SLASEH4A
November 2023 – December 2024
DAC61401
,
DAC81401
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements - Write, IOVDD = 1.7V to 2.7V
5.7
Timing Requirements - Write, IOVDD = 2.7V to 5.5V
5.8
Timing Requirements - Read and Daisy Chain, FSDO = 0, IOVDD = 1.7V to 2.7V
5.9
Timing Requirements - Read and Daisy Chain, FSDO = 1, IOVDD = 1.7V to 2.7V
5.10
Timing Requirements - Read and Daisy Chain, FSDO = 0, IOVDD = 2.7V to 5.5V
5.11
Timing Requirements - Read and Daisy Chain, FSDO = 1, IOVDD = 2.7V to 5.5V
5.12
Timing Diagrams
5.13
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Digital-to-Analog Converter (DAC) Architecture
6.3.2
R-2R Ladder DAC
6.3.3
Programmable Gain Output Buffer
6.3.4
Sense Pins
6.3.5
DAC Register Structure
6.3.5.1
Output Update
6.3.5.2
Software Clear
6.3.5.2.1
Software Reset Mode
6.3.6
Internal Reference
6.3.7
Power-Supply Sequence
6.3.7.1
Power-On Reset (POR)
6.3.8
Thermal Alarm
6.4
Device Functional Modes
6.4.1
Power Down Mode
6.5
Programming
6.5.1
Stand-Alone Operation
6.5.2
Daisy-Chain Operation
6.5.3
Frame Error Checking
7
Register Map
7.1
Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Key Components
8.2.2.2
Compensation Capacitor
8.2.2.3
Gain Stage
8.2.2.4
Attenuation and Buffer Stage
8.2.2.5
External Power Supply
8.2.2.6
Protection Design
8.2.2.7
Design Accuracy
8.2.3
Application Curves
8.3
Initialization Set Up
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Examples
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
5.2
ESD Ratings
VALUE
UNIT
V
(ESD)
Electrostatic discharge
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001
(1)
±1000
V
Human body model (HBM), per ANSI/ESDA/JEDEC JS-002
(2)
±500
(1)
JEDEC document JEP155 states that 500V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250V CDM allows safe manufacturing with a standard ESD control process.