Datasheet ADT7410 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | ±0.5°C Accurate, 16-Bit Digital I2C Temperature Sensor |
| 页数 / 页 | 24 / 4 — ADT7410. Data Sheet. I2C TIMING SPECIFICATIONS. Table 2. Parameter. Min … |
| 修订版 | C |
| 文件格式/大小 | PDF / 437 Kb |
| 文件语言 | 英语 |
ADT7410. Data Sheet. I2C TIMING SPECIFICATIONS. Table 2. Parameter. Min Typ. Max. Unit. Test Conditions/Comments. Timing Diagram. LOW
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ADT7410 Data Sheet I2C TIMING SPECIFICATIONS
TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V, unless otherwise noted. All input signals are specified with rise time (tR) = fall time (tF) = 5 ns (10% to 90% of VDD) and timed from a voltage level of 1.6 V.
Table 2. Parameter Min Typ Max Unit Test Conditions/Comments
SERIAL INTERFACE1, 2 See Figure 2 SCL Frequency 0 400 kHz SCL High Pulse Width, tHIGH 0.6 µs SCL Low Pulse Width, tLOW 1.3 µs SCL, SDA Rise Time, tR 0.3 µs SCL, SDA Fall Time, tF 0.3 µs Hold Time (Start Condition), tHD;STA 0.6 µs After this period, the first clock is generated Setup Time (Start Condition), tSU;STA 0.6 µs Relevant for repeated start condition Data Setup Time, tSU;DAT 0.25 µs VDD ≥ 3.0 V 0.35 µs VDD < 3.0 V Setup Time (Stop Condition), tSU;STO 0.6 µs Data Hold Time, tHD;DAT (Master) 0 µs Bus-Free Time (Between Stop and Start Condition), tBUF 1.3 µs 1 Sample tested during initial release to ensure compliance. 2 All input signals are specified with input rise/fall times = 3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and outputs. Output load = 10 pF.
Timing Diagram tR t t F LOW tHD:STA SCL tHIGH t t t SU:STA SU:STO HD:STA tHD:DAT tSU:DAT SDA t
002
BUF S P S P
06560- Figure 2. Serial Interface Timing Diagram Rev. C | Page 4 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS I2C TIMING SPECIFICATIONS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS 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 ADDRESS POINTER REGISTER TEMPERATURE VALUE REGISTERS STATUS REGISTER CONFIGURATION REGISTER THIGH SETPOINT REGISTERS TLOW SETPOINT REGISTERS TCRIT SETPOINT REGISTERS THYST SETPOINT REGISTER ID REGISTER SERIAL INTERFACE SERIAL BUS ADDRESS WRITING DATA READING DATA RESET GENERAL CALL INT AND CT OUTPUTS UNDERTEMPERATURE AND OVERTEMPERATURE DETECTION Comparator Mode Interrupt Mode APPLICATIONS INFORMATION THERMAL RESPONSE TIME SUPPLY DECOUPLING TEMPERATURE MONITORING OUTLINE DIMENSIONS ORDERING GUIDE
ADT7410 Data Sheet I2C TIMING SPECIFICATIONS
TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V, unless otherwise noted. All input signals are specified with rise time (tR) = fall time (tF) = 5 ns (10% to 90% of VDD) and timed from a voltage level of 1.6 V.
Table 2. Parameter Min Typ Max Unit Test Conditions/Comments
SERIAL INTERFACE1, 2 See Figure 2 SCL Frequency 0 400 kHz SCL High Pulse Width, tHIGH 0.6 µs SCL Low Pulse Width, tLOW 1.3 µs SCL, SDA Rise Time, tR 0.3 µs SCL, SDA Fall Time, tF 0.3 µs Hold Time (Start Condition), tHD;STA 0.6 µs After this period, the first clock is generated Setup Time (Start Condition), tSU;STA 0.6 µs Relevant for repeated start condition Data Setup Time, tSU;DAT 0.25 µs VDD ≥ 3.0 V 0.35 µs VDD < 3.0 V Setup Time (Stop Condition), tSU;STO 0.6 µs Data Hold Time, tHD;DAT (Master) 0 µs Bus-Free Time (Between Stop and Start Condition), tBUF 1.3 µs 1 Sample tested during initial release to ensure compliance. 2 All input signals are specified with input rise/fall times = 3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and outputs. Output load = 10 pF.
Timing Diagram tR t t F LOW tHD:STA SCL tHIGH t t t SU:STA SU:STO HD:STA tHD:DAT tSU:DAT SDA t
002
BUF S P S P
06560- Figure 2. Serial Interface Timing Diagram Rev. C | Page 4 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS I2C TIMING SPECIFICATIONS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS 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 ADDRESS POINTER REGISTER TEMPERATURE VALUE REGISTERS STATUS REGISTER CONFIGURATION REGISTER THIGH SETPOINT REGISTERS TLOW SETPOINT REGISTERS TCRIT SETPOINT REGISTERS THYST SETPOINT REGISTER ID REGISTER SERIAL INTERFACE SERIAL BUS ADDRESS WRITING DATA READING DATA RESET GENERAL CALL INT AND CT OUTPUTS UNDERTEMPERATURE AND OVERTEMPERATURE DETECTION Comparator Mode Interrupt Mode APPLICATIONS INFORMATION THERMAL RESPONSE TIME SUPPLY DECOUPLING TEMPERATURE MONITORING OUTLINE DIMENSIONS ORDERING GUIDE