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Part Number: MAX6662
Description: The MAX6662 is a 12-bit + sign temperature sensor combined with a programmable overtemperature alarm a...
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MAX6662
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General Description
MAX6662 General Description
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°C resolution.The temperature data is readable at any time through the serial interface. The operating temperature range is -55°C to +150°C.
The MAX6662 provides two programmable watchdog interrupt outputs. ALERT is used for lower temperature warning functions, while 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.
MAX6662 Maximum Ratings
All Voltages Are Referenced to GND
VCC........................................................................-0.3V to +6V
ALERT, OT...............................................................-0.3V to +6V
SIO, SCLK, CS............................................-0.3V to (VCC + 0.3V)
SIO Current .....................................................-10mA to +50mA
Continuous Current into Any Pin (except NC)..................10mA
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.9mW/°C above +70°C)..................471mW
Operating Temperature Range (Note 1) .......-55°C to +150°C
Junction Temperature....................................................+150°C
Storage Temperature Range ........................-65°C to +150°C
Lead Temperature (soldering, 10s) ..............................+300°C
Note 1: The MAX6662 is not recommended to operate above +125°C for an extended period of time
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX6662 Features
` 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, 125A (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
` 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, 125A (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
MAX6662 Typical Application
HVAC
Refrigeration
Automotive
Test Equipment
Refrigeration
Automotive
Test Equipment
MAX6662 Connection Diagram
MAX6662
PDF/DataSheet Download
- Datasheet: MAX6662
- File Size: 169812 KB
- Manufacturer: Maxim
- Click here to Download
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