SLASF44
may 2023
AFE78201
,
AFE88201
PRODUCTION DATA
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
6.6
Timing Requirements
6.7
Timing Diagrams
6.8
Typical Characteristics: VOUT DAC
6.9
Typical Characteristics: ADC
6.10
Typical Characteristics: Reference
6.11
Typical Characteristics: Power Supply
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Digital-to-Analog Converter (DAC) Overview
7.3.1.1
DAC Resistor String
7.3.1.2
DAC Buffer Amplifier
7.3.1.3
DAC Transfer Function
7.3.1.4
DAC Gain and Offset Calibration
7.3.1.5
Programmable Slew Rate
7.3.1.6
DAC Register Structure and CLEAR State
7.3.2
Analog-to-Digital Converter (ADC) Overview
7.3.2.1
ADC Operation
7.3.2.2
ADC Custom Channel Sequencer
7.3.2.3
ADC Synchronization
7.3.2.4
ADC Offset Calibration
7.3.2.5
External Monitoring Inputs
7.3.2.6
Temperature Sensor
7.3.2.7
Self-Diagnostic Multiplexer
7.3.2.8
ADC Bypass
7.3.3
Programmable Out-of-Range Alarms
7.3.3.1
Alarm-Based Interrupts
7.3.3.2
Alarm Action Configuration Register
7.3.3.3
Alarm Voltage Generator
7.3.3.4
Temperature Sensor Alarm Function
7.3.3.5
Internal Reference Alarm Function
7.3.3.6
ADC Alarm Function
7.3.3.7
Fault Detection
7.3.4
IRQ
7.3.5
Internal Reference
7.3.6
Integrated Precision Oscillator
7.3.7
Precision Oscillator Diagnostics
7.3.8
One-Time Programmable (OTP) Memory
7.3.9
GPIO
7.3.10
Timer
7.3.11
Unique Chip Identifier (ID)
7.3.12
Scratch Pad Register
7.4
Device Functional Modes
7.4.1
Register Built-In Self-Test (RBIST)
7.4.2
DAC Power-Down Mode
7.4.3
Reset
7.5
Programming
7.5.1
Communication Setup
7.5.1.1
SPI Mode
7.5.1.2
UART Mode
7.5.2
GPIO Programming
7.5.3
Serial Peripheral Interface (SPI)
7.5.3.1
SPI Frame Definition
7.5.3.2
SPI Read and Write
7.5.3.3
Frame Error Checking
7.5.3.4
Synchronization
7.5.4
UART Interface
7.5.4.1
UART Break Mode (UBM)
7.5.5
Status Bits
7.5.6
Watchdog Timer
7.6
Register Maps
7.6.1
AFEx8201 Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Multichannel Configuration
8.2
Typical Application
8.2.1
Analog Output Module
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
XTR305
8.2.1.2.1.1
Current-Output Mode
8.2.1.2.1.2
Voltage Output Mode
8.2.1.2.1.3
Diagnostic Features
8.2.1.3
Application Curves
8.3
Initialization Setup
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
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
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RRU|24
MPQF588
サーマルパッド・メカニカル・データ
発注情報
slasf44_oa
slasf44_pm
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Low quiescent current: 170 µA (typical), 210 µA (maximum)
16-bit or 14-bit monotonic high-performance DAC
DAC output range: 0 V to 2.5 V
Digital DAC slew-rate control
4-LSB INL at 16 bits
0.07% FSR (max) TUE from –40°C to +125°C
12-bit 3.84-kSPS ADC for advanced diagnostics
Integrated 1.25-V reference at 10 ppm/°C (max)
Internal 1.2288-MHz oscillator with clock output
Digital interfaces:
Serial peripheral interface (SPI)
Universal asynchronous receiver-transmitter (UART)
Fault detection: CRC bit error checking, windowed watchdog timer, diagnostic ADC
Wide operating temperature: –55°C to +125°C