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FULL DATA SHEET (PDF, 172kB) Download   E-Mail The MAX6662 is a 12-bit + sign temperature sensor combined with a programmable overtemperature alarm and a 3-wire (SPI™-compatible) serial interface in a single package. It converts its die temperature into digital values using an internal analog-to-digital converter (ADC). The temperature data is stored in a temperature register as a 13-bit word, which allows 0.0625° resolution. The temperature data is readable at any time through the serial interface. The operating temperature range is -55° to +150°. The MAX6662 provides two programmable watchdog interrupt outputs. Active-Low ALERT is used for lower temperature warning functions, while active-low OT is used for higher temperature-critical functions, such as power-supply shutdown. The MAX6662 features a shutdown mode that saves power by disabling everything except the serial interface. The temperature sensor is available in an 8-pin SO package.

Key Features		Applications/Uses
12-Bit + Sign, 0.0625°C Resolution Accuracy ±1°C max (+30°C to +50°C) ±1.6°C max (0°C to +70°C) ±2.5°C max (-20°C to +85°C) ±2.5 typ (+150°C) Extended Temperature Measurement Range -55°C to +150°C Low Average Supply Current, 125µA (typ) Shutdown Mode to Minimize Power Consumption in Portable Applications Two Programmable Temperature Fault Outputs Switchable Fault Queue to Eliminate False Tripping in Noisy Environments		Automotive Electronics HVAC Refrigeration Test Equipment

Diagram

Typical Operating Circuit

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