Key facts
- Brand
- Analog Devices
- Model
- ADT7470
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-15
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Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Manual
The ADT7470 is a multichannel temperature‑sensor hub and PWM fan controller designed for noise‑sensitive systems that require active cooling. It monitors up to ten remote temperature sensors and independently controls the speed of up to four fans via an I²C/SMBus interface.
The manual provides full specifications, absolute maximum ratings, pin descriptions, functional block diagrams, register maps, SMBus communication protocols, fan‑speed measurement methods, interrupt handling, and configuration options such as automatic fan control and temperature‑based fan curves.
Analog Devices ADT7470 specifications
| Supply Voltage Range | 3.0 V to 5.5 V |
|---|---|
| Operating Temperature Range | -40°C to +125°C |
| Max Clock Frequency | 400 kHz |
| Number of Fan Channels | 4 |
| Max Remote Temperature Sensors | 10 |
| Package Type | 16-Lead QSOP |
Source: Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Data Sheet
All Analog Devices ADT7470 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum clock frequency supported?
The device supports a fast I2C standard with a maximum frequency of 400 kHz.
From: Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Data Sheet
How many fans can be controlled simultaneously?
The ADT7470 can monitor and control the speed of four fans independently.
From: Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Data Sheet
How many temperature sensors can the ADT7470 monitor?
It can monitor up to ten remote temperature sensors.
From: Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Manual
How many fans can be controlled independently by the ADT7470?
The device can independently control the speed of up to four fans.
From: Analog Devices ADT7470 Temperature Sensor Hub and Fan Controller Manual