ZHCSQC6 May   2022 DAC53202 , DAC63202

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: Voltage Output
    6. 6.6  Electrical Characteristics: Current Output
    7. 6.7  Electrical Characteristics: Comparator Mode
    8. 6.8  Electrical Characteristics: General
    9. 6.9  Timing Requirements: I2C Standard Mode
    10. 6.10 Timing Requirements: I2C Fast Mode
    11. 6.11 Timing Requirements: I2C Fast Mode Plus
    12. 6.12 Timing Requirements: SPI Write Operation
    13. 6.13 Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
    14. 6.14 Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
    15. 6.15 Timing Requirements: GPIO
    16. 6.16 Timing Diagrams
    17. 6.17 Typical Characteristics: Voltage Output
    18. 6.18 Typical Characteristics: Current Output
    19. 6.19 Typical Characteristics: Comparator
    20. 6.20 Typical Characteristics: General
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Smart Digital-to-Analog Converter (DAC) Architecture
      2. 7.3.2 Digital Input/Output
      3. 7.3.3 Nonvolatile Memory (NVM)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Voltage-Output Mode
        1. 7.4.1.1 Voltage Reference and DAC Transfer Function
          1. 7.4.1.1.1 Internal Reference
          2. 7.4.1.1.2 External Reference
          3. 7.4.1.1.3 Power-Supply as Reference
      2. 7.4.2 Current-Output Mode
      3. 7.4.3 Comparator Mode
        1. 7.4.3.1 Programmable Hysteresis Comparator
        2. 7.4.3.2 Programmable Window Comparator
      4. 7.4.4 Fault-Dump Mode
      5. 7.4.5 Application-Specific Modes
        1. 7.4.5.1 Voltage Margining and Scaling
          1. 7.4.5.1.1 High-Impedance Output and PROTECT Input
          2. 7.4.5.1.2 Programmable Slew-Rate Control
          3. 7.4.5.1.3 PMBus Compatibility Mode
        2. 7.4.5.2 Function Generation
          1. 7.4.5.2.1 Triangular Waveform Generation
          2. 7.4.5.2.2 Sawtooth Waveform Generation
          3. 7.4.5.2.3 Sine Waveform Generation
      6. 7.4.6 Device Reset and Fault Management
        1. 7.4.6.1 Power-On Reset (POR)
        2. 7.4.6.2 External Reset
        3. 7.4.6.3 Register-Map Lock
        4. 7.4.6.4 NVM Cyclic Redundancy Check (CRC)
          1. 7.4.6.4.1 NVM-CRC-FAIL-USER Bit
          2. 7.4.6.4.2 NVM-CRC-FAIL-INT Bit
      7. 7.4.7 Power-Down Mode
    5. 7.5 Programming
      1. 7.5.1 SPI Programming Mode
      2. 7.5.2 I2C Programming Mode
        1. 7.5.2.1 F/S Mode Protocol
        2. 7.5.2.2 I2C Update Sequence
          1. 7.5.2.2.1 Address Byte
          2. 7.5.2.2.2 Command Byte
        3. 7.5.2.3 I2C Read Sequence
      3. 7.5.3 General-Purpose Input/Output (GPIO) Modes
    6. 7.6 Register Map
      1. 7.6.1  NOP Register (address = 00h) [reset = 0000h]
      2. 7.6.2  DAC-X-MARGIN-HIGH Register (address = 13h, 01h) [reset = 0000h]
      3. 7.6.3  DAC-X-MARGIN-LOW Register (address = 14h, 02h) [reset = 0000h]
      4. 7.6.4  DAC-X-VOUT-CMP-CONFIG Register (address = 15h, 03h) [reset = 0000h]
      5. 7.6.5  DAC-X-IOUT-MISC-CONFIG Register (address = 16h, 04h) [reset = 0000h]
      6. 7.6.6  DAC-X-CMP-MODE-CONFIG Register (address = 17h, 05h) [reset = 0000h]
      7. 7.6.7  DAC-X-FUNC-CONFIG Register (address = 18h, 06h) [reset = 0000h]
      8. 7.6.8  DAC-X-DATA Register (address = 1Ch, 19h) [reset = 0000h]
      9. 7.6.9  COMMON-CONFIG Register (address = 1Fh) [reset = 0FFFh]
      10. 7.6.10 COMMON-TRIGGER Register (address = 20h) [reset = 0000h]
      11. 7.6.11 COMMON-DAC-TRIG Register (address = 21h) [reset = 0000h]
      12. 7.6.12 GENERAL-STATUS Register (address = 22h) [reset = 00h, DEVICE-ID, VERSION-ID]
      13. 7.6.13 CMP-STATUS Register (address = 23h) [reset = 0000h]
      14. 7.6.14 GPIO-CONFIG Register (address = 24h) [reset = 0000h]
      15. 7.6.15 DEVICE-MODE-CONFIG Register (address = 25h) [reset = 0000h]
      16. 7.6.16 INTERFACE-CONFIG Register (address = 26h) [reset = 0000h]
      17. 7.6.17 SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
      18. 7.6.18 SRAM-DATA Register (address = 2Ch) [reset = 0000h]
      19. 7.6.19 BRDCAST-DATA Register (address = 50h) [reset = 0000h]
      20. 7.6.20 PMBUS-PAGE Register [reset = 0300h]
      21. 7.6.21 PMBUS-OP-CMD-X Register [reset = 0000h]
      22. 7.6.22 PMBUS-CML Register [reset = 0000h]
      23. 7.6.23 PMBUS-VERSION Register [reset = 2200h]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  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 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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7.5.2.2.1 Address Byte

Table 7-15 depicts the address byte, the first byte received from the controller device following the start condition. The first four bits (MSBs) of the address are factory preset to 1001. The next three bits of the address are controlled by the A0 pin. The A0 pin input can be connected to VDD, AGND, SCL, or SDA. The A0 pin is sampled during the first byte of each data frame to determine the address. The device latches the value of the address pin, and consequently responds to that particular address according to Table 7-16.

Table 7-15 Address Byte
COMMENTMSBLSB
—AD6AD5AD4AD3AD2AD1AD0R/W
General address1001See Table 7-16
(target address column)		0 or 1
Broadcast address10001110
Table 7-16 Address Format
TARGET ADDRESSA0 PIN
000AGND
001VDD
010SDA
011SCL

The DACx3202 supports broadcast addressing, which is used for synchronously updating or powering down multiple DACx3202 devices. When the broadcast address is used, the DACx3202 responds regardless of the address pin state. Broadcast is supported only in write mode.
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