SLVSJ01 June   2025 TXG8122-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions—TXG8122-Q1
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Electrical Characteristics
    5. 5.5  Supply Current Characteristics
    6. 5.6  Switching Characteristics, VCCA = 3.3 ± 0.3V
    7. 5.7  Switching Characteristics, VCCA = 5 ± 0.5V
    8. 5.8  Electrical Characteristics (85°C)
    9. 5.9  Supply Current Characteristics (85°C)
    10. 5.10 Switching Characteristics, VCCA = 3.3 ± 0.3V (85°C)
    11. 5.11 Switching Characteristics, VCCA = 5 ± 0.5V (85°C)
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Bidirectional Level Translation
    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 Design Requirements
    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 Device Support
      1. 8.1.1 Regulatory Requirements
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.5 Supply Current Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC1 VCC2 Operating free-air temperature (TA) UNIT
–40°C to 125°C
MIN TYP MAX
ICC1 Supply current, Side 1 SDA1/SCL1 = VCC1 3V – 5.5V 2.25V – 5.5V 2.8 3.31 mA
SDA1/SCL1 = GND1 2.9 3.55 mA
SDA1/SCL1 = 400kHz square wave 3.1 3.72 mA
SDA1/SCL1 = 1MHz square wave 3.2 3.9 mA
ICC2 Supply current, Side 2 SDA2/SCL2 = VCC2 3V – 5.5V 2.25V – 5.5V 0.5 0.68 mA
SDA2/SCL2 = GND2 0.7 0.91 mA
SDA2/SCL2 = 400kHz square wave 0.7 0.92 mA
SDA2/SCL2 = 1MHz square wave 1 1.19 mA
ICC1 Supply current, Side 1 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 2.5V 2.5 3.08 mA
Supply current, Side 1 VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2,
R1 and R2 = Open, C1 and C2 = Open		 2.7 3.18 mA
ICC2 Supply current, Side 2 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 0.6 0.79 mA
Supply current, Side 2 VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2, R1 and R2 = Open, C1 and C2 = Open 0.5 0.65 mA
ICC1 Supply current, Side 1 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 3.3V 3.3V 2.7 3.13 mA
VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2,
R1 and R2 = Open, C1 and C2 = Open 		2.8 3.19 mA
ICC2 Supply current, Side 2 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 0.7 0.82 mA
VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2, R1 and R2 = Open, C1 and C2 = Open 0.5 0.65 mA
ICC1 Supply current, Side 1 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 5V 5V 2.8 3.43 mA
Supply current, Side 1 VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2,
R1 and R2 = Open, C1 and C2 = Open		 2.8 3.26 mA
ICC2 Supply current, Side 2 VSDA1, VSCL1 = GND1, VSDA2, VSCL2 = GND2, R1 and R2 = Open, C1 and C2 = Open 0.7 0.89 mA
Supply current, Side 2 VSDA1, VSCL1 = VCC1, VSDA2, VSCL2 = VCC2, R1 and R2 = Open, C1 and C2 = Open 0.5 0.67 mA