SBAA631 January   2025 DAC80508 , INA592 , XTR111 , XTR300 , XTR305

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Analog Output Module Specification
  6. 3Analog Output Module Structure
  7. 4Multi-Channel Output Architectures
    1. 4.1 Fully Integrated DAC Architecture
    2. 4.2 Low Voltage DAC Plus an Output Buffer
    3. 4.3 Track and Hold Multiplexed Output
  8. 5Single-Channel Output Architectures
    1. 5.1 Fully Integrated DAC
    2. 5.2 Low-Voltage DAC Plus an Output Buffer
    3. 5.3 Pulse-Width Modulation Plus a Buffer
  9. 6Output Buffers
    1. 6.1 Unidirectional Current Buffer
    2. 6.2 Bidirectional Current Buffer
    3. 6.3 Voltage Buffer
    4. 6.4 Combined Voltage or Current Buffer
  10. 7Summary
  11. 8References

5.2 Low-Voltage DAC Plus an Output Buffer

A single-channel DAC, AFE882H1 family offers feature-rich, integrated reference, and HART modem option both in 14b and 16b versions. The AFE882H1 is especially important for safety-related applications. With TUE=0.08 %FSR this family offers the highest accuracy for such implementation.

AFE882H1 Device Block DiagramFigure 5-1 AFE882H1 Device Block Diagram
Table 5-2 AFE882H1 Device Family
14 bits16 bits
With HARTAFE782H1AFE882H1
No HARTAFE78201AFE88201

The DAC80501 family, including the 12b,14b, and 16b variants of single channel ADC offers high linearity (INL=1LSB), fast settling (5us), and excellent reference drift (2ppm/°C) in a very small package, making DAC80501 an device of choice for such architecture when no safety or HART support is needed.