ZHCSLR7A
March 2021 – October 2021
ADS7067
PRODUCTION DATA
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
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Timing Diagrams
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Input and Multiplexer
7.3.2
Reference
7.3.2.1
External Reference
7.3.2.2
Internal Reference
7.3.3
ADC Transfer Function
7.3.4
ADC Offset Calibration
7.3.5
Programmable Averaging Filters
7.3.6
CRC on Data Interface
7.3.7
Oscillator and Timing Control
7.3.8
Diagnostic Modes
7.3.8.1
Bit-Walk Test Mode
7.3.8.2
Fixed Voltage Test Mode
7.3.9
Output Data Format
7.3.9.1
Status Flags
7.3.9.2
Output CRC (Device to Host)
7.3.9.3
Input CRC (Host to Device)
7.3.10
Device Programming
7.3.10.1
Enhanced-SPI Interface
7.3.10.2
Daisy-Chain Mode
7.3.10.3
Register Read/Write Operation
7.3.10.3.1
Register Write
7.3.10.3.2
Register Read
7.3.10.3.2.1
Register Read With CRC
7.4
Device Functional Modes
7.4.1
Device Power-Up and Reset
7.4.2
Manual Mode
7.4.3
On-the-Fly Mode
7.4.4
Auto-Sequence Mode
7.5
ADS7067 Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Charge-Kickback Filter and ADC Amplifier
8.2.3
Application Curve
9
Power Supply Recommendations
9.1
AVDD and DVDD Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
支持资源
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
YBH|16
MPBGAQ3
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcslr7a_oa
zhcslr7a_pm
1
特性
小尺寸解决方案:
1.62mm × 1.62mm WCSP
节省空间、无电容、2.5V 内部基准
8 通道,可配置为以下任意组合:
最多 8 个模拟输入、数字输入或数字输出
可编程均值滤波器:
用于求平均值的可编程样本大小
利用内部转换求平均值
用于计算平均输出的 20 位分辨率
具有通道序列发生器的低泄漏多路复用器:
手动模式
动态模式
自动序列模式
出色的交流和直流性能:
SNR:90dB,THD:-100dB
可编程均值滤波器提高了 SNR
INL:±1LSB,16 位,无丢码
内部校准改善了失调电压和漂移
高采样率、无延迟输出:
800kSPS
宽工作电压范围:
ADC 输入范围:0V 至 V
REF
和 2 × V
REF
模拟电源:3V 至 5.5V
数字电源:1.65V 至 5.5V
温度范围:–40°C 至 +125°C
增强型 SPI 数字接口:
高速 60MHz SPI 接口