA2323 DC CMRR vs Temperature
VS = 5V (V–) – 0.2V – < VCM < (V+) + 0.15V
Figure 6-33 DC CMRR vs Temperature
OPA4323 OPA323 OPA2323 Input Voltage Noise Spectral Density
Figure 6-35 Input Voltage Noise Spectral Density
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = –1
BW = 80kHz VOUT = 2VP-P
Figure 6-37 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = –10
BW = 80kHz VOUT = 2VP-P
Figure 6-39 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = –1
BW = 80kHz VOUT = 4VP-P
Figure 6-41 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = –10
BW = 80kHz VOUT = 4VP-P
Figure 6-43 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = –1
BW = 80kHz VOUT = 1.4VP-P
Figure 6-45 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 3.3V VCM = 1.65V G = –1
BW = 80kHz VOUT = 1VP-P
Figure 6-47 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Amplitude
VS = 3.3V VCM = 1.65V f = 1kHz
BW = 80kHz
Figure 6-49 THD + N vs Amplitude
OPA4323 OPA323 OPA2323 Quiescent Current vs Common-Mode Voltage
V+ = 2.75V, V– = –2.75V
Figure 6-51 Quiescent Current vs Common-Mode Voltage
OPA4323 OPA323 OPA2323 Small Signal Overshoot vs Capacitive Load
G = 1 VIN = 100mVpp
Figure 6-53 Small Signal Overshoot vs Capacitive Load
OPA4323 OPA323 OPA2323 Phase Margin vs Capacitive Load
Figure 6-55 Phase Margin vs Capacitive Load
OPA4323 OPA323 OPA2323 Overload Recovery
G = –10 VIN = 600mVPP
Figure 6-57 Overload Recovery
OPA4323 OPA323 OPA2323 Small-Signal Step Response
G = 1 VIN = 10mVPP CL = 10pF
Figure 6-59 Small-Signal Step Response
OPA4323 OPA323 OPA2323 Small-Signal Step Response
G = –1 VIN = 10mVPP CL = 10pF
Figure 6-61 Small-Signal Step Response
OPA4323 OPA323 OPA2323 Large-Signal Step Response
G = 1 VIN = 4VPP CL = 10pF
Figure 6-63 Large-Signal Step Response
OPA4323 OPA323 OPA2323 Large-Signal Step Response
G = –1 VIN = 4VPP CL = 10pF
Figure 6-65 Large-Signal Step Response
OPA4323 OPA323 OPA2323 Short-Circuit Current vs Temperature
VS = 5.5V
Figure 6-67 Short-Circuit Current vs Temperature
OPA4323 OPA323 OPA2323 Electromagnetic Interference Rejection Ratio Referred to Noninverting Input (EMIRR+) vs FrequencyFigure 6-69 Electromagnetic Interference Rejection Ratio Referred to Noninverting Input (EMIRR+) vs Frequency
OPA4323 OPA323 OPA2323 Input Offset Voltage Drift Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = –40°C to +125°C
No. of devices = 36
Mean = 0.28µV/°C Sigma = 0.22µV/°C
Figure 6-2 Input Offset Voltage Drift Distribution Histogram
OPA4323 OPA323 OPA2323 Input Bias Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 85°C
No. of devices = 90 Mean = 13pA Sigma = 2pA
Figure 6-4 Input Bias Current Distribution Histogram
OPA4323 OPA323 OPA2323 Input Offset Current Distribution Histogram
VS = 5.5V VCM = VS / 2 TA = 85°C
No. of devices = 45 Mean = 1.1pA Sigma = 2.1pA
Figure 6-6 Input Offset Current Distribution Histogram
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Supply Voltage
VCM = (V–) TA = –40°C, 85°C and 125°C
Figure 6-8 Input Offset Voltage vs Supply Voltage
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Common-Mode
V+ = 2.75V, V– = –2.75V No. of devices = 45
(V–) – 0.25V < VCM < (V+) + 0.15V
Figure 6-10 Input Offset Voltage vs Common-Mode
OPA4323 OPA323 OPA2323 Input Offset Voltage vs Common-Mode
V+ = 0.9V, V– = –0.9V No. of devices = 45
(V–) – 0.1V < VCM < (V+) + 0.1V
Figure 6-12 Input Offset Voltage vs Common-Mode
OPA4323 OPA323 OPA2323 IB vs Temperature
VS = 5.5V, VCM = VS/2
Figure 6-14 IB vs Temperature
OPA4323 OPA323 OPA2323 IB vs Common-Mode Voltage
V+ = 2.5V, V– = –2.5V, VCM = VS/2
Figure 6-16 IB vs Common-Mode Voltage
OPA4323 OPA323 OPA2323 Open-Loop Gain vs Temperature
Figure 6-18 Open-Loop Gain vs Temperature
OPA4323 OPA323 OPA2323 Open-Loop Output Impedance vs FrequencyFigure 6-20 Open-Loop Output Impedance vs Frequency
OPA4323 OPA323 OPA2323 Closed-Loop Gain vs Frequency
G = 1000 CL = 10pF
Figure 6-22 Closed-Loop Gain vs Frequency
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sinking)
V+ = 2.75V, V– = –2.75V
Figure 6-24 Output Voltage Swing vs Output Current (Sinking)
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sinking)
V+ = 1.65V, V– = –1.65V
Figure 6-26 Output Voltage Swing vs Output Current (Sinking)
OPA4323 OPA323 OPA2323 Output Voltage Swing vs Output Current (Sinking)
V+ = 0.9V, V– = –0.9V
Figure 6-28 Output Voltage Swing vs Output Current (Sinking)
OPA4323 OPA323 OPA2323 PSRR– vs Frequency
Figure 6-30 PSRR– vs Frequency
OPA4323 OPA323 OPA2323 CMRR vs FrequencyFigure 6-32 CMRR vs Frequency
OPA4323 OPA323 OPA2323 0.1Hz to 10Hz Voltage Noise in Time Domain
Figure 6-34 0.1Hz to 10Hz Voltage Noise in Time Domain
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = 1
BW = 80kHz VOUT = 2VP-P
Figure 6-36 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = 10
BW = 80kHz VOUT = 2VP-P
Figure 6-38 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = 1
BW = 80kHz VOUT = 4VP-P
Figure 6-40 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = 10
BW = 80kHz VOUT = 4VP-P
Figure 6-42 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 5V VCM = 2.5V G = 1
BW = 80kHz VOUT = 1.4VP-P
Figure 6-44 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Frequency
VS = 3.3V VCM = 1.65V G = 1
BW = 80kHz VOUT = 1VP-P
Figure 6-46 THD + N vs Frequency
OPA4323 OPA323 OPA2323 THD + N vs Amplitude
VS = 5V VCM = 2.5V f = 1kHz
BW = 80kHz
Figure 6-48 THD + N vs Amplitude
OPA4323 OPA323 OPA2323 Quiescent Current vs Supply Voltage
VCM = VS/2
Figure 6-50 Quiescent Current vs Supply Voltage
OPA4323 OPA323 OPA2323 Quiescent Current vs Temperature
VCM = VS/2
Figure 6-52 Quiescent Current vs Temperature
OPA4323 OPA323 OPA2323 Small Signal Overshoot vs Capacitive Load
G = 1 VIN = 100mVpp
Figure 6-54 Small Signal Overshoot vs Capacitive Load
OPA4323 OPA323 OPA2323 No Phase Reversal
G = 1 VIN = 6VPP
Figure 6-56 No Phase Reversal
OPA4323 OPA323 OPA2323 Overload Recovery
G = –10 VIN = 600mVPP
Figure 6-58 Overload Recovery
OPA4323 OPA323 OPA2323 Small-Signal Step Response
G = 1 VIN = 100mVPP CL = 10pF
Figure 6-60 Small-Signal Step Response
OPA4323 OPA323 OPA2323 Small-Signal Step Response
G = –1 VIN = 100mVPP CL = 10pF
Figure 6-62 Small-Signal Step Response
OPA4323 OPA323 OPA2323 Large-Signal Step Response
G = 1 VIN = 2VPP CL = 10pF
RL = 2kΩ
Figure 6-64 Large-Signal Step Response
OPA4323 OPA323 OPA2323 Large-Signal Step Response
G = –1 VIN = 2VPP CL = 10pF
RL = 2kΩ
Figure 6-66 Large-Signal Step Response
OPA4323 OPA323 OPA2323 Short-Circuit Current vs Temperature
VS = 1.8V
Figure 6-68 Short-Circuit Current vs Temperature
OPA4323 OPA323 OPA2323 Channel SeparationFigure 6-70 Channel Separation