SBASAX4
June 2026
ADS9317
PRODUCTION DATA
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
Thermal Information
5.4
Recommended Operating Conditions
5.5
Electrical CharacteristicsÂ
5.6
Electrical Characteristics: AVDD = 5V
5.7
Electrical Characteristics: AVDD = 3.3V
5.8
Timing Requirements
5.9
Switching Characteristics
5.10
Timing Diagrams
5.11
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Analog Inputs
6.3.2
Reference
6.3.2.1
Internal Reference
6.3.2.1.1
Selectable Internal Reference with 5V AVDD
6.3.2.2
External Reference
6.3.2.3
External Reference With External Reference Buffer
6.3.3
Burst Sample Operation
6.3.4
ADC Transfer Function
6.3.5
Programmable Data Averaging Filter
6.3.5.1
Simple Average
6.3.5.1.1
Simple Average with Noncontinuous CONVST
6.3.5.2
Moving Average
6.3.6
Channel Averaging
6.3.7
Common-Mode Voltage Output
6.3.8
ADC Output Data Randomizer
6.4
Device Functional Modes
6.4.1
Reset
6.4.2
Normal Operation
6.4.3
Low-Latency Mode
6.4.4
CS-CONVST Short Mode
6.4.5
Register Read Mode
6.4.6
Initialization Sequence
6.5
Programming
6.5.1
Data Interface
6.5.2
Data Frame Width
6.5.3
SPI Modes
6.5.4
CONVST Inversion
6.5.5
SCLK Echo Mode
6.5.6
Daisy-Chain Mode
6.5.7
SPI Frame Length for Register Operations
6.5.8
Register Map Lock
6.5.9
Register Write
6.5.10
Register Read
7
Register Map
7.1
Register Bank 0
7.2
Register Bank 1
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Analog 1VPP Sine-Cosine Encoder Interface
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Revision History
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Mechanical, Packaging, and Orderable Information
11.1
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
VAE|22
Thermal pad, mechanical data (Package|Pins)
Data Sheet
ADS931x
Dual, Simultaneous-Sampling, Small-Size,
18
-Bit,
5
MSPS SAR ADC