SBASAX3B
May 2025 – April 2026
ADS9326
,
ADS9327
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Thermal Information
6.4
Recommended Operating Conditions
6.5
Electrical Characteristics
6.6
Electrical Characteristics: AVDD = 5V
6.7
Electrical Characteristics: AVDD = 3.3V
6.8
Timing Requirements
6.9
Switching Characteristics
6.10
Timing Diagrams
6.11
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Inputs
7.3.2
Reference
7.3.2.1
Internal Reference
7.3.2.1.1
Selectable Internal Reference with 5V AVDD
7.3.2.2
External Reference
7.3.2.3
External Reference With External Reference Buffer
7.3.3
Burst Sample Operation
7.3.4
ADC Transfer Function
7.3.5
Programmable Data Averaging Filter
7.3.5.1
Simple Average
7.3.5.1.1
Simple Average with Noncontinuous CONVST
7.3.5.2
Moving Average
7.3.6
Channel Averaging
7.3.7
Common-Mode Voltage Output
7.3.8
CRC on Output Data Interface
7.3.9
ADC Output Data Randomizer
7.4
Device Functional Modes
7.4.1
Reset
7.4.2
Normal Operation
7.4.3
Low-Latency Mode
7.4.4
CS-CONVST Short Mode
7.4.5
Register Read Mode
7.4.6
Initialization Sequence
7.5
Programming
7.5.1
Data Interface
7.5.2
Data Frame Width
7.5.3
SPI Modes
7.5.4
CONVST Inversion
7.5.5
SCLK Echo Mode
7.5.6
Daisy-Chain Mode
7.5.7
SPI Frame Length for Register Operations
7.5.8
Register Map Lock
7.5.9
Register Write
7.5.10
Register Read
8
Register Map
8.1
Register Bank 0
8.2
Register Bank 1
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Analog 1VPP Sine-Cosine Encoder Interface
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
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
Revision History
12
Mechanical, Packaging, and Orderable Information
12.1
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
VAE|22
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbasax3b_oa
sbasax3b_pm
Data Sheet
ADS932x
Dual, Simultaneous-Sampling, Small-Size,
16
-Bit,
5
MSPS SAR ADC