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

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted) (1)
MIN MAX UNIT
VCC1 Supply voltage -  VCC1 to GND1 3.0 5.5 V
VCC2 Supply voltage -  VCC2 to GND2 2.25 5.5 V
VGND1 to VGND2 Voltage Between GND1 and GND2 -80 80 V
VUVLO+ Positive-Going Undervoltage Lockout Voltage Side 1 V
VUVLO+ Positive-Going Undervoltage Lockout Voltage Side 2 V
VUVLO- Negative-Going Undervoltage Lockout Voltage Side 1 V
VUVLO- Negative-Going Undervoltage Lockout Voltage Side 2 V
VUVLO_Hys Undervoltage Lockout Hysteresis Side 1 V
VUVLO_Hys Undervoltage Lockout Hysteresis Side 2 V
VSDA1, VSCL1 I2C input and output signal voltages Side 1 VCC1 V
VSDA2, VSCL2 I2C input and output signal voltages Side 2 VCC2 V
VIL1 Low-level input voltage Side 1 606 mV
VIH1 High-level input voltage Side 1 0.7 x VCC1 V
VIL2 Low-level input voltage Side 2 0.35 x VCC2 V
VIH2 High-level input voltage Side 2 0.47 x VCC2 V
IOL1 Low-level output current Side 1 3.5 mA
IOL2 Low-level output current Side 2 50 mA
C1 Capacitive load Side 1 80 pF
C2 Capacitive load Side 2 550 pF
fMAX I2C operating frequency 1 MHz
TA Operating free-air temperature –40 125 °C
(1) All control inputs and data I/Os of this device have weak pulldowns to ensure the line is not floating when undefined external to the device. The input leakage from these weak pulldowns is defined by the II specification indicated under Section 5.4.