±0.5°C Accurate Temperature Sensor Powers up with a User-Defined Configuration and Thermostat Thresholds
Note to Editor:
- The DS7505 is a high-accuracy, LM75-/DS75-compatible digital temperature sensor and thermostat.
- This temperature sensor is able to power-up with a user-defined configuration and thermostat thresholds.
- To enable this functionality, the DS7505 stores the thermostat and configuration registers in nonvolatile EEPROM.
- The DS7505 is ideal for applications that require high-accuracy temperature sensing, such as base-station, telecom, networking, and medical systems.
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SUNNYVALE, CA—July 24, 2008—Maxim Integrated Products (PINK OTC MARKETS: MXIM) introduces the DS7505 ±0.5°C accurate, digital temperature sensor and thermostat with nonvolatile memory (EEPROM). The integration of nonvolatile EEPROM enables this device to power-up with a user-defined configuration and thermostat thresholds, whereas other similar devices store threshold and configuration data in volatile memory and, therefore, can only power-up in the factory-defined state. Software and pin compatible with the industry-standard LM75 and Maxim's DS75, the DS7505 is ideal for applications that require high-accuracy temperature sensing, such as base-station, telecom, networking, and medical systems.
The DS7505 is factory calibrated to provide ±0.5°C accuracy over its entire supply-voltage range and a wide, 0°C to +70°C temperature range. It is ±2.0°C (max) accurate over its full, -55°C to +125°C operating-temperature range. Thermometer resolution is reported as user-selectable 9-, 10-, 11-, or 12-bit digital readings that translate to temperature increments between 0.5°C (9 bit) and 0.0625°C (12 bit).
To further enhance flexibility, the DS7505's user-defined configuration options include active or standby state, conversion resolution, thermostat mode, output polarity, and fault tolerance. Additionally, the nonvolatile thermostat and configuration registers allow the device to power-up and operate as a stand-alone thermostat with no need to communicate with a microcontroller.
The DS7505 operates from a low, 1.7V to 3.7V supply voltage and can, therefore, be connected directly to low-voltage supply rails. Because the device is function, pin, and software compatible with the popular LM75/DS75, it is easy to migrate to low-voltage and/or higher-precision designs using the DS7505. Communication with the DS7505 is achieved through a standard 2-wire (I²C) serial interface.
The DS7505 is available in a lead-free, 8-pin SO package; an 8-pin µSOP (µMAX®) package with an exposed pad is available as demand warrants. Prices start at $1.40 (1000-up, FOB USA).
Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells over $2 billion of high-performance semiconductor products annually. It was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, Maxim has developed over 5700 products serving the industrial, communications, consumer, and computing markets. For more information, go to www.maxim-ic.com.
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