SBOSA00B December   2019  – August 2020 OPA1637

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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. Parameter Measurement Information
    1. 7.1 Characterization Configuration
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Super-Beta Input Bipolar Transistors
      2. 8.3.2 Power Down
      3. 8.3.3 Flexible Gain Setting
      4. 8.3.4 Amplifier Overload Power Limit
    4. 8.4 Device Functional Modes
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Driving Capacitive Loads
      2. 9.1.2 Operating the Power-Down Feature
      3. 9.1.3 I/O Headroom Considerations
      4. 9.1.4 Noise Performance
    2. 9.2 Typical Applications
      1. 9.2.1 Current-Output Audio DAC Buffer to Class-D Amplifier
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 An MFB Filter Driving an ADC Application
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 Differential Microphone Input to Line Level
        1. 9.2.3.1 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Board Layout Recommendations
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

at VS = ±18 V, TA = 25°C, VVOCM = VVICM = 0 V, RF = 2 kΩ, RL = 10 kΩ, VOUT = 2 VPP, G = 1 V/V, and V PD = VS+ (unless otherwise noted)

GUID-EC2117BE-947C-4C90-9F07-5D75CC4715D7-low.gifFigure 6-1 Input-Referred Voltage Noise vs Frequency
GUID-A88905DC-4564-4D85-B507-7CC6788766E0-low.gif
VOUT = 3 VRMS, VS = ±15 V
Figure 6-3 Total Harmonic Distortion + Noise vs Frequency
GUID-8C271B02-A020-48C0-833A-70BB182B7964-low.gif
VS = ±15 V, CL = 50 pF
Figure 6-5 Open Loop Gain vs Frequency
GUID-D91BD276-F8E3-4A13-A884-395F5D389B68-low.gif
VS = ±15 V
Figure 6-7 Common Mode Rejection Ratio vs Frequency
GUID-BE5F11DE-F75C-44DB-B2E5-34A2EF4EC276-low.gif
VS = ±15 V
Figure 6-9 Power Supply Rejection Ratio vs Frequency
GUID-9BA291B9-169E-438B-B61C-1BB3785BF118-low.gif
VS = ±15 V
Figure 6-11 Maximum Output Voltage vs Frequency
GUID-6D9BCA37-A589-4B8E-BBE9-1D5FC6DCB32C-low.gif
VS = ±1.5 V
Figure 6-13 Input Offset Voltage Histogram
GUID-A863A24A-A975-4219-8F50-1FC5BD53201F-low.gif
VS = ±15 V
Figure 6-15 Input Offset Voltage Drift Histogram
GUID-D7CAC682-4F2E-4A0B-8D2A-DB6026F02B4C-low.gif
VS = ±18 V, VOCM = 0 V
Figure 6-17 Output Common Mode Voltage Offset
GUID-7CA49067-C25E-42CB-A5D9-B6F0C18B6D2D-low.gif
 
Figure 6-19 Quiescent Current vs Temperature
GUID-DD371268-4FA9-4843-88EF-42A937DD91BD-low.gif
 
Figure 6-21 Input Offset Voltage vs Input Common-Mode Voltage
GUID-1AC0EBF8-B9EF-443F-A5F4-ABEE64BE968A-low.gif
 
Figure 6-23 Input Bias Current vs Supply Voltage
GUID-800288A2-C32B-48A9-865E-FC67D8DE222F-low.gif
 
Figure 6-25 Output Voltage vs Output Current
GUID-4A0F73F0-0D97-489E-9BC0-4EDC1CC9B5A7-low.gif
AV = 1
Figure 6-27 Small-Signal Overshoot vs Capacitive Load
GUID-26847826-B321-4553-90BD-7D1D263EA7EC-low.gif
 
Figure 6-29 Output Slew Rate vs Supply Voltage
GUID-50BAD74A-F443-4BFD-B2DB-EA2DF298BADC-low.gif
 
Figure 6-31 Large-Signal Step Response
GUID-1D3BEBAA-C3F7-49B7-909B-AE3C7ED9B6FF-low.gif
 
Figure 6-33 Output Common-Mode Step Response, Falling
GUID-82BAC9AB-12AA-4F72-B4AA-9A633993BD8A-low.gif
 
Figure 6-35 Small-Signal Step Response, Rising
GUID-41A36601-F315-473F-A910-D0D7568132A8-low.gif
 
Figure 6-37 Power-Down Time (PD Low to High)
GUID-23FC9294-BC12-4E61-9461-E62043FF3674-low.gif
 
Figure 6-39 Output Negative Overload Recovery
GUID-E6B785E4-22F7-4F51-8009-C941AF6E29F5-low.gifFigure 6-2 Current Noise vs Frequency
GUID-8AC0CC0E-3CA8-40D9-901A-7C0656657766-low.gif
f = 1 kHz, VS = ±15 V
Figure 6-4 Total Harmonic Noise + Distortion vs Amplitude
GUID-F1E1428C-6601-435E-8EE3-3177E676B481-low.gif
VS = ±15 V, CL = 50 pF
Figure 6-6 Closed-Loop Gain vs Frequency
GUID-C79ACD3F-7197-48DB-8E21-ADB38C655669-low.gif
 
Figure 6-8 Common Mode Rejection Ratio vs Temperature
GUID-C4E474D7-2CE2-4A4F-87DE-872B7B6BC5DD-low.gif
 
Figure 6-10 Power Supply Rejection Ratio vs Temperature
GUID-85EC3377-B3BE-4E6A-873D-B3820DED7441-low.gif
VS = ±15 V
Figure 6-12 Output Impedance vs Frequency
GUID-D8514CA5-3FAF-4542-AACD-22B1D9723047-low.gif
VS = ±18 V
Figure 6-14 Input Offset Voltage Histogram
GUID-2F37545A-4724-42A5-9C16-5FD353A62FDD-low.gif
VS = ±18 V, VOCM = floating
Figure 6-16 Output Common Mode Voltage Offset
GUID-010C0183-63E1-46FA-8CEC-5012EBE4A118-low.gif
 
Figure 6-18 Quiescent Current vs Supply Voltage
GUID-A974ACFC-27B6-4683-8433-FD71A93E7876-low.gif
 
Figure 6-20 Quiescent Current vs Power-Down Delta from Supply Voltage
GUID-028DEA90-5AF5-4DA0-BBD1-B8662E8D1A36-low.gif
 
Figure 6-22 Input Bias Current vs Input Common-Mode Voltage
GUID-A9BBF25B-0E2F-4AB0-AD01-38AC1F12EBF8-low.gif
 
Figure 6-24 Output Voltage vs Output Current
GUID-E28DBD9A-7B75-4D27-A655-029C33AFC88D-low.gif
 
Figure 6-26 Open-Loop Gain vs Ouput Delta From Supply
GUID-03A5ABEE-E574-4BE4-97BC-C61DD6651324-low.gif
AV = 10
Figure 6-28 Small-Signal Overshoot vs Capacitive Load
GUID-6D7F23F3-7C35-4F9F-82F1-0C906481BE82-low.gif
 
Figure 6-30 Short-Circuit Current vs Temperature
GUID-460E79BB-5D72-4C12-8832-A987A0C5FAB2-low.gif
 
Figure 6-32 Output Common-Mode Step Response, Rising
GUID-19C669A8-07BF-4125-8BDB-0B8030A98A2A-low.gif
 
Figure 6-34 Small-Signal Step Response, Falling
GUID-54019164-30D4-4F41-A592-44FB0E9667D4-low.gif
 
Figure 6-36 Output Settling Time to ±0.01%
GUID-31C174E0-977F-4403-A7A6-90302F5F3605-low.gif
 
Figure 6-38 Power-Down Time (PD High to Low)
GUID-F14D2850-BA0D-4F32-8500-B83523C5E7DA-low.gif
 
Figure 6-40 Output Positive Overload Recovery