SLLSEU0C November   2016  – February 2020 ISO7740-Q1 , ISO7741-Q1 , ISO7742-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Simplified Schematic
  4. Revision History
  5. Description Continued
  6. Pin Configuration and Functions
    1.     Pin Functions
  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  Power Rating
    6. 7.6  Insulation Specifications
    7. 7.7  Safety-Related Certifications
    8. 7.8  Safety Limiting Values
    9. 7.9  Electrical Characteristics—5-V Supply
    10. 7.10 Supply Current Characteristics—5-V Supply
    11. 7.11 Electrical Characteristics—3.3-V Supply
    12. 7.12 Supply Current Characteristics—3.3-V Supply
    13. 7.13 Electrical Characteristics—2.5-V Supply
    14. 7.14 Supply Current Characteristics—2.5-V Supply
    15. 7.15 Switching Characteristics—5-V Supply
    16. 7.16 Switching Characteristics—3.3-V Supply
    17. 7.17 Switching Characteristics—2.5-V Supply
    18. 7.18 Insulation Characteristics Curves
    19. 7.19 Typical Characteristics
  8. Parameter Measurement Information
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Electromagnetic Compatibility (EMC) Considerations
    4. 9.4 Device Functional Modes
      1. 9.4.1 Device I/O Schematics
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
        1. 10.2.3.1 Insulation Lifetime
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 PCB Material
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Community Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBQ|16
  • DWW|16
  • DW|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Device Functional Modes

Table 2 lists the functional modes for the ISO774x-Q1 devices.

Table 2. Function Table(1)

VCCI VCCO INPUT
(INx)(3)
OUTPUT ENABLE
(ENx)
OUTPUT
(OUTx)
COMMENTS
PU PU H H or open H Normal Operation:
A channel output assumes the logic state of its input.
L H or open L
Open H or open Default Default mode: When INx is open, the corresponding channel output goes to its default logic state. Default is High for ISO774x-Q1 and Low for ISO774x-Q1 with F suffix.
X PU X L Z A low value of output enable causes the outputs to be high-impedance.
PD PU X H or open Default Default mode: When VCCI is unpowered, a channel output assumes the logic state based on the selected default option. Default is High for ISO774x-Q1 and Low for ISO774x-Q1 with F suffix.
When VCCI transitions from unpowered to powered-up, a channel output assumes the logic state of the input.
When VCCI transitions from powered-up to unpowered, channel output assumes the selected default state.
X PD X X Undetermined When VCCO is unpowered, a channel output is undetermined(2).
When VCCO transitions from unpowered to powered-up, a channel output assumes the logic state of the input.
VCCI = Input-side VCC; VCCO = Output-side VCC; PU = Powered up (VCC ≥ 2.25 V); PD = Powered down (VCC ≤ 1.7 V); X = Irrelevant; H = High level; L = Low level ; Z = High Impedance
The outputs are in undetermined state when 1.7 V < VCCI, VCCO < 2.25 V.
A strongly driven input signal can weakly power the floating VCC through an internal protection diode and cause undetermined output.