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DS1621+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS1621+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page AVAILABLE Functional Diagrams Pin Configurations appear at end of data sheet. Functional Diagrams continued at end of data sheet. UCSP is a trademark of Maxim Integrated Products, Inc. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. FEATURES § Temperature measurements require no external components § Measures temperatures from -55°C to +125°C in 0.5°C increments. Fahrenheit equivalent is -67°F to 257°F in 0.9°F increments § Temperature is read as a 9-bit value (2-byte transfer) § Wide power supply range (2.7V to 5.5V) § Converts temperature to digital word in less than 1 second § Thermostatic settings are user definable and nonvolatile § Data is read from/written via a 2-wire serial interface (open drain I/O lines) § Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermal sensitive system § 8-pin DIP or SO package (150mil and 208mil) PIN ASSIGNMENT PIN DESCRIPTION SDA - 2-Wire Serial Data Input/Output SCL - 2-Wire Serial Clock GND - Ground TOUT - Thermostat Output Signal A0 - Chip Address Input A1 - Chip Address Input A2 - Chip Address Input VDD - Power Supply Voltage DESCRIPTION The DS1621 Digital Thermometer and Thermostat provides 9-bit temperature readings, which indicate the temperature of the device. The thermal alarm output, TOUT, is active when the temperature of the device exceeds a user-defined temperature TH. The output remains active until the temperature drops below user defined temperature TL, allowing for any hysteresis necessary. User-defined temperature settings are stored in nonvolatile memory so parts may be programmed prior to insertion in a system. Temperature settings and temperature readings are all communicated to/from the DS1621 over a simple 2-wire serial interface. DS1621 Digital Thermometer and Thermostat 6 3 1 2 4 8 7 5 SDA TOUT GND VDD A0 A1 A2 DS1621S 8-PIN SO (150mil) DS1621V 8-PIN SO (208mil) 6 3 1 2 4 8 7 5 SDA SCL TOUT GND VDD A0 A1 A2 DS1621 8-PIN DIP (300mil) SCL 090905 |
Similar Part No. - DS1621+ |
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Similar Description - DS1621+ |
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