SBOS855E January   2017  – December 2022 OPA1677 , OPA1678 , OPA1679

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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: OPA1677
    5. 6.5 Thermal Information: OPA1678
    6. 6.6 Thermal Information: OPA1679
    7. 6.7 Electrical Characteristics
    8. 6.8 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 Phase Reversal Protection
      2. 7.3.2 Electrical Overstress
      3. 7.3.3 EMI Rejection Ratio (EMIRR)
        1. 7.3.3.1 EMIRR IN+ Test Configuration
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operating Voltage
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Capacitive Loads
    2. 8.2 Typical Applications
      1. 8.2.1 Phantom-Powered Preamplifier for Piezo Contact Microphones
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Power Supply
          2. 8.2.1.2.2 Input Network
          3. 8.2.1.2.3 Gain
          4. 8.2.1.2.4 Output Network
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Phono Preamplifier for Moving Magnet Cartridges
      3. 8.2.3 Single-Supply Electret Microphone Preamplifier
      4. 8.2.4 Composite Headphone Amplifier
      5. 8.2.5 Differential Line Receiver With AC-Coupled Outputs
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Power Dissipation
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 PSpice® for TI
        2. 9.1.1.2 TINA-TI™ Simulation Software (Free Download)
        3. 9.1.1.3 DIP-Adapter-EVM
        4. 9.1.1.4 DIYAMP-EVM
        5. 9.1.1.5 TI Reference Designs
        6. 9.1.1.6 Filter Design Tool
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

6.8 Typical Characteristics

at TA = 25°C, VS = ±15 V, and RL = 2 kΩ, (unless otherwise noted)

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Figure 6-1 Input Voltage Noise Density vs Frequency
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Figure 6-3 Voltage Noise vs Source Resistance
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CL = 10 pF
Figure 6-5 Open-Loop Gain and Phase vs Frequency
GUID-60139F4F-FEB3-4810-8C0D-9B30FDAA312B-low.png
VOUT = 3 VRMSRL = 2 kΩBandwidth = 80 kHz
Figure 6-7 THD+N Ratio vs Frequency
GUID-EAF9154E-2965-42BB-9C29-4A80072A8C63-low.png
f = 1 kHzRL = 2 kΩBandwidth = 80 kHz
Figure 6-9 THD+N Ratio vs Output Amplitude
GUID-CB8AC2EB-8B81-41AF-9FCD-CC2921C2872B-low.png
VOUT = 3 VRMSGain = 1 V/V
Figure 6-11 Channel Separation vs Frequency
GUID-4B328E75-61A6-4157-8BCD-F2D01DCBF79D-low.png
Gain = 1 V/VCL = 100 pF
Figure 6-13 Small-Signal Step Response (100 mV)
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Gain = +1 V/VRF = 2 kΩCL = 100 pF
Figure 6-15 Large-Signal Step Response
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Figure 6-17 Open-Loop Gain vs Temperature
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Figure 6-19 IB and IOS vs Common-Mode Voltage
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Figure 6-21 Supply Current vs Supply Voltage
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Figure 6-23 Output Voltage vs Output Current (Sinking)
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G = 1
Figure 6-25 Phase Margin vs Capacitive Load
GUID-B35BBD55-9EE9-42B6-BBBB-403922ECA7DC-low.png
Gain = –10 V/V
Figure 6-27 Negative Overload Recovery
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Figure 6-29 Open-Loop Output Impedance vs Frequency
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Figure 6-2 0.1-Hz to 10-Hz Noise
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Figure 6-4 Maximum Output Voltage vs Frequency
GUID-8264A6FB-2919-40F7-84D2-10EAF100AB66-low.png
CL = 10 pF
Figure 6-6 Closed-Loop Gain vs Frequency
GUID-9A824B6A-DFEC-41DC-B48D-55ED4FC3A1B7-low.png
VOUT = 3 VRMSRL = 600 ΩBandwidth = 80 kHz
Figure 6-8 THD+N Ratio vs Frequency
GUID-EE6C1718-1032-4755-B783-1A7784218DD4-low.png
f = 1 kHzRL = 600 ΩBandwidth = 80 kHz
Figure 6-10 THD+N Ratio vs Output Amplitude
GUID-277CBCE9-8727-40ED-A0BC-7C621C161C90-low.png
 
Figure 6-12 CMRR and PSRR vs Frequency (Referred to Input)
GUID-5E75F68A-65F8-4EF3-AEB9-1E9DF61425FE-low.png
Gain = –1 V/VCL = 100 pF
Figure 6-14 Small-Signal Step Response (100 mV)
GUID-8A2B234E-D82F-4283-B045-28CD2FEBED73-low.png
Gain = –1 V/VCL = 100 pF
Figure 6-16 Large-Signal Step Response
GUID-EFFB1423-2145-402A-BC3E-4F787FD21CAD-low.png
 
Figure 6-18 IB and IOS vs Temperature
GUID-EADA71D1-3876-4F4D-81C6-D0A0E7FA6449-low.png
 
Figure 6-20 Supply Current vs Temperature
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Figure 6-22 Output Voltage vs Output Current (Sourcing)
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Figure 6-24 Short-Circuit Current vs Temperature
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G = 1
Figure 6-26 Percent Overshoot vs Capacitive Load
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Gain = –10 V/V
Figure 6-28 Positive Overload Recovery
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Gain = 1 V/V
Figure 6-30 No Phase Reversal