ZHCSJY1A
June 2019 – January 2021
ADS125H01
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Switching Characteristics
7.8
Timing Diagrams
7.9
Typical Characteristics
8
Parameter Measurement Information
8.1
Noise Performance
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Input Voltage Range
9.3.2
Analog Inputs (AINP, AINN)
9.3.2.1
ESD Diodes
9.3.2.2
Input Switch
9.3.3
Programmable Gain Amplifier (PGA)
9.3.3.1
PGA Operating Range
9.3.3.2
PGA Monitors
9.3.4
Reference Voltage
9.3.4.1
Reference Monitor
9.3.5
ADC Modulator
9.3.6
Digital Filter
9.3.6.1
Sinc Filter Mode
9.3.6.1.1
Sinc Filter Frequency Response
9.3.6.2
FIR Filter
9.3.6.3
50-Hz and 60-Hz Normal-Mode Rejection
9.4
Device Functional Modes
9.4.1
Conversion Control
9.4.1.1
Continuous-Conversion Mode
9.4.1.2
Pulse-Conversion Mode
9.4.1.3
Conversion Latency
9.4.1.4
Start-Conversion Delay
9.4.2
Clock Mode
9.4.3
Reset
9.4.3.1
Power-On Reset
9.4.3.2
Reset by RESETPin
9.4.3.3
Reset by Command
9.4.4
Calibration
9.4.4.1
Offset and Full-Scale Calibration
9.4.4.1.1
Offset Calibration Registers
9.4.4.1.2
Full-Scale Calibration Registers
9.4.4.2
Offset Calibration Command (OFSCAL)
9.4.4.3
Full-Scale Calibration Command (GANCAL)
9.4.4.4
Calibration Command Procedure
9.4.4.5
User Calibration Procedure
9.5
Programming
9.5.1
Serial Interface
9.5.1.1
Chip-Select Pins (CS1 and CS2)
9.5.1.2
Serial Clock (SCLK)
9.5.1.3
Data Input (DIN)
9.5.1.4
Data Output/Data Ready (DOUT/DRDY)
9.5.2
Data Ready (DRDY)
9.5.2.1
DRDY in Continuous-Conversion Mode
9.5.2.2
DRDY in Pulse-Conversion Mode
9.5.2.3
Data Ready by Software Polling
9.5.3
Conversion Data
9.5.3.1
Status Byte (STATUS0)
9.5.3.2
Conversion Data Format
9.5.4
Cyclic Redundancy Check (CRC)
9.5.5
Commands
9.5.5.1
General Command Format
9.5.5.2
NOP Command
9.5.5.3
RESET Command
9.5.5.4
START Command
9.5.5.5
STOP Command
9.5.5.6
RDATA Command
9.5.5.7
OFSCAL Command
9.5.5.8
GANCAL Command
9.5.5.9
RREG Command
9.5.5.10
WREG Command
9.6
Register Map
9.6.1
Device Identification (ID) Register (address = 00h) [reset = 4xh]
9.6.2
Main Status (STATUS0) Register (address = 01h) [reset = 01h]
9.6.3
Mode 0 (MODE0) Register (address = 02h) [reset = 24h]
9.6.4
Mode 1 (MODE1) Register (address = 03h) [reset = 01h]
9.6.5
Reserved (RESERVED) Register (address = 04h) [reset = 00h]
9.6.6
Mode 3 (MODE3) Register (address = 05h) [reset = 00h]
9.6.7
Reference Configuration (REF) Register (address = 06h) [reset = 05h]
9.6.8
Offset Calibration (OFCALx) Registers (address = 07h, 08h, 09h) [reset = 00h, 00h, 00h]
9.6.9
Full-Scale Calibration (FSCALx) Registers (address = 0Ah, 0Bh, 0Ch) [reset = 00h, 00h, 40h]
9.6.10
Reserved (RESERVED) Register (address = 0Dh) [reset = FFh]
9.6.11
Reserved (RESERVED) Register (address = 0Eh) [reset = 00h]
9.6.12
Reserved (RESERVED) Register (address = 0Fh) [reset = 00h]
9.6.13
MODE4 (MODE4) Register (address = 10h) [reset = 50h]
9.6.14
PGA Alarm (STATUS1) Register (address = 11h) [reset = xxh]
9.6.15
Status 2 (STATUS2) Register (address = 12h) [reset = 0xh]
10
Application and Implementation
10.1
Application Information
10.1.1
Example to Determine the PGA Linear Operating Range
10.1.2
Input Signal Rate of Change (dV/dt)
10.1.3
Unused Inputs and Outputs
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
11
Power Supply Recommendations
11.1
Power-Supply Decoupling
11.2
Analog Power-Supply Clamp
11.3
Power-Supply Sequencing
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
静电放电警告
13.6
术语表
14
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHB|32
MPQF130D
散热焊盘机械数据 (封装 | 引脚)
RHB|32
QFND029X
订购信息
zhcsjy1a_oa
zhcsjy1a_pm
13.6
术语表
TI 术语表
本术语表列出并解释了术语、首字母缩略词和定义。
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