JAJSJY6
december 2020
DAC43701
,
DAC53701
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements: I2C Standard Mode
7.7
Timing Requirements: I2C Fast Mode
7.8
Timing Requirements: I2C Fast Mode Plus
7.9
Timing Requirements: GPI
7.10
Timing Diagram
7.11
Typical Characteristics: VDD = 5.5 V (Reference = VDD) or VDD = 5 V (Internal Reference)
7.12
Typical Characteristics: VDD = 1.8 V (Reference = VDD) or VDD = 2 V (Internal Reference)
7.13
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Digital-to-Analog Converter (DAC) Architecture
8.3.1.1
Reference Selection and DAC Transfer Function
8.3.1.1.1
Power Supply as Reference
8.3.1.1.2
Internal Reference
8.3.2
General-Purpose Input (GPI)
8.3.3
DAC Update
8.3.3.1
DAC Update Busy
8.3.4
Nonvolatile Memory (EEPROM or NVM)
8.3.4.1
NVM Cyclic Redundancy Check
8.3.4.2
NVM_CRC_ALARM_USER Bit
8.3.4.3
NVM_CRC_ALARM_INTERNAL Bit
8.3.5
Programmable Slew Rate
8.3.6
Power-on-Reset (POR)
8.3.7
Software Reset
8.3.8
Device Lock Feature
8.3.9
PMBus Compatibility
8.4
Device Functional Modes
8.4.1
Power Down Mode
8.4.2
Continuous Waveform Generation (CWG) Mode
8.4.3
PMBus Compatibility Mode
8.4.4
Medical Alarm Generation Mode
8.4.4.1
Low-Priority Alarm
8.4.4.2
Medium-Priority Alarm
8.4.4.3
High-Priority Alarm
8.4.4.4
Interburst Time
8.4.4.5
Pulse Off Time
8.4.4.6
Pulse On Time
8.5
Programming
8.5.1
F/S Mode Protocol
8.5.2
I2C Update Sequence
8.5.2.1
Address Byte
8.5.2.1.1
Slave Address Configuration
8.5.2.2
Command Byte
8.5.3
I2C Read Sequence
8.6
Register Map
8.6.1
STATUS Register (address = D0h) [reset = 000Ch or 0014h]
8.6.2
GENERAL_CONFIG Register (address = D1h) [reset = 01F0h]
8.6.3
CONFIG2 Register (address = D2h) [reset = 0000h]
8.6.4
TRIGGER Register (address = D3h) [reset = 0008h]
8.6.5
DAC_DATA Register (address = 21h) [reset = 0000h]
8.6.6
DAC_MARGIN_HIGH Register (address = 25h) [reset = 0000h]
8.6.7
DAC_MARGIN_LOW Register (address = 26h) [reset = 0000h]
8.6.8
PMBUS_OPERATION Register (address = 01h) [reset = 0000h]
8.6.9
PMBUS_STATUS_BYTE Register (address = 78h) [reset = 0000h]
8.6.10
PMBUS_VERSION Register (address = 98h) [reset = 2200h]
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Appliance Light Fade-In Fade-Out
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Power-Supply Margining
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
Medical Alarm Generation
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
ドキュメントの更新通知を受け取る方法
12.3
サポート・リソース
12.4
Trademarks
12.5
静電気放電に関する注意事項
12.6
用語集
13
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)
DSG|8
MPDS308C
サーマルパッド・メカニカル・データ
DSG|8
QFND141I
発注情報
jajsjy6_oa
9.2.1.1
Design Requirements
Slew time: approximately, 1.5 s
Bright LED current: 20 mA
Dim LED current: 10 mA