Analog Devices Inc. ADT75BRMZ-REEL

The ADT75BRMZ-REEL, produced by Analog Devices Inc., is a highly accurate and compact digital temperature sensor. This device is designed to provide precise temperature measurements and is packaged in an 8-lead MSOP (Micro Small Outline Package). The ADT75 is a complete temperature monitoring system that includes a band gap temperature sensor and a 12-bit analog-to-digital converter (ADC). It operates over a wide supply voltage range from 2.7 V to 5.5 V and is rated for operation in temperatures from −55°C to +125°C, making it suitable for a variety of industrial and automotive applications.

• High Accuracy: The ADT75 offers high accuracy with ±2°C from −25°C to +100°C and ±1°C from 0°C to +70°C for different grades.
• Compact Package: Available in an 8-lead MSOP package, making it suitable for space-constrained applications.
• Wide Operating Range: Operates over a supply voltage range of 2.7 V to 5.5 V and a temperature range of −55°C to +125°C.
• Low Power Consumption: Features a normal mode supply current of 200 µA and a shutdown mode current of 3 µA.
• SMBus/I2C Compatibility: The serial interface is SMBus/I2C-compatible, facilitating easy integration into various systems).
• Programmable Alert Function: The OS/ALERT pin can be configured to operate in either comparator or interrupt mode, providing flexible alert mechanisms).
• Address Selection: The A0, A1, and A2 pins are available for address selection, allowing multiple devices to be connected on the same bus).

• Industrial Automation: Suitable for temperature monitoring in industrial control systems and automation equipment.
• Automotive Systems: Used in automotive applications where precise temperature monitoring is critical, such as in engine control units and climate control systems.
• Medical Devices: Applicable in medical equipment where accurate temperature sensing is essential, such as in patient monitoring systems and medical imaging devices.
• Consumer Electronics: Can be used in consumer electronics like smart home devices, HVAC systems, and other temperature-sensitive applications.

1. What is the operating temperature range of the ADT75?

   The ADT75 operates over a temperature range of −55°C to +125°C).

2. What is the supply voltage range for the ADT75?

   The ADT75 can operate with supply voltages from 2.7 V to 5.5 V).

3. What is the resolution of the ADT75's ADC?

   The ADT75 has a 12-bit ADC resolution, providing a temperature resolution of 0.0625°C).

4. How often does the ADT75 update its temperature readings?

   The ADT75 updates its temperature readings every 100 ms).

5. What is the typical supply current in normal mode for the ADT75?

   The typical supply current in normal mode is 200 µA at VDD = 3.3 V).

6. Can the ADT75 be used in multiple device configurations?

   Yes, the ADT75 allows multiple devices to be connected on the same bus using address selection pins A0, A1, and A2).

7. What is the purpose of the OS/ALERT pin on the ADT75?

   The OS/ALERT pin can be configured to operate in either comparator or interrupt mode to alert when the temperature exceeds a programmable limit).

8. Is the ADT75 RoHS compliant?

   Yes, the ADT75 is RoHS compliant).

9. What is the typical long-term drift of the ADT75?

   The typical long-term drift is 0.08°C over 10 years if operated at 55°C).

10. What interface does the ADT75 use for communication?

    The ADT75 uses an SMBus/I2C-compatible serial interface).