SBAS843A
september 2017 – july 2023
ADS8588H
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
6.6
Timing Requirements: CONVST Control
6.7
Timing Requirements: Data Read Operation
6.8
Timing Requirements: Parallel Data Read Operation, CS and RD Tied Together
6.9
Timing Requirements: Parallel Data Read Operation, CS and RD Separate
6.10
Timing Requirements: Serial Data Read Operation
6.11
Timing Requirements: Byte Mode Data Read Operation
6.12
Timing Requirements: Oversampling Mode
6.13
Timing Requirements: Exit Standby Mode
6.14
Timing Requirements: Exit Shutdown Mode
6.15
Switching Characteristics: CONVST Control
6.16
Switching Characteristics: Parallel Data Read Operation, CS and RD Tied Together
6.17
Switching Characteristics: Parallel Data Read Operation, CS and RD Separate
6.18
Switching Characteristics: Serial Data Read Operation
6.19
Switching Characteristics: Byte Mode Data Read Operation
6.20
Timing Diagrams
6.21
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
Analog Input Impedance
7.3.3
Input Clamp Protection Circuit
7.3.4
Programmable Gain Amplifier (PGA)
7.3.5
Third-Order, Low-Pass Filter (LPF)
7.3.6
ADC Driver
7.3.7
Digital Filter and Noise
7.3.8
Reference
7.3.8.1
Internal Reference
7.3.8.2
External Reference
7.3.8.3
Supplying One VREF to Multiple Devices
7.3.9
ADC Transfer Function
7.3.10
ADS8588H Device Family Comparison
7.4
Device Functional Modes
7.4.1
Device Interface: Pin Description
7.4.1.1
REFSEL (Input)
7.4.1.2
RANGE (Input)
7.4.1.3
STBY (Input)
7.4.1.4
PAR/SER/BYTE SEL (Input)
7.4.1.5
CONVSTA, CONVSTB (Input)
7.4.1.6
RESET (Input)
7.4.1.7
RD/SCLK (Input)
7.4.1.8
CS (Input)
7.4.1.9
OS[2:0]
7.4.1.10
BUSY (Output)
7.4.1.11
FRSTDATA (Output)
7.4.1.12
DB15/BYTE SEL
7.4.1.13
DB14/HBEN
7.4.1.14
DB[13:9]
7.4.1.15
DB8/DOUTB
7.4.1.16
DB7/DOUTA
7.4.1.17
DB[6:0]
7.4.2
Device Modes of Operation
7.4.2.1
Power-Down Modes
7.4.2.1.1
Standby Mode
7.4.2.1.2
Shutdown Mode
7.4.2.2
Conversion Control
7.4.2.2.1
Simultaneous Sampling on All Input Channels
7.4.2.2.2
Simultaneous Sampling Two Sets of Input Channels
7.4.2.3
Data Read Operation
7.4.2.3.1
Parallel Data Read
7.4.2.3.2
Parallel Byte Data Read
7.4.2.3.3
Serial Data Read
7.4.2.3.4
Data Read During Conversion
7.4.2.4
Oversampling Mode of Operation
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 Examples
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)
PM|64
MTQF008B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas843a_oa
sbas843a_pm
6.3
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
AVDD
Analog supply voltage
4.75
5
5.25
V
DVDD
Digital supply voltage
2.3
3.3
AVDD
V