Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-03-14
Featured ATT7022B manuals

Hitrend Technology ATT7022B Chip User Manual
This manual describes the high‑precision three‑phase measurement capabilities of the ATT7022B chip, including its sigma‑delta ADC, reference circuitry and power‑factor measurement functions. It also explains the chip’s internal architecture, calibration methods and SPI communication interface.
The document contains detailed electrical characteristics, pin assignments, package information (44‑pin QFP) and typical application parameters such as voltage ranges, temperature limits and ADC performance. This manual is written in Chinese.
Covers: Chip Characteristics · Functional Overview · Internal Structure · System Functions · Calibration Methods · SPI Interface
Latest ATT7022B manuals
Hitrend Technology ATT7022B Chip User Manual
User Manual 51 pages · 750 KB · ZHThe ATT7022B chip user manual from Hitrend Technology provides specifications, pin definitions, SPI interface details and calibration procedures.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in ATT7022B manuals
What is the recommended supply voltage for the ATT7022B?
The chip operates with VCC between 4.75 V and 5.25 V.
How many bits does the ADC provide?
The integrated ADC has a resolution of 16 bits.
