SLASFA1
july 2023
AFE539F1-Q1
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: ADC Input
6.6
Electrical Characteristics: General
6.7
Timing Requirements: I2C Standard Mode
6.8
Timing Requirements: I2C Fast Mode
6.9
Timing Requirements: I2C Fast Mode Plus
6.10
Timing Requirements: SPI Write Operation
6.11
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
6.12
Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
6.13
Timing Requirements: PWM Output
6.14
Timing Diagrams
6.15
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
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
Analog-to-Digital Converter (ADC) Mode
7.4.1.1
Voltage Reference Selection
7.4.1.1.1
Power-Supply as Reference
7.4.1.1.2
Internal Reference
7.4.1.1.3
External Reference
7.4.2
Pulse-Width Modulation (PWM) Mode
7.4.3
Constant Power-Dissipation 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
REF-GAIN-CONFIG Register (address = 15h) [reset = 0401h]
7.6.3
COMMON-CONFIG Register (address = 1Fh) [reset = 13FFh]
7.6.4
COMMON-TRIGGER Register (address = 20h) [reset = 0000h]
7.6.5
COMMON-PWM-TRIG Register (address = 21h) [reset = 0001h]
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
SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
7.6.10
SRAM-DATA Register (address = 2Ch) [reset = 0000h]
7.6.11
MAX-OUTPUT Register (SRAM address = 20h) [reset = 007Fh]
7.6.12
MIN-OUTPUT Register (SRAM address = 21h) [reset = 0000h]
7.6.13
FUNCTION-COEFFICIENT Register (SRAM address = 22h) [reset = 01F4h]
7.6.14
PWM-FREQUENCY Register (SRAM address = 23h) [reset = 000Bh]
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 Curve
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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
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
slasfa1_oa
slasfa1_pm
7.5
Programming