The ADT7410 is a complete digital temperature sensor from Analog Devices: a band gap temperature reference, an ADC and an I2C interface in one 8-lead SOIC, so a system reads calibrated degrees Celsius directly over the bus. ADT7410TRZ-REEL7 is the RoHS-compliant ("Z") version on a 7-inch reel.

Its defining claim is accuracy without calibration: ±0.5°C from -40°C to +105°C (and ±0.4°C on a 2.7 V to 3.3 V supply), factory-trimmed, with measurement extending from -55°C to +150°C. The converter runs at 13 bits (0.0625°C/LSB) by default and switches to 16 bits (0.0078°C/LSB) with one register bit - resolution fine enough to track gradients and drift that coarse sensors miss. No external components beyond bypass and I2C pull-ups are needed.

System integration is the rest of the story. The I2C interface (up to 400 kHz) offers four addresses via the A0/A1 pins, so four sensors share one bus without a mux. Two open-drain outputs act as hardware alarms: INT flags over/undertemperature limits and CT flags a critical threshold, each configurable as comparator or interrupt mode - protection that works even if firmware hangs. Power scales with duty: 210 µA in continuous conversion, ~46 µA at one sample per second, and 2 µA in shutdown for battery designs.

Note: Values are taken from the Analog Devices ADT7410 datasheet. Confirm every parameter against the latest official documentation before committing a design.

ADT7410TRZ-REEL7 is supplied in the 8-lead narrow-body SOIC (ADI outline R-8), 1.27 mm lead pitch. "Z" marks the RoHS-compliant lead-free finish and "REEL7" the 7-inch tape-and-reel packing. Because the sensor reads its own die temperature, mount it where the heat you care about flows: close to the monitored component, with copper coupling into the measured plane. Add a 0.1 µF bypass at VDD and ~10 kΩ pull-ups on SCL/SDA (and on INT/CT if used). Package dimensions and pin-1 orientation are shown below.

📄 Full specifications are detailed in the official Analog Devices ADT7410 datasheet.

The 8-lead SOIC brings out the I2C bus, address selects and the two alarm outputs:

• Pin 1 - SCL: I2C clock input (open-drain bus, ~10 kΩ pull-up).
• Pin 2 - SDA: I2C data (open-drain, ~10 kΩ pull-up).
• Pin 3 - A0: I2C address select bit 0 (tie to GND or VDD).
• Pin 4 - A1: I2C address select bit 1 - together with A0 gives 4 addresses (0x48-0x4B).
• Pin 5 - INT: Over/undertemperature alarm output, open-drain.
• Pin 6 - CT: Critical-temperature alarm output, open-drain.
• Pin 7 - GND: Ground (analog + digital).
• Pin 8 - VDD: Supply 2.7-5.5 V; bypass with 0.1 µF at the pin.

Refer to the package drawing below for the physical pin numbering of the 8-lead SOIC.

The parts below are related digital temperature sensors available in our catalog. They are not all drop-in replacements; verify interface, accuracy grade, package and pinout before substituting.

Selection Tips: Stay with the ADT7410 for ±0.5°C I2C sensing in the standard SOIC-8. Step to the ADT7420 (I2C) or ADT7320 (SPI) when ±0.25°C matters; choose the ADT7310 when the board talks SPI instead of I2C; the TMP275 is a second-source-style alternative on the same bus and accuracy class.

Analog Devices, Inc. (ADI), headquartered in Wilmington, Massachusetts, USA, is a global leader in high-performance analog, mixed-signal and RF semiconductors, with a long-standing precision temperature-sensing portfolio. The ADT7410 pairs ADI's band gap sensing and converter design so that calibrated ±0.5°C readings come straight off the I2C bus.

ADI backs the ADT7410 with full datasheet characterization, register-level programming guidance and thermal-layout application notes - the details that determine whether the sensor reports the temperature you actually intended to measure.