MAX7500MSA+T

The MAX7500MSA+T is a digital temperature sensor and thermal watchdog with bus lock-up protection in 8 pin NSOIC package. This device accurately measures temperature and provide an overtemperature alarm/interrupt/shutdown output. It converts temperature measurements to digital form using high resolution, sigma delta ADC and communicates through an I2C compatible 2-wire serial interface. The MAX7500 accepts standard I2C commands to read data, set overtemperature alarm (OS) trip thresholds and configure other characteristics. The 2-wire serial interface accepts standard write byte, read byte, send byte and receive byte commands to read temperature data and configure the behaviour of open-drain overtemperature shutdown output. The MAX7500 has three address select lines. The 3V to 5.5V supply voltage range, low 250μA supply current and lock-up protected I2C compatible interface make it ideal for wide range of applications including PCs, electronic test equipment and office electronics.

• 9bit resolution with 100ms conversion time
• Operating temperature range from -55°C to 125°C
• Hardware reset for added protection
• Integrates timeout feature that offers protection against I2C bus lock-ups
• Shutdown supply current of 3μA
• Accuracy (6-σ) of ±2°C at 25°C ≤ TA ≤ +100°C and ±3°C at -55°C ≤ TA ≤ +125°C
• Separate open-drain OS output operates as interrupt or comparator/thermostat input
• Register readback capability, improved LM75 second source
• Serial clock frequency range from DC to 400KHz
• Accuracy (3-σ) of +1.5°C at -25°C ≤ TA ≤ +100°C and +2.0°C at 55°C ≤ TA ≤ +125°C

Applications

Sensing & Instrumentation, Industrial

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party