SNAS365G May   2006  – June 2016 DAC082S085

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Description (continued)
  6. Pin Configuration and 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 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
      1. 8.2.1 Feature Description
        1. 8.2.1.1 DAC Architecture
        2. 8.2.1.2 Output Amplifiers
        3. 8.2.1.3 Reference Voltage
        4. 8.2.1.4 Power-On Reset
    3. 8.3 Device Functional Modes
      1. 8.3.1 Power-Down Modes
    4. 8.4 Programming
      1. 8.4.1 Serial Interface
      2. 8.4.2 Input Shift Register
      3. 8.4.3 DSP and Microprocessor Interfacing
        1. 8.4.3.1 ADSP-2101/ADSP2103 Interfacing
        2. 8.4.3.2 80C51/80L51 Interface
        3. 8.4.3.3 68HC11 Interface
        4. 8.4.3.4 Microwire Interface
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Bipolar Operation
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 Using References as Power Supplies
      1. 10.1.1 LM4130
      2. 10.1.2 LM4050
      3. 10.1.3 LP3985
      4. 10.1.4 LP2980
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Device Nomenclature
        1. 12.1.1.1 Specification Definitions
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resource
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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5 Description (continued)

The reference for the DAC082S085 serves both channels and can vary in voltage between 1 V and VA, providing the widest possible output dynamic range. The DAC082S085 has a 16-bit input shift register that controls the outputs to be updated, the mode of operation, the power-down condition, and the binary input data. Both outputs can be updated simultaneously or individually depending on the setting of the two mode of operation bits.

A power-on reset circuit ensures that the DAC output powers up to 0 V and remains there until there is a valid write to the device. A power-down feature reduces power consumption to less than a microWatt with three different termination options.

The low power consumption and small packages of the DAC082S085 make it an excellent choice for use in battery-operated equipment.

The DAC082S085 is one of a family of pin-compatible DACs, including the 10-bit DAC102S085 and the 12-bit DAC124S085. The DAC082S085 operates over the extended industrial temperature range of −40°C to 105°C.