SLASF61A
January 2023 – September 2023
DAC539G2-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: Voltage Output
6.6
Electrical Characteristics: Comparator Mode
6.7
Electrical Characteristics: General
6.8
Timing Requirements: I2C Standard Mode
6.9
Timing Requirements: I2C Fast Mode
6.10
Timing Requirements: I2C Fast Mode Plus
6.11
Timing Requirements: SPI Write Operation
6.12
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
6.13
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
6.14
Timing Requirements: GPIO
6.15
Timing Diagrams
6.16
Typical Characteristics: Voltage Output
6.17
Typical Characteristics: Comparator
6.18
Typical Characteristics: General
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Smart Digital-to-Analog Converter (DAC) Architecture
7.3.2
Programming Interface
7.3.3
Nonvolatile Memory (NVM)
7.4
Device Functional Modes
7.4.1
GPI-to-Voltage Converter
7.4.1.1
Voltage Reference and DAC Transfer Function
7.4.1.2
Power-Supply as Reference
7.4.1.3
Internal Reference
7.4.1.4
External Reference
7.4.2
Voltage-to-PWM Converter
7.4.2.1
Function Generation
7.4.2.1.1
Triangular Waveform Generation
7.4.2.1.2
Sawtooth Waveform Generation
7.4.2.1.3
PWM Frequency Correction
7.4.3
Device Reset and Fault Management
7.4.3.1
Power-On Reset (POR)
7.4.3.2
External Reset
7.4.3.3
Register-Map Lock
7.4.3.4
NVM Cyclic Redundancy Check (CRC)
7.4.3.4.1
NVM-CRC-FAIL-USER Bit
7.4.3.4.2
NVM-CRC-FAIL-INT Bit
7.4.4
Power-Down Mode
7.5
Programming
7.5.1
SPI Programming Mode
7.5.2
I2C Programming Mode
7.5.2.1
F/S Mode Protocol
7.5.2.2
I2C Update Sequence
7.5.2.2.1
Address Byte
7.5.2.2.2
Command Byte
7.5.2.3
I2C Read Sequence
7.6
Register Maps
7.6.1
NOP Register (address = 00h) [reset = 0000h]
7.6.2
DAC-X-VOUT-CMP-CONFIG Register (address = 15h, 03h) [reset = 0400h]
7.6.3
COMMON-CONFIG Register (address = 1Fh) [reset = 03F9h]
7.6.4
COMMON-TRIGGER Register (address = 20h) [reset = 0000h]
7.6.5
FUNCTION-TRIGGER Register (address = 21h) [reset = 0001h]
7.6.6
GENERAL-STATUS Register (address = 22h) [reset = 2068h]
7.6.7
DEVICE-MODE-CONFIG Register (address = 25h) [reset = 8040h]
7.6.8
INTERFACE-CONFIG Register (address = 26h) [reset = 0000h]
7.6.9
STATE-MACHINE-CONFIG Register (address = 27h) [reset = 0003h]
7.6.10
SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
7.6.11
SRAM-DATA Register (address = 2Ch) [reset = 0000h]
7.6.12
FUNCTION-CONFIG Register (SRAM address = 20h) [reset = 007Ah]
7.6.13
FUNCTION-MAX Register (SRAM address = 21h) [reset = B900h]
7.6.14
FUNCTION-MIN Register (SRAM address = 22h) [reset = 1900h]
7.6.15
GPI-DEBOUNCE Register (SRAM address = 23h) [reset = 0138h]
7.6.16
VOUT-DATA-X Register (SRAM address = 24h to 2Bh) [reset = see #GUID-D64978E3-E8F0-4408-A2C1-8C72D24777EC/X6961 ]
7.6.17
PWM-FREQUENCY-ERROR Register (SRAM address = 9Eh) [reset = device-specific]
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND525B
Orderable Information
slasf61a_oa
slasf61a_pm
8.4.2
Layout Example
Figure 8-4
Layout Example
Note: The ground and power planes have been omitted for clarity. Connect the thermal pad to ground.