SBASAC1A
august 2021 – july 2023
AFE439A2
,
AFE539A4
,
AFE639D2
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
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: Voltage Output
6.6
Electrical Characteristics: Comparator Mode
6.7
Electrical Characteristics: ADC Input
6.8
Electrical Characteristics: General
6.9
Timing Requirements: I2C Standard Mode
6.10
Timing Requirements: I2C Fast Mode
6.11
Timing Requirements: I2C Fast Mode Plus
6.12
Timing Requirements: SPI Write Operation
6.13
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
6.14
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
6.15
Timing Requirements: PWM Output
6.16
Timing Requirements: I2C Controller
6.17
Timing Diagrams
6.18
Typical Characteristics: Voltage Output
6.19
Typical Characteristics: ADC
6.20
Typical Characteristics: Comparator
6.21
Typical Characteristics: General
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Smart Analog Front End (AFE) Architecture
7.3.2
Programming Interface
7.3.3
Nonvolatile Memory (NVM)
7.3.3.1
NVM Cyclic Redundancy Check (CRC)
7.3.3.1.1
NVM-CRC-FAIL-USER Bit
7.3.3.1.2
NVM-CRC-FAIL-INT Bit
7.3.4
Power-On Reset (POR)
7.3.5
External Reset
7.3.6
Register-Map Lock
7.4
Device Functional Modes
7.4.1
Voltage-Output Mode
7.4.2
Voltage Reference and DAC Transfer Function
7.4.2.1
Power-Supply as Reference
7.4.2.2
Internal Reference
7.4.2.3
External Reference
7.4.3
Comparator Mode
7.4.4
Analog-to-Digital Converter (ADC) Mode
7.4.5
Pulse-Width Modulation (PWM)
7.4.6
Proportional-Integral (PI) Control
7.4.6.1
AFE439A2 PI Control
7.4.6.2
AFE539A4 PI Control
7.4.6.3
AFE639D2 PI Control
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 = 03h, 09h, 0Fh, 15h)
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
STATE-MACHINE-CONFIG1 Register (address = 29h) [reset = C800h]
7.6.10
SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
7.6.11
SRAM-DATA Register (address = 2Ch) [reset = 0000h]
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
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
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
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND525B
Orderable Information
sbasac1a_oa
sbasac1a_pm
7
Detailed Description