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LM75CIMM-5 データシート(PDF) 1 Page - National Semiconductor (TI) |
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LM75CIMM-5 データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 18 page LM75 Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface General Description The LM75 is a temperature sensor, Delta-Sigma analog-to- digital converter, and digital over-temperature detector with I 2C® interface. The host can query the LM75 at any time to read temperature. The open-drain Overtemperature Shut- down (O.S.) output becomes active when the temperature exceeds a programmable limit. This pin can operate in either “Comparator” or “Interrupt” mode. The host can program both the temperature alarm threshold (T OS) and the temperature at which the alarm condition goes away (T HYST). In addition, the host can read back the con- tents of the LM75’s T OS and THYST registers. Three pins (A0, A1, A2) are available for address selection. The sensor powers up in Comparator mode with default thresholds of 80˚C T OS and 75˚C THYST. The LM75’s 3.0V to 5.5V supply voltage range, low supply current and I 2C interface make it ideal for a wide range of applications. These include thermal management and pro- tection applications in personal computers, electronic test equipment, and office electronics. Features n SOP-8 and Mini SOP-8 (MSOP) packages save space n I 2C Bus interface n Separate open-drain output pin operates as interrupt or comparator/thermostat output n Register readback capability n Power up defaults permit stand-alone operation as thermostat n Shutdown mode to minimize power consumption n Up to 8 LM75s can be connected to a single bus n UL Recognized Component Key Specifications j Supply Voltage 3.0V to 5.5V j Supply Current operating 250 µA (typ) 1 mA (max) shutdown 4 µA (typ) j Temperature Accuracy −25˚C to 100˚C ±2˚C(max) −55˚C to 125˚C ±3˚C(max) Applications n System Thermal Management n Personal Computers n Office Electronics n Electronic Test Equipment Simplified Block Diagram 01265801 I2C® is a registered trademark of Philips Corporation. February 2004 © 2004 National Semiconductor Corporation DS012658 www.national.com |
同様の部品番号 - LM75CIMM-5 |
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同様の説明 - LM75CIMM-5 |
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