ADT7410TRZ Analog Devices Inc, ADT7410TRZ Datasheet
ADT7410TRZ
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ADT7410TRZ Summary of contents
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FEATURES 13- or 16-bit user selectable temperature-to-digital converter Temperature accuracy: ±0.5°C from −40°C to +105°C No temperature calibration/correction required by user Power saving 1 sample per second (SPS) mode Fast first conversion on power- C-compatible ...
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ADT7410 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... Timing Specifications ............................................................ 4 Absolute Maximum Ratings ............................................................ 5 ESD Caution ...
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SPECIFICATIONS T = −55°C to +150° 2 5.5 V, unless otherwise noted Table 1. Parameter Min TEMPERATURE SENSOR AND ADC 1 Accuracy ADC Resolution Temperature Resolution 13-Bit 16-Bit Temperature Conversion Time Fast Temperature Conversion ...
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ADT7410 TIMING SPECIFICATIONS T = −55°C to +150° 2 5.5 V, unless otherwise noted. All input signals are specified with rise time ( (10 and timed ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter V to GND DD SDA Voltage to GND SCL Output Voltage to GND A0 Input Voltage to GND A1 Input Voltage to GND CT and INT Output Voltage to GND ESD Rating (Human Body ...
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ADT7410 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 SCL Serial Clock Input. The serial clock is used to clock in and clock out data to and from any register ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1.0 0.8 0.6 MAX ACCURACY LIMITS 0.4 0.2 0 –0.2 –0.4 –0.6 MAX ACCURACY LIMITS –0.8 –1.0 –60 –40 – TEMPERATURE (°C) Figure 5. Temperature Accuracy 1.0 0.8 MAX ACCURACY ...
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ADT7410 0.30 I CONTINUOUS CONVERSION DD 0.25 0.20 0.15 0.10 I 1SPS DD 0.05 0 2.5 3.0 3.5 4.0 4.5 SUPPLY VOLTAGE (V) Figure 9. Average Operating Supply Current vs. Supply Voltage at 25° ...
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THEORY OF OPERATION CIRCUIT INFORMATION The ADT7410 is a 13-bit digital temperature sensor that is extend- able to 16 bits for greater resolution. An on-board temperature sensor generates a voltage proportional to absolute temperature, which is compared to an internal ...
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ADT7410 ONE-SHOT MODE Setting Bit and Bit the configuration register (Register Address 0x03) enables the one-shot mode. When this mode is enabled, the ADT7410 immediately completes a conversion and then goes into shutdown ...
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SHUTDOWN The ADT7410 can be placed in shutdown mode by writing 1 to Bit 5 and 1 to Bit 6 of the configuration register (Register Address 0x03), in which case the entire IC is shut down and no further conversions ...
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ADT7410 TEMPERATURE DATA FORMAT One LSB of the ADC corresponds to 0.0625°C in 13-bit mode. The ADC can theoretically measure a temperature range of 255°C, but the ADT7410 is guaranteed to measure a low value temperature limit of −55°C to ...
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REGISTERS The ADT7410 contains 14 registers: • Nine temperature registers • A status register • register • A configuration register • An address pointer register • A software reset All registers are eight bits wide. The temperature value ...
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ADT7410 STATUS REGISTER This 8-bit read-only register reflects the status of the overtempera- ture and undertemperature interrupts that can cause the CT and INT pins to go active. It also reflects the status of a temperature conversion operation. The interrupt ...
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T SETPOINT REGISTERS HIGH The T setpoint MSB and T setpoint LSB registers store HIGH HIGH the overtemperature limit value. An overtemperature event occurs when the temperature value stored in the temperature value register exceeds the value stored in this ...
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ADT7410 T SETPOINT REGISTER HYST This 8-bit read/write register stores the temperature hysteresis value for the and T temperature limits. The HIGH LOW CRIT temperature hysteresis value is stored in straight binary format using four LSBs. ...
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SERIAL INTERFACE TO INTERRUPT PIN ON MICROCONTROLLER Control of the ADT7410 is carried out via the I serial interface. The ADT7410 is connected to this bus as a slave and is under the control of a master device. 2 Figure ...
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ADT7410 WRITING DATA It is possible to write either a single byte of data or two bytes to the ADT7410, depending on which registers are to be written. Writing a single byte of data requires the serial bus address, the ...
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READING DATA Reading data from the ADT7410 is done in a single data byte operation for the configuration register, the status register, the T register, and the ID register. A two data byte read HYST operation is needed for the ...
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ADT7410 1 SCL SDA START ADT7410 DEVICE ADDRESS 1 SR SCL SDA 1 0 REPEAT ADT7410 DEVICE ADDRESS START NOTES 1. A START CONDITION AT THE BEGINNING IS DEFINED AS A HIGH-TO-LOW TRANSITION ON SDA WHILE SCLK ...
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INT AND CT OUTPUTS The INT and CT pins are open-drain outputs, and both pins require a 10 kΩ pull-up resistor UNDERTEMPERATURE AND OVERTEMPERATURE DETECTION The INT and CT pins have two undertemperature/overtemperature modes: comparator mode ...
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ADT7410 (COMPARATOR MODE) POLARITY = ACTIVE LOW (INTERRUPT MODE) POLARITY = ACTIVE LOW (COMPARATOR MODE) POLARITY = ACTIVE HIGH (INTERRUPT MODE) POLARITY = ACTIVE HIGH Figure 20. INT Output Temperature Response Diagram for T TEMPERATURE –13°C –14°C –15°C –16°C –17°C ...
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APPLICATIONS INFORMATION THERMAL RESPONSE TIME The time required for a temperature sensor to settle to a specified accuracy is a function of the thermal mass of the sensor and the thermal conductivity between the sensor and the object being sensed. ...
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... ORDERING GUIDE Model Temperature Range ADT7410TRZ 2 –55°C to +150°C 2 ADT7410TRZ-REEL –55°C to +150°C 2 ADT7410TRZ-REEL7 –55°C to +150°C 2 EVAL-ADT7410EBZ 1 Maximum accuracy over the −40°C to +105°C temperature range RoHS Compliant Part. 2 Purchase of licensed I C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I ...