Datasheet ADT7311 (Analog Devices) - 7

Data Sheet ADT7311 TYPICAL PERFORMANCE CHARACTERISTICS 1.0 300 5.5V CONTINUOUS 0.8 CONVERSION 250 0.6 MAX ACCURACY LIMITS 3.0V CONTINUOUS °C) 0.4 CONVERSION R ( 200 RRO 0.2 ) E A 0 (µ 150 URE T I DD A –0.2 100 MPER –0.4 E 5.5V 1SPS T –0.6 MAX ACCURACY LIMITS 50 –0.8 3.0V 1SPS –1.0 0 –60 –40 –20 0 20 40 60 80 100 120 140 160
6 00
–100 –50 0 50 100 150 200
007 0- 50-
TEMPERATURE (°C)
905
TEMPERATURE (°C)
90 0 0 Figure 4. Temperature Accuracy at 3 V Figure 6. Operating Supply Current vs. Temperature
1.0 8 0.8 7 MAX ACCURACY LIMITS 0.6 6 (°C) 0.4 R 5.5V 5 RO 0.2 R ) 5.0V E A 0 (µ 4 4.5V URE T I DD A –0.2 3 PER –0.4 3.6V EM 2 T –0.6 MAX ACCURACY LIMITS 1 3.0V –0.8 2.7V –1.0 0 –60 –40 –20 0 20 40 60 80 100 120 140 160
4
–100 –50 0 50 100 150 200
02 025 0- 0-
TEMPERATURE (°C)
905
TEMPERATURE (°C)
0 0905 Figure 5. Temperature Accuracy at 5 V Figure 7. Shutdown Current vs. Temperature 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 TEMPERATURE MEASUREMENT ONE-SHOT MODE 1 SPS MODE CT and INT Operation in One-Shot Mode SHUTDOWN 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 PERIPHERAL 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 MONITORING QUICK GUIDE TO MEASURING TEMPERATURE OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS