MAX31722MUA+ Maxim Integrated Products, MAX31722MUA+ Datasheet
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MAX31722MUA+
Specifications of MAX31722MUA+
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MAX31722MUA+ Summary of contents
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... Thermostat Output with User-Defined Nonvolatile S Thresholds Data is Read from/Written to by SPI (Mode 0 and 3-Wire Serial Interface 1.7V to 3.7V Power-Supply Range S Available in 8-Pin µMAX S PART MAX31722MUA+ MAX31722MUA+T MAX31723MUA+ MAX31723MUA+T +Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. PRECISION OVERSAMPLING REFERENCE MODULATOR CONFIGURATION/ STATUS REGISTER I/O CONTROL ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface ABSOLUTE MAXIMUM RATINGS Voltage Range on V Relative to GND ..............-0.3V to +6.0V DD Voltage Range on Any Other Pin Relative to GND ...-0.3V to +6.0V Continuous Power Dissipation (T = +70NC) A ...
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Digital Thermometers and Thermostats AC ELECTRICAL CHARACTERISTICS: 3-WIRE INTERFACE (V = 1.7V to 3.7V -55NC to +125NC, unless otherwise noted.) (Figures PARAMETER SYMBOL Data to SCLK Setup SCLK to Data Hold SCLK to Data ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface SCLK t CDH I/O* *I/O IS SDI AND SDO CONNECTED TOGETHER. Figure 1. Timing Diagram: 3-Wire Read Data Transfer SCLK I/O* ...
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Digital Thermometers and Thermostats SCLK t CDH t DC SDI A7 SDO WRITE ADDRESS BYTE NOTE: SCLK CAN BE EITHER POLARITY, TIMING SHOWN FOR CPOL = 1. Figure 3. Timing Diagram: SPI Read Data Transfer CE t ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface (T = +25°C, unless otherwise noted.) A TEMPERATURE CONVERSION ACTIVE SUPPLY CURRENT vs. TEMPERATURE 1200 1000 V = 3.7V DD 800 600 400 V = 1.7V DD 200 0 -55 -35 -15 5 ...
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Digital Thermometers and Thermostats Pin Configuration TOP VIEW + TOUT MAX31722 MAX31723 SCLK 3 GND 4 µMAX PIN NAME 1 Thermostat Output. Open-drain output indicator for internal thermal alarm limits. TOUT Chip Enable. Must be asserted high ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface Measuring Temperature The core of the devices’ functionality is its direct-to-digital temperature sensor. The devices measure temperature through the use of an on-chip temperature measure- ment technique with a -55NC to +125NC operating ...
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Digital Thermometers and Thermostats The devices’ thermostat can be programmed to power up in either comparator mode or interrupt mode, which activate and deactivate the open-drain thermostat output (TOUT) based on user-programmable trip points (T and T ). The T ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface In either mode, once TOUT has been deactivated only reactivated when the measured temperature falls below the T value. Thus, this interrupt/clear pro- LOW cess is cyclical between T and T ...
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Digital Thermometers and Thermostats Table 3. Configuration/Status Register Bit Descriptions (continued) R1: Thermostat resolution bit 1. Factory power-up state = 0 and is stored in nonvolatile memory. Sets the con- BIT 2 version resolution (see Table 4). R0: Thermostat resolution ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface CPOL = 1 CE SCLK CPOL = 0 CE SCLK NOTE: CPOL IS A BIT THAT IS SET IN THE MICROCONTROLLER’S CONTROL REGISTER. Figure 7. Serial Clock as a Function of Microcontroller Clock ...
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Digital Thermometers and Thermostats CE SCLK SDI SDO HIGH-Z Figure 8. SPI Single-Byte Read CE SCLK SDI SDO HIGH-Z Figure 9. SPI Single-Byte Write CE SCLK WRITE SDI SDI READ SDO Figure 10. SPI ...
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Digital Thermometers and Thermostats with SPI/3-Wire Interface CE SCLK I/ *I/O IS SDI AND SDO CONNECTED TOGETHER. Figure 11. 3-Wire Single-Byte Transfer CE SCLK ADDRESS I/O* BYTE *I/O IS SDI AND SDO CONNECTED TOGETHER. Figure 12. 3-Wire ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...