ZHCSQZ8A May   2022  – December 2022 ADS1285

PRODUCTION DATA  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 Revision History
5. 5 Pin Configuration and Functions
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 ESD Ratings
   3. 6.3 Recommended Operating Conditions
   4. 6.4 Thermal Information
   5. 6.5 Electrical Characteristics
   6. 6.6 Timing Requirements: 1.65 V ≤ IOVDD ≤ 1.95 V and 2.7 V ≤ IOVDD ≤ 3.6 V
   7. 6.7 Switching Characteristics: 1.65V ≤ IOVDD ≤ 1.95V and 2.7 V ≤ IOVDD ≤ 3.6 V
   8. 6.8 Timing Diagrams
   9. 6.9 Typical Characteristics
7. 7 Parameter Measurement Information
   1. 7.1 Noise Performance
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Analog Input
      2. 8.3.2 PGA and Buffer
         1. 8.3.2.1 Programmable Gain Amplifier (PGA)
         2. 8.3.2.2 Buffer Operation (PGA Bypass)
      3. 8.3.3 Voltage Reference Input
      4. 8.3.4 IOVDD Power Supply
      5. 8.3.5 Modulator
         1. 8.3.5.1 Modulator Overdrive
      6. 8.3.6 Digital Filter
         1. 8.3.6.1 Sinc Filter Section
         2. 8.3.6.2 FIR Filter Section
         3. 8.3.6.3 Group Delay and Step Response
            1. 8.3.6.3.1 Linear Phase Response
            2. 8.3.6.3.2 Minimum Phase Response
         4. 8.3.6.4 HPF Stage
      7. 8.3.7 Clock Input
      8. 8.3.8 GPIO
   4. 8.4 Device Functional Modes
      1. 8.4.1 Power Modes
      2. 8.4.2 Power-Down Mode
      3. 8.4.3 Reset
      4. 8.4.4 Synchronization
         1. 8.4.4.1 Pulse-Sync Mode
         2. 8.4.4.2 Continuous-Sync Mode
      5. 8.4.5 Sample Rate Converter
      6. 8.4.6 Offset and Gain Calibration
         1. 8.4.6.1 OFFSET Register
         2. 8.4.6.2 GAIN Register
         3. 8.4.6.3 Calibration Procedure
   5. 8.5 Programming
      1. 8.5.1 Serial Interface
         1. 8.5.1.1 Chip Select (CS)
         2. 8.5.1.2 Serial Clock (SCLK)
         3. 8.5.1.3 Data Input (DIN)
         4. 8.5.1.4 Data Output (DOUT)
         5. 8.5.1.5 Data Ready (DRDY)
      2. 8.5.2 Conversion Data Format
      3. 8.5.3 Commands
         1. 8.5.3.1  Single Byte Command
         2. 8.5.3.2  WAKEUP: Wake Command
         3. 8.5.3.3  STANDBY: Software Power-Down Command
         4. 8.5.3.4  SYNC: Synchronize Command
         5. 8.5.3.5  RESET: Reset Command
         6. 8.5.3.6  Read Data Direct
         7. 8.5.3.7  RDATA: Read Conversion Data Command
         8. 8.5.3.8  RREG: Read Register Command
         9. 8.5.3.9  WREG: Write Register Command
         10. 8.5.3.10 OFSCAL: Offset Calibration Command
         11. 8.5.3.11 GANCAL: Gain Calibration Command
   6. 8.6 Register Map
      1. 8.6.1 Register Descriptions
         1. 8.6.1.1 ID/SYNC: Device ID, SYNC Register (Address = 00h) [Reset = xxxx0000b]
         2. 8.6.1.2 CONFIG0: Configuration Register 0 (Address = 01h) [Reset = 12h]
         3. 8.6.1.3 CONFIG1: Configuration Register 1 (Address = 02h) [Reset = 00h]
         4. 8.6.1.4 HPF0, HPF1: High-Pass Filter Registers (Address = 03h, 04h) [Reset = 32h, 03h]
         5. 8.6.1.5 OFFSET0, OFFSET1, OFFSET2: Offset Calibration Registers (Address = 05h, 06h, 07h) [Reset = 00h, 00h, 00h]
         6. 8.6.1.6 GAIN0, GAIN1, GAIN2: Gain Calibration Registers (Address = 08h, 09h, 0Ah) [Reset = 00h, 00h, 40h]
         7. 8.6.1.7 GPIO: Digital Input/Output Register (Address = 0Bh) [Reset = 000xx000b]
         8. 8.6.1.8 SRC0, SRC1: Sample Rate Converter Registers (Address = 0Ch, 0Dh) [Reset = 00h, 80h]
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
   3. 9.3 Power Supply Recommendations
      1. 9.3.1 Analog Power Supplies
      2. 9.3.2 Digital Power Supply
      3. 9.3.3 Grounds
      4. 9.3.4 Thermal Pad
   4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
11. 11Mechanical, Packaging, and Orderable Information