SLAS429E April   2005  – June 2017 DAC8551

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Characteristics
    7. 6.7 Typical Characteristics
      1. 6.7.1 VDD = 5 V
      2. 6.7.2 VDD = 2.7 V
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 DAC Section
        1. 7.3.1.1 Resistor String
        2. 7.3.1.2 Output Amplifier
      2. 7.3.2 Power-On Reset
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-Down Modes
    5. 7.5 Programming
      1. 7.5.1 Serial Interface
      2. 7.5.2 Input Shift Register
      3. 7.5.3 SYNC Interrupt
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Bipolar Operation Using the DAC8551
    2. 8.2 Typical Application
      1. 8.2.1 Loop-Powered, 2-Wire, 4-mA to 20-mA Transmitter With XTR116
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Using the REF02 as a Power Supply for the DAC8551
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
    3. 8.3 System Examples
      1. 8.3.1 Microprocessor Interfacing
        1. 8.3.1.1 DAC8551 to 8051 Interface
        2. 8.3.1.2 DAC8551 to Microwire Interface
        3. 8.3.1.3 DAC8551 to 68HC11 Interface
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

9 Power Supply Recommendations

The DAC8551 can operate within the specified supply voltage range of 2.7 V to 5.5 V. The power applied to VDD should be well-regulated and low-noise. Switching power supplies and DCDC converters often have high-frequency glitches or spikes riding on the output voltage. In addition, digital components can create similar high-frequency spikes. This noise can easily couple into the DAC output voltage through various paths between the power connections and analog output. TI recommends including a 1-µF to 10-µF capacitor and 0.1-µF bypass capacitor in order to further minimize noise from the power supply. The current consumption on the VDD pin, the short-circuit current limit, and the load current for the device is listed in Electrical Characteristics. The power supply must meet the aforementioned current requirements.
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