SLASF62
June 2024
DAC80516
ADVANCE INFORMATION
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 - I2C Standard Mode
5.7
Timing Requirements - I2C Fast Mode
5.8
Timing Requirements - I2C Fast Mode Plus
5.9
Timing Requirements - SPI
5.10
Switching Characteristics
5.11
Timing Diagrams
5.12
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
6.3.1.1
DAC Register Structure
6.3.1.1.1
DAC Synchronous Operation
6.3.1.1.2
DAC Buffer Amplifier
6.3.1.1.3
DAC Transfer Function
6.3.2
Internal Reference
6.3.3
Power-On Reset (POR)
6.4
Device Functional Modes
6.4.1
Clear Mode
6.5
Programming
6.5.1
I2C Serial Interface
6.5.1.1
I2C Bus Overview
6.5.1.2
I2C Bus Definitions
6.5.1.3
I2C Target Address Selection
6.5.1.4
I2C Read and Write Operations
6.5.1.5
I2C General-Call Reset
6.5.2
Serial Peripheral Interface (SPI)
6.5.2.1
SPI Bus Overview
7
Register Map
7.1
DAC80516 Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Bipolar Voltage Output
8.2
Typical Application
8.2.1
Programmable High-Current Voltage Output Circuit
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.3
Initialization Setup
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
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
1
Features
Performance:
INL: ±2LSB maximum at 16-bit resolution
TUE: ±0.2% of FSR maximum
Integrated 2.5V precision internal reference
Initial accuracy: ±5mV maximum
Drift: 5ppm/°C typical
High drive capability: 50mA with 0.5V from supply rails
Flexible configuration options
User selectable gain: 2 ×, 1 ×
Reset to zero scale
Clear output function
Wide operating range:
Power supply: 2.7V to 5.5V
Temperature range: –40°C to +125°C
SPI and I
2
C interfaces: 1.7V to 5.5V operation
SPI: 4-wire interface
I
2
C: Four target addresses
Small package:
4mm × 4mm, 28-pin WQFN