ZHCSQ74A September   2022  – November 2022 DAC82001

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Requirements
    7. 6.7 Timing Diagram
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Digital-to-Analog Converter (DAC) Architecture
        1. 7.3.1.1 DAC Transfer Function
        2. 7.3.1.2 DAC Register Structure
      2. 7.3.2 Power-On Reset (POR)
      3. 7.3.3 Hardware Reset
      4. 7.3.4 Software Reset
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Serial Peripheral Interface (SPI)
        1. 7.5.1.1 SYNC Interrupt
    6. 7.6 Register Maps
      1. 7.6.1 Registers
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Arbitrary Waveform Generator
        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 Bipolar Analog Output Configuration
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, Packaging, and Orderable Information

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8.2.2.3 Application Curves

Figure 8-5 shows the noise on the buffer output vs frequency using a 100-Hz to 1-MHz frequency sweep with a grounded reference to isolate the noise in the circuit.

Figure 8-5 Noise vs Frequency

Figure 8-6 shows the output of the circuit rising from –10 V to +10 V, with the DAC starting at code 0x0000 and ending at code 0xFFFF. The measured slew rate is 2.5 V/µs. The REF5025 is used as a 2.5-V reference.

DAC at code 0x0000 rising to code 0xFFFF
Figure 8-6 Bipolar Output Rising Slew Rate

Figure 8-7 shows the output of the circuit falling from +10 V to –10 V, with the DAC starting at code 0xFFFF and ending at code 0x0000. This measured slew rate is 2.5 V/µs. The REF5025 is used as a 2.5-V reference.

DAC at code 0xFFFF falling to code 0x0000
Figure 8-7 Bipolar Output Falling Slew Rate
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