SLASEH2A
November 2020 – May 2021
DAC61404
,
DAC81404
PRODUCTION DATA
1
Features
2
Applications
3
Description
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: Write, IOVDD: 1.7 V to 2.7 V
7.7
Timing Requirements: Write, IOVDD: 2.7 V to 5.5 V
7.8
Timing Requirements: Read and Daisy Chain, FSDO = 0, IOVDD: 1.7 V to 2.7 V
7.9
Timing Requirements: Read and Daisy Chain, FSDO = 1, IOVDD: 1.7 V to 2.7 V
7.10
Timing Requirements: Read and Daisy Chain, FSDO = 0, IOVDD: 2.7 V to 5.5 V
7.11
Timing Requirements: Read and Daisy Chain, FSDO = 1, IOVDD: 2.7 V to 5.5 V
7.12
Timing Diagrams
7.13
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
R-2R Ladder DAC
8.3.2
Programmable-Gain Output Buffer
8.3.2.1
Sense Pins
8.3.3
DAC Register Structure
8.3.3.1
DAC Output Update
8.3.3.1.1
Synchronous Update
8.3.3.1.2
Asynchronous Update
8.3.3.2
Broadcast DAC Register
8.3.3.3
Clear DAC Operation
8.3.4
Internal Reference
8.3.5
Power-On Reset (POR)
8.3.5.1
Hardware Reset
8.3.5.2
Software Reset
8.3.6
Thermal Alarm
8.4
Device Functional Modes
8.4.1
Power-Down Mode
8.5
Programming
8.5.1
Stand-Alone Operation
8.5.2
Daisy-Chain Operation
8.5.3
Frame Error Checking
8.6
Register Map
8.6.1
NOP Register (address = 00h) [reset = 0000h]
8.6.2
DEVICEID Register (address = 01h) [reset = 0A60h or 0920h]
8.6.3
STATUS Register (address = 02h) [reset = 0000h]
8.6.4
SPICONFIG Register (address = 03h) [reset = 0AA4h]
8.6.5
GENCONFIG Register (address = 04h) [reset = 4000h]
8.6.6
BRDCONFIG Register (address = 05h) [reset = 000Fh]
8.6.7
SYNCCONFIG Register (address = 06h) [reset = 0000h]
8.6.8
DACPWDWN Register (address = 09h) [reset = FFFFh]
8.6.9
DACRANGE Register (address = 0Ah) [reset = 0000h]
8.6.10
TRIGGER Register (address = 0Eh) [reset = 0000h]
8.6.11
BRDCAST Register (address = 0Fh) [reset = 0000h]
8.6.12
DACn Register (address = 10h to 13h) [reset = 0000h]
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
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
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
RHB|32
QFND029X
Orderable Information
slaseh2a_oa
slaseh2a_pm
7.12
Timing Diagrams
Asynchronous update.
Synchronous update.
Figure 7-1
Serial Interface Write Timing Diagram
Figure 7-2
Serial Interface Read Timing Diagram