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AD7994BRU-1 数据表(PDF) 5 Page - Analog Devices |
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AD7994BRU-1 数据表(HTML) 5 Page - Analog Devices |
5 / 27 page –5– REV. PrF PRELIMINARYTECHNICAL DATA (VDD = +2.7 V to +5.5 V, unless otherwise noted ; REFIN = 2.5 V; fSCL = 3.4 MHz unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted.) P S S P t6 t4 t1 t3 t5 t8 t2 t11 t12 t6 SCL SDA t7 t9 t10 S = START CONDITION P = STOP CONDITION I2C TIMING SPECIFICATIONS1 (VDD = +2.7 V to +5.5 V, unless otherwise noted ; REFIN = 2.5 V; unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted..) AD7994/AD7993 Limit at TMIN, TMAX Parameter Conditions MIN MAX Unit Description fSCL 2 Standard Mode 100 k H z Serial Clock Frequency Fast Mode 400 k H z High-Speed Mode, CB = 100pF max 3.4 M H z High-Speed Mode, CB = 400pF max 1.7 M H z t1 Standard Mode 4 µst HIGH, SCL High Time Fast Mode 0.6 µs High-Speed Mode, CB = 100pF max 60 ns High-Speed Mode, CB = 400pF max 120 ns t2 Standard Mode 4.7 µst LOW, SCL Low Time Fast Mode 1.3 µs High-Speed Mode, CB = 100pF max 160 ns High-Speed Mode, CB = 400pF max 320 ns t3 Standard Mode 250 - ns tSU;DAT, Data Setup Time Fast Mode 100 - ns High-Speed Mode 10 - ns AD7993–SPECIFICATIONS1 NOTES 1Temperature ranges as follows: B Version: –40°C to +85°C. 2See Terminology. 3Sample tested @ +25°C to ensure compliance. 4See POWER VERSUS THROUGHPUT RATE section. Specifications subject to change without notice. Figure 1. Two-Wire Serial Interface Timing Diagram Parameter B Version 1 Units Test Conditions/Comments CONVERSION RATE See Interface Section Conversion Time 2 µs typ Track/Hold Acquisition Time T B D ns max Full-Scale step input T B D ns max Sine wave input <= 30 KHz Throughput Rate 3.4 KSPS max Standard mode 100 kHz 13 KSPS max Fast Mode 400 kHz 79 KSPS max High-Speed Mode 3.4 MHz POWER REQUIREMENTS VDD 2.7/5.5 V min/max IDD Digital Inputs = 0 V or VDD Peak Current T B D mA max Peak Current during conversion Power Down Mode , Interface Inactive 0.2/0.6 µA max VDD = 3 V/5 V. Interface Active 0.05/0.2 mA max VDD = 3 V/5 V 400 kHz SCL. 0.3/0.8 mA max VDD = 3 V/5 V 3.4 MHz SCL. Operating, Interface Inactive 0.06/0.15 mA max VDD = 3 V/5 V 400 kHz SCL. 0.3/0.6 mA max VDD = 3 V/5 V 3.4 MHz SCL. Interface Active 0.15/0.35 mA max VDD = 3 V/5 V 400 kHz SCL. 0.6/1.4 mA max VDD = 3 V/5 V 3.4 MHz SCL. |
类似零件编号 - AD7994BRU-1 |
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类似说明 - AD7994BRU-1 |
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