MAX6576ZUT+T

MAX6576ZUT+T is a SOT temperature sensor with period/frequency output. It is a low-cost, low-current temperature sensor with a single-wire output. The MAX6576 converts the ambient temperature into a square wave with a period proportional to absolute temperature (°K). The MAX6576 offers accuracy of ±3°C at +25°C, ±4.5°C at +85°C, and ±5°C at +125°C. The device features a single-wire output that minimizes the number of pins necessary to interface with a microprocessor. The period/frequency range of the output square wave can be selected by hard-wiring the two time-select pins (TS0, TS1) to either VDD or GND. The MAX6576 is available in space-saving 6-pin SOT23 package. Applications include critical μP and μC temperature monitoring, portable battery-powered equipment, cell phones, battery packs, hard drives/tape drives, networking and telecom equipment, medical equipment.

• Simple single-wire output
• Temperature to period output
• ±0.8°C accuracy at +25°C (±3°C max)
• No external components
• Operates from +2.7V to +5.5V supply voltage
• Low 140μA typical supply current
• Standard operating temperature range from -40°C to +125°C
• 400µA supply current at TA = -40°C to +125°C
• ±0.8°C typical temperature sensor error at TA = +25°C
• 10Tµs output clock period at VTS1 = GND, VTS0 = GND (T (temp) in °K)

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