DS7505S MAXIM [Maxim Integrated Products], DS7505S Datasheet

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... Optional Bus Timeout Feature Prevents Lockup Problems on 2-Wire Interface o Multidrop Capability Simplifies Distributed Temperature-Sensing Applications o Pin/Software Compatible with the LM75 o Available in 8-Pin SO and µMAX 8 VDD PART 7 A0 DS7505S DS7505S+T& DS7505U+ DS7505U+T&R +Denotes a lead-free package. 8 VDD T&R = Tape and reel Commands are capitalized for clarity ...

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Digital Thermometer and Thermostat ABSOLUTE MAXIMUM RATINGS Voltage Range on VDD Relative to Ground ..........-0.3V to +4.0V Voltage Range on Any Other Pin Relative to Ground.............................................-0.3V to +6.0V Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage ...

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Digital Thermometer and Thermostat AC ELECTRICAL CHARACTERISTICS (continued) (1.7V ≤ V ≤ 3.7V -55°C to +125°C, unless otherwise noted PARAMETER SYMBOL EEPROM Data Retention Bus Free Time Between a STOP and START Condition START and Repeated ...

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Digital Thermometer and Thermostat PIN NAME 1 SDA Data Input/Output. For 2-wire serial communication port. Open drain. 2 SCL Clock Input. For 2-wire serial communication port. 3 O.S. Thermostat Output. Open drain. 4 GND Ground 5 A2 Address Input 6 ...

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Digital Thermometer and Thermostat OperationMeasuring The DS7505 measures temperature using a bandgap temperature-sensing architecture. An on-board delta- sigma analog-to-digital converter (ADC) converts the measured temperature to a digital value that is calibrat degrees Celsius; for Fahrenheit applications a ...

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Digital Thermometer and Thermostat Shutdown Mode For power-sensitive applications, the DS7505 offers a low-power shutdown mode. The SD bit in the configura- tion register controls shutdown mode. When SD is pro- grammed to 1, the conversion in progress is completed ...

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Digital Thermometer and Thermostat IN THIS EXAMPLE, THE DS7505 IS CONFIGURED TO HAVE A FAULT TOLERANCE OF 2. TEMPERATURE O.S. OUTPUT—COMPARATOR MODE O.S. OUTPUT—INTERRUPT MODE Figure 4. O.S. Output Operation Example In interrupt mode, the O.S. output first becomes active ...

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Digital Thermometer and Thermostat Configuration Register The configuration register allows the user to program various DS7505 options such as conversion resolution, thermostat fault tolerance, thermostat polarity, thermo- stat operating mode, and shutdown mode. The configu- ration register is arranged as ...

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Digital Thermometer and Thermostat Table 3. Resolution Configuration THERMOMETER R1 R0 RESOLUTION (BITS Table 4. Fault Tolerance Configuration CONSECUTIVE OUT-OF-LIMITS F1 F0 CONVERSIONS TO TRIGGER O. ...

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... The three address pins allow up to eight DS7505s to be mul- tidropped on the same bus. Address Byte: The control byte is transmitted by the master and consists of the 7-bit slave address plus a SDA SCL Figure 6. Start, Stop, and ACK Signals ...

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Digital Thermometer and Thermostat General 2-Wire Information • All data is transmitted MSB first over the 2-wire bus. • One bit of data is transmitted on the 2-wire bus each SCL period. • A pullup resistor is required on the ...

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Digital Thermometer and Thermostat Copy Data [48h] 0100 1000 Copies data from all SRAM shadow registers to EEPROM recommended that a Copy Data com- mand be performed after writing EEPROM-backed memory locations to guarantee data integrity in the ...

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Digital Thermometer and Thermostat Package Information (For the latest package outline information www.maxim-ic.com/DallasPackInfo.) PACKAGE TYPE 8 SO (150 mils) 8 µMAX ______________________________________________________________________________________ DOCUMENT NO. 56-G2008-001 21-0036 13 ...

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Digital Thermometer and Thermostat REVISION REVISION NUMBER DATE 0 2/08 Initial release. Removed references to exposed pad (µMAX package does not have an EP); 1 3/08 corrected package information outline document number. Maxim cannot assume responsibility for use of any ...