Overview
The ADT7302ARTZ-500RL7, produced by Analog Devices Inc., is a highly accurate and versatile digital temperature sensor. This component is designed to provide precise measurements of ambient temperature, making it suitable for a wide range of applications. The ADT7302 features an on-chip temperature sensor, a low power consumption profile, and a SPI-compatible interface, which enhances its usability in various environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Temperature Range | -40°C | 125°C | °C | ||
| Temperature Accuracy | ±1°C | ±2°C | ±3°C | °C | TA = 0°C to 70°C, TA = -20°C to +85°C, TA = -40°C to +125°C |
| Temperature Resolution | 0.03125°C | °C | |||
| Autoconversion Update Rate | 1.5 sec | sec | Temperature measurement every 1.5 seconds | ||
| Temperature Conversion Time | 1.2 ms | ms | |||
| Supply Voltage | 2.7 V | 5.25 V | V | For specified performance | |
| Supply Current (Normal Mode) | 1.6 mA | 2.2 mA | mA | VDD = 3.3 V, powered up and converting | |
| Supply Current (Shutdown Mode) | 190 µA | 300 µA | µA | VDD = 3.3 V |
Key Features
- On-chip temperature sensor for accurate ambient temperature measurement.
- High temperature accuracy of ±2°C over the range of -40°C to +125°C.
- Low power consumption with a maximum supply current of 2.2 mA in normal mode and 300 µA in shutdown mode.
- Space-saving 6-lead SOT-23 and 8-lead MSOP packages.
- 13-bit temperature reading with a resolution of 0.03125°C.
- SPI-compatible interface for easy integration with microcontrollers and DSP processors.
- Automatic shutdown mode to reduce power consumption.
Applications
The ADT7302ARTZ-500RL7 is ideal for various applications due to its high accuracy, low power consumption, and compact design. These include:
- Personal Computers (PCs)
- Office Equipment
- Automotive Systems
- Domestic Appliances
Q & A
- What is the temperature measurement range of the ADT7302ARTZ-500RL7?
The temperature measurement range is -40°C to +125°C. - What is the temperature accuracy of the ADT7302ARTZ-500RL7?
The temperature accuracy is ±2°C over the range of -40°C to +125°C. - What is the supply voltage range for the ADT7302ARTZ-500RL7?
The supply voltage range is 2.7 V to 5.25 V. - What is the resolution of the temperature readings provided by the ADT7302ARTZ-500RL7?
The resolution is 0.03125°C. - How often does the ADT7302ARTZ-500RL7 perform temperature conversions in normal mode?
Temperature conversions are performed every 1.5 seconds in normal mode. - What is the typical temperature conversion time for the ADT7302ARTZ-500RL7?
The typical temperature conversion time is 1.2 ms. - Can the ADT7302ARTZ-500RL7 be placed in a shutdown mode to reduce power consumption?
Yes, the ADT7302ARTZ-500RL7 can be placed in a shutdown mode to reduce power consumption to as low as 4.88 µW. - What types of packages are available for the ADT7302ARTZ-500RL7?
The ADT7302ARTZ-500RL7 is available in 6-lead SOT-23 and 8-lead MSOP packages. - Is the ADT7302ARTZ-500RL7 compatible with any specific microcontrollers or DSP processors?
Yes, it is compatible with microcontrollers such as the 80C51, 87C51, 68HC11, 68HC05, and PIC16Cxx, as well as DSP processors. - How does the serial interface of the ADT7302ARTZ-500RL7 work?
The serial interface allows for read and write operations synchronized to the serial clock, enabling data transfer from the temperature value register and control register.
