adt7320ucpz-rl7 Analog Devices, Inc., adt7320ucpz-rl7 Datasheet
adt7320ucpz-rl7
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adt7320ucpz-rl7 Summary of contents
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... REGISTER Σ-Δ TEMPERATURE MODULATOR SENSOR ID REGISTER POINTER REGISTER FILTER LOGIC Figure 1. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADT7320 ADT7320 CRIT INT 9 T HIGH T LOW 11 GND www.analog.com ©2010 Analog Devices, Inc. All rights reserved. ...
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ADT7320 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 SPI Timing Specifications ........................................................... 4 Absolute Maximum Ratings ............................................................ 6 ESD Caution .................................................................................. 6 ...
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Preliminary Technical Data SPECIFICATIONS T = −40°C to +125° 2 5.5 V, unless otherwise noted Table 1. Parameter TEMPERATURE SENSOR AND ADC Accuracy 1 ADC Resolution Temperature Resolution 13 Bit 16 Bit Temperature Conversion ...
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... Accuracy specification includes repeatability. 2 The equivalent 3-Σ limits are ±0.15°C. This 3-Σ specification is provided to enable comparison with other vendors who use these limits. 3 For higher accuracy operation, contact Analog Devices, Inc. 4 Based on a floating average of 10 readings. 5 Drift includes solder heat resistance and life time test performed as per JEDEC Standard JESD22-A108. ...
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... Digital SPI Temperature Sensor LSB Figure 2. Detailed SPI Timing Diagram One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADT7320 MSB LSB www.analog.com ©2010 Analog Devices, Inc. All rights reserved. ...
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ADT7320 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter V to GND DD DIN Input Voltage to GND DOUT Voltage to GND SCLK Input Voltage to GND CS Input Voltage to GND CT and INT Output Voltage to GND ESD Rating (Human ...
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Preliminary Technical Data PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 SCLK Serial Clock Input. The serial clock is used to clock in and clock out data to and from any register of ...
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ADT7320 TYPICAL PERFORMANCE CHARACTERISTICS 1.00 0.75 0.50 0.25 0 –0.25 –0.50 –0.75 –1.00 –50 –30 – TEMPERATURE (°C) Figure 4. Temperature Accuracy 1.00 0.75 0.50 0.25 0 –0.25 –0.50 –0.75 –1.00 –50 –30 –10 ...
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... INT and CT pins are also programmable for interrupt mode via the configuration register. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. ADT7320 COMPARATOR 1-BIT TEMPERATURE VALUE ...
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... This mode is enabled by writing 1 to Bit 5 and 0 to Bit 6 of the configuration register (Register Address 0x01). One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ±0.25°C Accurate, 16-Bit ADT7320 DATA www.analog.com ©2010 Analog Devices, Inc. All rights reserved. ...
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Preliminary Technical Data CT and INT Operation in One-Shot Mode See Figure 12 for more information on one-shot CT pin operation for T overtemperature events when one of the CRIT limits is exceeded. Note that in interrupt mode, a read ...
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ADT7320 CONTINUOUS READ MODE When the command byte = 01010100 (0x54), the contents of the temperature value register can be read out without requiring repeated writes to the communications register. By sending 16 SCLK clocks to the ADT7320, the contents ...
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Preliminary Technical Data 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 ADT7320 is guaranteed to measure a low value temperature limit of ...
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ADT7320 REGISTERS The ADT7320 contains eight registers: • A status register • A configuration register • Five temperature value registers • register The status register, temperature value register, and the ID register are read-only. Table 6. ADT7320 Registers ...
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Preliminary Technical Data CONFIGURATION REGISTER This 8-bit read/write register (Register Address 0x01) stores various configuration modes for the ADT7320, including shutdown, overtemperature and undertemperature interrupts, one-shot, continuous conversion, interrupt pins polarity, and overtemperature fault queues. Table 8. Configuration Register (Register ...
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ADT7320 TEMPERATURE VALUE REGISTER The temperature value register stores the temperature measured by the internal temperature sensor. The temperature is stored as a 16-bit twos complement format. The temperature is read back from the temperature value register (Register Address 0x02) ...
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Preliminary Technical Data T SETPOINT REGISTER HYST The T setpoint 8-bit register (Register Address 0x05) stores HYST the temperature hysteresis value for the T temperature limits. The temperature hysteresis value is stored in straight binary format using four LSBs. Increments ...
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ADT7320 SERIAL INTERFACE The ADT7320 has a 4-wire serial peripheral interface (SPI). The interface has a data input pin (DIN) for inputting data to the device, a data output pin (DOUT) for reading data back from the device, and a ...
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Preliminary Technical Data WRITING DATA Data is written to the ADT7320 in eight bits or 16 bits, depending on the addressed register. The first byte written to the device is the command byte, with the read/write bit set to 0. ...
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ADT7320 CS SCLK R/W DIN C7 C6 DOUT CS SCLK 8-BIT COMMAND BYTE 0 R/W REGISTER ADDR DIN DOUT READING DATA A read transaction begins when the master ...
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... HIGH in the T setpoint register. LOW Placing the ADT7320 into shutdown mode resets the INT pin in interrupt mode. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. ADT7320 − T limit or HIGH HYST www.analog.com ...
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ADT7320 (COMPARATOR MODE) POLARITY = ACTIVE LOW (INTERRUPT MODE) POLARITY = ACTIVE LOW (COMPARATOR MODE) POLARITY = ACTIVE HIGH (INTERRUPT MODE) POLARITY = ACTIVE HIGH Figure 19. INT Output Temperature Response Diagram for T TEMPERATURE 82°C 81°C 80°C 79°C 78°C ...
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Preliminary Technical Data (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 ...
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ADT7320 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 ...
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... Preliminary Technical Data OUTLINE DIMENSIONS PIN 1 INDICATOR 0.80 0.75 0.70 SEATING PLANE ORDERING GUIDE 1 Model Temperature Range ADT7320UCPZ-R2 −40°C to +150°C ADT7320UCPZ-RL7 −40°C to +150°C EVAL-ADT7X20EBZ RoHS Compliant Part. 4.10 0.35 4.00 SQ 0.30 3.90 0.25 13 0.65 12 BSC EXPOSED PAD 9 8 0.45 TOP VIEW BOTTOM VIEW 0.40 0.35 0.05 MAX 0.02 NOM COPLANARITY ...
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... ADT7320 NOTES ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D09012-0-8/10(PrB) Rev. PrB | Page ...