ZHCSCM7E July   2018  – February 2022 REF2025 , REF2030 , REF2033 , REF2041

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Solder Heat Shift
    2. 8.2 Long-Term Stability
    3. 8.3 Thermal Hysteresis
    4. 8.4 Noise Performance
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 VREF and VBIAS Tracking
      2. 9.3.2 Low Temperature Drift
      3. 9.3.3 Load Current
    4. 9.4 Device Functional Modes
  10. 10Applications and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Low-Side, Current-Sensing Application
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Shunt Resistor
          2. 10.2.1.2.2 Differential Amplifier
          3. 10.2.1.2.3 Voltage Reference
          4. 10.2.1.2.4 Results
        3. 10.2.1.3 Application Curves
  11. 11Power-Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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订购信息

7.6 Typical Characteristics

At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted.

GUID-4BBC9474-5CEB-4031-A6D0-BEA229A776F4-low.png
Figure 7-1 Initial Accuracy Distribution (VREF)
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Figure 7-3 Initial Accuracy Distribution (VBIAS)
GUID-9E285497-9F86-43E4-8C54-AC85053D2CE8-low.png
Figure 7-5 VREF – 2 × VBIAS Distribution
GUID-5D787542-9E03-43F6-BD42-318F4983D850-low.png
–40°C ≤ TA ≤ 125°C
Figure 7-7 Distribution of VREF – 2 × VBIAS Drift Tracking Over Temperature
GUID-BFD500EB-6FF5-4DD4-B37A-AB54592DADD9-low.png
Refer to the Section 8.1 section for more information.
Figure 7-9 Solder Heat Shift Distribution (VBIAS)
GUID-0902CADA-3D9C-4B53-B795-C65FD19A3B5B-low.png
Figure 7-11 VREF – 2 × VBIAS Tracking vs Temperature
GUID-78885D2B-3D14-47D3-8FC5-8F4E5158983A-low.png
VBIAS output
Figure 7-13 Output Voltage Change vs Load Current (VBIAS)
GUID-58442CC8-805E-49CE-916D-F207D1891C44-low.png
VBIAS output IL = 20 mA
Figure 7-15 Load Regulation Sourcing vs Temperature (VBIAS)
GUID-E49BCC18-B950-4040-BD93-7A402624C3A4-low.png
VBIAS output IL = –20 mA
Figure 7-17 Load Regulation Sinking vs Temperature (VBIAS)
GUID-2D21E01D-23B3-48B4-9B91-F12673DB0264-low.png
VBIAS output
Figure 7-19 Line Regulation vs Temperature (VBIAS)
GUID-C8D756B5-F975-48EE-A5E9-A6024510E7CD-low.png
CL = 10 µF
Figure 7-21 Power-Supply Rejection Ratio vs Frequency
GUID-AF53387C-4808-48B7-BC32-7EBF65FDD617-low.png
CL = 10 µF
Figure 7-23 Line Transient Response
GUID-86EC0B1D-37FD-48A5-B60D-975E7F3BABFF-low.png
CL = 10 µF IL = ±1-mA step
Figure 7-25 Load Transient Response
GUID-735BF257-216B-4717-97C2-ED50A0CA5974-low.png
CL = 10 µF IL = ±20-mA step
Figure 7-27 Load Transient Response
GUID-D63F2C91-61EE-47B4-91A9-FA546C45DF4A-low.png
CL = 1 µF
Figure 7-29 Turn-On Settling Time
GUID-EF198F6D-2724-47A8-86C8-49C6FAA931F5-low.png
Figure 7-31 Quiescent Current vs Temperature
GUID-B4DEC742-24B8-4236-AF10-600DFDDC555F-low.png
VREF output
Figure 7-33 0.1-Hz to 10-Hz Noise (VREF)
GUID-EA6CE65A-8DFF-4C15-B3E4-02AB993DB744-low.png
Figure 7-35 Output Voltage Noise Spectrum
GUID-D7B0B206-6D10-40D6-826A-274C94F187A9-low.png
VBIAS output
Figure 7-37 Output Impedance vs Frequency (VBIAS)
GUID-1AF10B89-8BCE-40E5-9D95-C621DF8FC9EE-low.png
Figure 7-39 Thermal Hysteresis Distribution (VBIAS)
GUID-96AEA8BD-45EA-4E27-A606-1C92129BB5F2-low.png
–40°C ≤ TA ≤ 125°C
Figure 7-2 Drift Distribution (VREF)
GUID-627367D2-EBF4-40AD-AC06-20006E2414B4-low.png
–40°C ≤ TA ≤ 125°C
Figure 7-4 Drift Distribution (VBIAS)
GUID-57B2709F-2534-4045-8537-73F7446E7D7D-low.png
–40°C ≤ TA ≤ 85°C
Figure 7-6 Distribution of VREF – 2 × VBIAS Drift Tracking Over Temperature
GUID-70A0DE97-2A06-4C89-9487-524E6D92946A-low.png
Refer to the Section 8.1 section for more information.
Figure 7-8 Solder Heat Shift Distribution (VREF)
GUID-2F48F8E4-2F91-4784-A0F6-9684489F2ED6-low.png
Figure 7-10 Output Voltage Accuracy (VREF) vs Temperature
GUID-3BEFBC7C-C018-4E91-A621-C29B7D14E2B1-low.png
VREF output
Figure 7-12 Output Voltage Change vs Load Current (VREF)
GUID-BA54CFB9-BCF4-49EB-9213-5038836D8C48-low.png
VREF output IL = 20 mA
Figure 7-14 Load Regulation Sourcing vs Temperature (VREF)
GUID-0FA4EA82-0732-4251-BD0D-9EBDA899CB2F-low.png
VREF output IL = –20 mA
Figure 7-16 Load Regulation Sinking vs Temperature (VREF)
GUID-3AFFB0DE-E609-4E38-BF90-6F8162642B06-low.png
VREF output
Figure 7-18 Line Regulation vs Temperature (VREF)
GUID-0038DCFF-89B7-4D34-AF04-BF23AFC7FE6F-low.png
CL = 0 µF
Figure 7-20 Power-Supply Rejection Ratio vs Frequency
GUID-0F6E5C48-1E92-4381-B429-71298B9170AB-low.png
CL = 1 µF
Figure 7-22 Line Transient Response
GUID-E3A565AC-05D7-4302-B696-06F4D3673802-low.png
CL = 1 µF IL = ±1-mA step
Figure 7-24 Load Transient Response
GUID-737D426D-1366-4758-B2AF-808BECD542B9-low.png
CL = 1 µF IL = ±20-mA step
Figure 7-26 Load Transient Response
GUID-108BDC1B-0D5B-4CA0-8B64-CF7E71B0262A-low.png
Figure 7-28 Minimum Dropout Voltage vs Load Current
GUID-11605B41-B67A-4FD4-8867-EC3650391A3C-low.png
CL = 10 µF
Figure 7-30 Turn-On Settling Time
GUID-9CD491E6-29A2-404F-BB49-46624469C171-low.png
Figure 7-32 Quiescent Current vs Input Voltage
GUID-2FBC493C-20D1-406A-82CC-FAB090FE830D-low.png
VBIAS output
Figure 7-34 0.1-Hz to 10-Hz Noise (VBIAS)
GUID-6C249BE6-A092-4CEA-BE90-1163AAEB4D00-low.png
VREF output
Figure 7-36 Output Impedance vs Frequency (VREF)
GUID-D7156060-C731-421B-AB43-432236B2DD83-low.png
Figure 7-38 Thermal Hysteresis Distribution (VREF)
Figure 7-40 Long-Term Stability (First 1000 hours)