Overview
The ADT7301ARMZ-REEL7, produced by Analog Devices Inc., is a highly accurate and versatile digital temperature sensor. This component is part of the ADT7301 series and is designed to provide precise temperature measurements in a wide range of applications. The ADT7301 features a band gap temperature sensor and a 13-bit analog-to-digital converter (ADC), enabling it to digitize temperature readings with a high resolution of 0.03125°C. Available in space-saving SOT-23 and MSOP packages, this sensor is ideal for various industries including medical, automotive, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Range | −40°C to +150°C |
| Temperature Accuracy | ±0.5°C (typical), ±1°C (maximum) |
| Resolution | 13-bit, 0.03125°C |
| Supply Voltage | 2.7 V to 5.25 V |
| Package Types | 6-lead SOT-23, 8-lead MSOP |
| Serial Interface | SPI, QSPI, MICROWIRE, compatible with various microcontrollers and DSPs |
| Power Consumption (Standby) | 4.88 μW @ VDD = 3.3 V, 1 SPS |
| Digital Input High Voltage | 2.5 V |
| Digital Input Low Voltage | 0.8 V |
| Digital Output High Voltage | VDD − 0.3 V @ ISOURCE = ISINK = 200 µA |
| Digital Output Low Voltage | 0.4 V @ IOL = 200 µA |
Key Features
- High accuracy temperature measurement with ±0.5°C typical accuracy.
- 13-bit temperature reading with 0.03125°C resolution.
- Wide operating temperature range of −40°C to +150°C.
- Flexible serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
- Low power consumption with a standby mode reducing power to 4.88 μW @ VDD = 3.3 V, 1 SPS.
- Space-saving SOT-23 and MSOP packages.
- Compatible with various microcontrollers and DSPs.
Applications
- Medical equipment: precise temperature monitoring in medical devices.
- Automotive: temperature monitoring in vehicles and automotive systems.
- Environmental controls: monitoring temperature in various environmental control systems.
- Oil temperature and hydraulic systems: accurate temperature measurement in industrial applications.
- Cellular phones and hard disk drives: temperature monitoring in electronic devices.
- Personal computers and office equipment: temperature monitoring to ensure optimal performance.
- Domestic appliances: temperature control in household appliances.
- Process control: precise temperature monitoring in industrial processes.
Q & A
- What is the temperature range of the ADT7301?
The ADT7301 operates over a temperature range of −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 are the package options available for the ADT7301?
The ADT7301 is available in 6-lead SOT-23 and 8-lead MSOP packages.
- What serial interfaces does the ADT7301 support?
The ADT7301 supports SPI, QSPI, and MICROWIRE serial interfaces.
- How much power does the ADT7301 consume in standby mode?
In standby mode, the ADT7301 consumes 4.88 μW @ VDD = 3.3 V, 1 SPS.
- Is the ADT7301 compatible with various microcontrollers and DSPs?
- What are some common applications of the ADT7301?
The ADT7301 is used in medical equipment, automotive systems, environmental controls, oil and hydraulic systems, cellular phones, hard disk drives, personal computers, office equipment, domestic appliances, and process control systems.
- What is the supply voltage range for the ADT7301?
The supply voltage range for the ADT7301 is 2.7 V to 5.25 V.
- Can the ADT7301 be operated at temperatures above 125°C?
No, it is not recommended to operate the device at temperatures above 125°C for more than 5% (5,000 hours) of its lifetime to ensure device reliability.
- How accurate is the temperature measurement of the ADT7301?
The ADT7301 has a typical temperature accuracy of ±0.5°C and a maximum accuracy of ±1°C.
