JAJSLP1
September 2023
DAC43901-Q1
,
DAC43902-Q1
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
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: Comparator Mode
6.6
Electrical Characteristics: General
6.7
Timing Requirements: I2C Standard Mode
6.8
Timing Requirements: I2C Fast Mode
6.9
Timing Requirements: I2C Fast-Mode Plus
6.10
Timing Requirements: SPI Write Operation
6.11
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
6.12
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
6.13
Timing Requirements: PWM Output
6.14
Timing Diagrams
6.15
Typical Characteristics
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
Threshold DAC
7.3.2.1
Voltage Reference and DAC Transfer Function
7.3.2.2
Power-Supply as Reference
7.3.2.3
Internal Reference
7.3.2.4
External Reference
7.3.3
Programming Interface
7.3.4
Nonvolatile Memory (NVM)
7.3.4.1
NVM Cyclic Redundancy Check (CRC)
7.3.4.1.1
NVM-CRC-FAIL-USER Bit
7.3.4.1.2
NVM-CRC-FAIL-INT Bit
7.3.5
Power-On Reset (POR)
7.3.6
External Reset
7.3.7
Register-Map Lock
7.4
Device Functional Modes
7.4.1
Comparator Mode
7.4.2
PWM Fade-In Fade-Out Mode
7.4.3
Sequential Turn-Indicator Animation 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)
7.6.3
COMMON-CONFIG Register (address = 1Fh)
7.6.4
COMMON-TRIGGER Register (address = 20h) [reset = 0000h]
7.6.5
COMMON-PWM-TRIG Register (address = 21h) [reset = 0000h]
7.6.6
GENERAL-STATUS Register (address = 22h) [reset = 00h, DEVICE-ID, VERSION-ID]
7.6.7
INTERFACE-CONFIG Register (address = 26h) [reset = 0000h]
7.6.8
STATE-MACHINE-CONFIG0 Register (address = 27h) [reset = 0003h]
7.6.9
SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
7.6.10
SRAM-DATA Register (address = 2Ch) [reset = 0000h]
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Sequential Turn Indicator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Logarithmic Fade-In Fade-Out
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
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
ドキュメントの更新通知を受け取る方法
9.2
サポート・リソース
9.3
Trademarks
9.4
静電気放電に関する注意事項
9.5
用語集
10
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RTE|16
MPQF149D
サーマルパッド・メカニカル・データ
RTE|16
QFND525B
発注情報
jajslp1_oa
7.5
Programming