SBAS565C
January 2014 – August 2019
ADS1283
PRODUCTION DATA.
1
Features
2
Applications
Simplified Schematic
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin 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
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
7.1
Noise Performance
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Inputs and Multiplexer
8.3.2
Programmable Gain Amplifier (PGA)
8.3.3
Analog-to-Digital Converter (ADC)
8.3.3.1
Modulator
8.3.3.1.1
Modulator Overrange
8.3.3.1.2
Modulator Input Impedance
8.3.3.1.3
Modulator Overrange Detection (MFLAG)
8.3.3.1.4
Offset
8.3.3.1.5
Voltage Reference Inputs (VREFP, VREFN)
8.3.3.2
Digital Filter
8.3.3.2.1
Sinc Filter Stage (sinx / x)
8.3.3.2.2
FIR Stage
8.3.3.2.3
Group Delay and Step Response
8.3.3.2.3.1
Linear Phase Response
8.3.3.2.3.2
Minimum Phase Response
8.3.3.2.4
HPF Stage
8.3.4
Master Clock Input (CLK)
8.4
Device Functional Modes
8.4.1
Synchronization (SYNC PIN and SYNC Command)
8.4.1.1
Pulse-Sync Mode
8.4.1.2
Continuous-Sync Mode
8.4.2
Reset (RESET Pin and Reset Command)
8.4.3
Power-Down (PWDN Pin and STANDBY Command)
8.4.4
Power-On Sequence
8.4.5
DVDD Power Supply
8.4.6
Serial Interface
8.4.6.1
Chip Select (CS)
8.4.6.2
Serial Clock (SCLK)
8.4.6.3
Data Input (DIN)
8.4.6.4
Data Output (DOUT)
8.4.6.5
Serial Port Auto Timeout
8.4.6.6
Data Ready (DRDY)
8.4.7
Data Format
8.4.8
Reading Data
8.4.8.1
Read-Data-Continuous Mode
8.4.8.2
Read-Data-By-Command Mode
8.4.9
One-Shot Operation
8.4.10
Offset and Full-Scale Calibration Registers
8.4.10.1
OFC[2:0] Registers
8.4.10.2
FSC[2:0] Registers
8.4.11
Calibration Commands (OFSCAL and GANCAL)
8.4.11.1
OFSCAL Command
8.4.11.2
GANCAL Command
8.4.12
User Calibration
8.5
Programming
8.5.1
Commands
8.5.1.1
SDATAC Requirements
8.5.1.2
WAKEUP: Wake-Up From Standby Mode
8.5.1.3
STANDBY: Standby Mode
8.5.1.4
SYNC: Synchronize the Analog-to-Digital Conversion
8.5.1.5
RESET: Reset the Device
8.5.1.6
RDATAC: Read Data Continuous
8.5.1.7
SDATAC: Stop Read Data Continuous
8.5.1.8
RDATA: Read Data by Command
8.5.1.9
RREG: Read Register Data
8.5.1.10
WREG: Write to Register
8.5.1.11
OFSCAL: Offset Calibration
8.5.1.12
GANCAL: Gain Calibration
8.6
Register Maps
8.6.1
Register Descriptions
8.6.1.1
ID_CFG: ID_Configuration Register (address = 00h) [reset =x0h]
8.6.1.2
CONFIG0: Configuration Register 0 (address = 01h) [reset = 52h]
8.6.1.3
CONFIG1: Configuration Register 1 (address = 02h) [reset = 08h]
8.6.1.4
HPF0 and HPF1 Registers
8.6.1.4.1
HPF0: High-Pass Filter Corner Frequency, Low Byte (address = 03h) [reset = 32h]
8.6.1.4.2
HPF1: High-Pass Filter Corner Frequency, High Byte (address = 04h) [reset = 03h]
8.6.1.5
OFC0, OFC1, OFC2 Registers
8.6.1.5.1
OFC0: Offset Calibration, Low Byte (address = 05h) [reset = 00h]
8.6.1.5.2
OFC1: Offset Calibration, Mid Byte (address = 06h) [reset = 00h]
8.6.1.5.3
OFC2: Offset Calibration, High Byte (address = 07h) [reset = 00h]
8.6.1.6
FSC0, FSC1, FSC2 Registers
8.6.1.6.1
FSC0: Full-Scale Calibration, Low Byte (address = 08h) [reset = 00h]
8.6.1.6.2
FSC1: Full-Scale Calibration, Mid Byte (address = 09h) [reset = 00h]
8.6.1.6.3
FSC2: Full-Scale Calibration, High Byte (address = 0Ah) [reset = 40h]
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Geophone Interface
9.2.2
Digital Interface
9.3
Initialization Set Up
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Community Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHF|24
MPQF137H
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas565c_oa
sbas565c_pm
9.2
Typical Applications