Overview
The ADT7301ARMZ, produced by Analog Devices Inc., is a comprehensive temperature monitoring system. It is available in space-saving SOT-23 and MSOP packages, making it suitable for a wide range of applications. The device integrates a band gap temperature sensor and a 13-bit analog-to-digital converter (ADC), enabling accurate temperature measurements with a resolution of 0.03125°C. The ADT7301 features a flexible serial interface compatible with SPI, QSPI, and MICROWIRE protocols, as well as DSPs, facilitating easy integration with most microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Range | −40°C to +150°C |
| Temperature Accuracy | ±0.5°C (typical) |
| Resolution | 13-bit, 0.03125°C |
| Supply Voltage | 2.7 V to 5.25 V |
| Package Types | SOT-23, MSOP |
| Serial Interface | SPI, QSPI, MICROWIRE, DSP compatible |
| Shutdown Mode Power Consumption | 4.88 μW (VDD = 3.3 V @ 1 SPS) |
Key Features
- On-chip band gap temperature sensor for accurate ambient temperature measurement.
- 13-bit temperature reading with 0.03125°C resolution.
- Flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs.
- Low power consumption with a shutdown mode reducing power to 4.88 μW.
- Wide supply voltage range of 2.7 V to 5.25 V.
- Compact SOT-23 and MSOP packages.
Applications
- Medical equipment
- Automotive systems
- Environmental controls
- Oil and hydraulic systems
- Cellular phones
- Hard disk drives
- Personal computers
- Electronic test equipment
- Office equipment
- Domestic appliances
- Process control systems
Q & A
- What is the temperature measurement range of the ADT7301?
The ADT7301 can measure temperatures from −40°C to +150°C. - What is the resolution of the temperature readings provided by the ADT7301?
The ADT7301 provides 13-bit temperature readings with a resolution of 0.03125°C. - What types of packages are available for the ADT7301?
The ADT7301 is available in SOT-23 and MSOP packages. - What is the typical temperature accuracy of the ADT7301?
The typical temperature accuracy is ±0.5°C. - What serial interfaces is the ADT7301 compatible with?
The ADT7301 is compatible with SPI, QSPI, MICROWIRE, and DSPs. - How does the shutdown mode affect power consumption?
In shutdown mode, the power consumption is reduced to 4.88 μW (VDD = 3.3 V @ 1 SPS). - What is the supply voltage range for the ADT7301?
The supply voltage range is 2.7 V to 5.25 V. - Can the ADT7301 be used in automotive applications?
Yes, the ADT7301 is suitable for automotive applications due to its wide temperature range and low power consumption. - How does the ADT7301 interface with microcontrollers?
The ADT7301 interfaces with microcontrollers through a flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs. - What are some common applications of the ADT7301?
Common applications include medical equipment, environmental controls, cellular phones, hard disk drives, and domestic appliances.
