ZHCSR17
january 2023
ADS9218
ADVANCE INFORMATION
1
特性
2
应用
3
说明
4
Revision History
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
Timing Requirements
6.7
Switching Characteristics
6.8
Timing Diagrams
6.9
Typical Characteristics: ADS9218
6.10
Typical Characteristics: ADS9217
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 Bandwidth
7.3.3
ADC Transfer Function
7.3.4
Reference
7.3.4.1
Internal Reference Voltage
7.3.4.2
External Reference Voltage
7.3.5
Data Interface
7.3.5.1
Data Frame Width
7.3.5.2
Test Patterns for Data Interface
7.3.5.2.1
User-Defined Test Pattern
7.3.5.2.2
User-Defined Alternating Test Pattern
7.3.5.2.3
Ramp Test Pattern
7.3.6
ADC Sampling Clock Input
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Power-Down Options
7.5
Programming
7.5.1
Register Write
7.5.2
Register Read
7.5.3
Multiple Devices: Daisy-Chain Topology for SPI Configuration
7.5.3.1
Register Write With Daisy-Chain
7.5.3.2
Register Read With Daisy-Chain
7.6
Register Map
7.6.1
Register Bank 0
7.6.2
Register Bank 1
7.6.3
Register Bank 2
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Data Acquisition (DAQ) Circuit for ≤20-kHz Input Signal Bandwidth
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Data Acquisition (DAQ) Circuit for ≤100-kHz Input Signal Bandwidth
8.2.2.1
Design Requirements
8.2.2.2
Application Curves
8.2.3
Data Acquisition (DAQ) Circuit for ≤1-MHz Input Signal Bandwidth
8.2.3.1
Design Requirements
8.2.3.2
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
接收文档更新通知
9.3
支持资源
9.4
Trademarks
9.5
静电放电警告
9.6
术语表
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
封装选项
机械数据 (封装 | 引脚)
RHA|40
MPQF135D
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsr17_oa
1
特性
高速、10MSPS/通道采样率
ADS9218
:
10 MSPS/ch
ADS9217
:
5 MSPS/ch
2 通道同步采样
特性集成:
集成 ADC 驱动器
精密的集成基准
共模电压输出缓冲器
高性能
18-bit
,无丢码
INL:
±1 LSB
,DNL:
±0.75 LSB
SNR:
95 dB
,THD:f
IN
= 2kHz 时为
–115 dB
宽输入带宽:
ADS9218
:90 MHz (-3dB)
ADS9217
:45 MHz (-3dB)
10 MSPS/ch
时低功耗
180 mW/ch
串行 LVDS 接口:
SDR 和 DDR 输出模式
同步时钟和数据输出
扩展工作温度范围:–40°C 至 +125°C
6-mm × 6-mm
VQFN
封装