Datasheet ADT7320 (Analog Devices) - 7

Data Sheet ADT7320 TYPICAL PERFORMANCE CHARACTERISTICS 1.00 30 0.75 25 0.50 (°C) ) R MAX ACCURACY LIMITS 20 0.25 (µA RRO DD E N I 0 W 15 URE T DO A R –0.25 E MAX ACCURACY LIMITS HUT 10 S 5.5V MP TE –0.50 5.0V 5 4.5V –0.75 3.3V 3.6V 3.0V 2.7V –1.00 0
27 2
–60 –40 –20 0 20 40 60 80 100 120 140
0
–100 –50 0 50 100 150 200
2- 03 2-
TEMPERATURE (°C)
901 0
TEMPERATURE (°C)
01 09 Figure 4. Temperature Accuracy at 3 V Figure 7. Shutdown Current vs. Temperature
1.00 300 0.75 CONTINUOUS CONVERSION 250 MAX ACCURACY LIMITS °C) 0.50 R ( 200 0.25 RRO ) E E 0 (µA 150 UR T I DD A R –0.25 E 100 MP TE –0.50 1SPS MAX ACCURACY LIMITS 50 –0.75 –1.00
6
0
9
–60 –40 –20 0 20 40 60 80 100 120 140
02
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
2- -02
TEMPERATURE (°C)
12 901 0
SUPPLY VOLTAGE (V)
090 Figure 5. Temperature Accuracy at 5 V Figure 8. Average Operating Supply Current vs. Supply Voltage
300 8 5.5V CONTINUOUS CONVERSION 7 250 6 3.0V CONTINUOUS ) 200 CONVERSION (µA 5 ) I DD (µA 150 N 4 W I DD DO 3 100 HUT S 5.5V 1SPS 2 50 3.0V 1SPS 1 0 0
8
–100 –50 0 50 100 150 200 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
-02 210 2 12-
TEMPERATURE (°C)
01
SUPPLY VOLTAGE (V)
90 09 0 Figure 6. Operating Supply Current vs. Temperature Figure 9. Shutdown Current vs. Supply Voltage Rev. 0 | Page 7 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SPI TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER DETAILS CONTINUOUS CONVERSION MODE ONE-SHOT MODE CT and INT Operation in One-Shot Mode 1 SPS MODE SHUTDOWN MODE FAULT QUEUE TEMPERATURE DATA FORMAT TEMPERATURE CONVERSION FORMULAS 16-Bit Temperature Data Format 13-Bit Temperature Data Format 10-Bit Temperature Data Format 9-Bit Temperature Data Format REGISTERS STATUS REGISTER CONFIGURATION REGISTER TEMPERATURE VALUE REGISTER ID REGISTER TCRIT SETPOINT REGISTER THYST SETPOINT REGISTER THIGH SETPOINT REGISTER TLOW SETPOINT REGISTER SERIAL INTERFACE SPI COMMAND BYTE WRITING DATA READING DATA INTERFACING TO DSPs OR MICROCONTROLLERS SERIAL INTERFACE RESET INT AND CT OUTPUTS UNDERTEMPERATURE AND OVERTEMPERATURE DETECTION Comparator Mode Interrupt Mode APPLICATIONS INFORMATION THERMAL RESPONSE TIME SUPPLY DECOUPLING POWERING FROM A SWITCHING REGULATOR TEMPERATURE MEASUREMENT QUICK GUIDE TO MEASURING TEMPERATURE OUTLINE DIMENSIONS ORDERING GUIDE