Rainbow-electronics DS1726 Bedienungsanleitung

1 of 13 01/23/03FEATURES§ Temperature Measurements Require NoExternal Components§ Measure Temperatures from -55°C to +125°C(-67°F to +257°F)§ DS162

DS1626/DS172610 of 13Table 5. CONFIGURATION REGISTER BIT DESCRIPTIONSBIT NAME(USER ACCESS)FUNCTIONAL DESCRIPTIONDONE(Read Only)Power-up state = 1.DONE

DS1626/DS172611 of 133-WIRE SERIAL DATA BUSThe 3-wire bus consists of three signals: RST (reset—active low), CLK (clock), and DQ (data). 3-wirecommuni

DS1626/DS172612 of 13Figure 7. 3-WIRE COMMUNICATIONa) Start Temperature Conversionb) Write to the TH/TL Registersc) Write to the Configuration Regis

DS1626/DS172613 of 13DS1626/DS1726 COMMAND SETThe DS1626/DS1726 command set is detailed below:Start Convert T 51h 0101 0001Initiates temperature conve

DS1626/DS17262 of 13 ORDERING INFORMATIONPART PACKAGE MARKING DESCRIPTIONDS1626U D16268-Pin mSOPDS1626U/T&R D16268-Pin mSOP, 3000-Piece Tape-and-R

DS1626/DS17263 of 13ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground -0.5V to +6.0VOperating Temperature Range -55°C to +125°CStorage Te

DS1626/DS17264 of 13EEPROM AC ELECTRICAL CHARACTERISTICS(VDD = 2.7V to 5.5V; TA = -55°C to +125°C.)PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITSEEPROM

DS1626/DS17265 of 13Figure 2. TYPICAL OPERATING CURVESFigure 3. TIMING DIAGRAMSa) Read Timingb) Write Timing-1-0.8-0.6-0.4-0.200.20.40.60.80 102030405

DS1626/DS17266 of 13OPERATION—MEASURING TEMPERATUREThe DS1626/DS1726 measure temperature using a bandgap-based temperature sensor. A delta-sigmaanalog

DS1626/DS17267 of 13Table 4. 12-BIT RESOLUTION TEMPERATURE/DATA RELATIONSHIPTEMPERATURE(°C)DIGITAL OUTPUT(BINARY)DIGITAL OUTPUT(HEX)+125 0111 1101 000

DS1626/DS17268 of 13CPU BIT AND STAND-ALONE THERMOSTAT OPERATIONIn stand-alone thermostat mode, DS1626/DS1726 thermostat functionality can be used wit

DS1626/DS17269 of 13Figure 5. THERMOSTAT OUTPUT OPERATIONCONFIGURATION REGISTERThe configuration register allows the user to customize the DS1626/DS17