This manual is the data manual of ADS7869 analog motor control front-end product, which introduces the features and characteristics of the product, including the product's application scenarios, functional modules, pin definitions, register descriptions, timing diagrams, and usage instructions.
The ADS7869 is an Analog Motor Control Front-End featuring simultaneous sampling on seven sample-and-hold (S/H) capacitors and three 1MSPS, 12-bit, 12-channel analog-to-digital converters (ADCs). This device integrates a fully differential analog input section with digital processing capabilities for motor control applications.
The document details the electrical characteristics, pin functions, and interface options including VECANA, SPI, and parallel interfaces. It also covers internal features such as an 8-bit DAC, window comparators, sign comparators, and various counter modules designed to handle edge counting and digital noise filtering.
| Resolution | 12-bit |
|---|---|
| Number of Channels | 12 |
| Sample-and-Hold Capacitors | Seven |
The ADS7869 serves as an analog motor control front-end featuring simultaneous sampling on seven sample-and-hold capacitors and three 1MSPS, 12-bit, 12-channel ADCs.
The device includes three analog-to-digital converters that operate at a speed of 1MSPS.
The device contains an internal 8-bit digital-to-analog converter used for offset and gain adjustments.