Description

The 1404-2 is a high accuracy, low-cost, System Management Bus (SMBus) temperature sensor. It is designed to provide a robust solution for complex environmental monitoring applications. The sensor features advanced functions such as Resistance Error Correction (REC), Beta Compensation, and automatic diode type detection. It is suitable for various applications including notebook computers, desktop computers, industrial use, and embedded applications.

Specifications and features

- Support for diodes requiring the BJT/transistor model, compatible with 45nm, 65nm, and 90nm CPU thermal diodes.

- Automatically determines external diode type and optimal settings.

- Resistance Error Correction for accurate temperature readings.

- External Temperature Monitors with ±1°C accuracy (60°C < TDIODE < 100°C) and 0.125°C resolution.

- Anti-parallel diodes for extra diode support.

- Internal Temperature Monitor with ±2°C accuracy.

- 3.3V Supply Voltage.

- Programmable temperature limits for ALERT and THERM.

- Available in RoHS Compliant Packages: 10-pin 3mm x 3mm DFN, 10-pin MSOP, and 14-pin SOIC.

Application Scenarios

- Notebook computers

- Desktop computers

- Industrial use

- Embedded applications

Comparison

[Advantages]

[Disadvantages]