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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AMC7812SPAPR датащи(PDF) 6 Page - Texas Instruments |
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AMC7812SPAPR датащи(HTML) 6 Page - Texas Instruments |
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6 / 92 page  AMC7812 SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) At TA = –40°C to +105°C, AVDD = DVDD = 4.5V to 5.5V, AVCC = +15V, AGND = DGND = 0V, IOVDD = 2.7V to 5.5V, internal 2.5V reference, and the DAC output span = 0V to 5V, unless otherwise noted. AMC7812 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIGITAL LOGIC: All Except SCL, SDA, ALARM, and GPIO IOVDD = +5V 2.1 0.3 + IOVDD V VIH Input high voltage IOVDD = +3.3V 2.1 0.3 + IOVDD V IOVDD = +5V –0.3 0.8 V VIL Input low voltage IOVDD = +3.3V –0.3 0.8 V Input current ±1 µA Input capacitance 5 pF IOVDD = +5V, sourcing 3mA 4.8 V VOH Output high voltage IOVDD = +3.3V, sourcing 3mA 2.9 V IOVDD = +5V, sinking 3mA 0.4 V VOL Output low voltage IOVDD = +3.3V, sinking 3mA 0.4 V High-impedance leakage ±5 µA High-impedance output capacitance 10 pF DIGITAL LOGIC: SDA, SCL (I2C-Compatible Interface) IOVDD = +5V 2.1 0.3 + IOVDD V VIH Input high voltage IOVDD = +3.3V 2.1 0.3 + IOVDD V IOVDD = +5V –0.3 0.8 V VIL Input low voltage IOVDD = +3.3V –0.3 0.8 V Input current ±5 µA Input capacitance 5 pF IOVDD = +5V, sinking 3mA 0 0.4 V VOL Output low voltage IOVDD = +3.3V, sinking 3mA 0 0.4 V High-impedance leakage ±5 µA High-impedance output capacitance 10 pF TIMING REQUIREMENTS From AVDD , DVDD ≥ 2.7V and AVCC ≥ 4.5V to Power-on delay 100 250 µs normal operation Power-down recovery time from CS rising edge 70 µs Reset delay Delay to normal operation from any reset 100 250 µs Convert pulse width 20 ns Reset pulse width 20 ns POWER-SUPPLY REQUIREMENTS AVDD AVDD must be ≥ (VREF + 1.2V) +2.7 +5.5 V AVDD and DVDD combined, 7.9 12.5 mA normal operation, no DAC load AIDD AVDD and DVDD combined, 1.6 mA all blocks in power down AVCC +4.5 +18 V IVCC AVCC, no load, DACs at code 800h 6.5 mA Normal operation(10), AVDD = DVDD = 5V, AVCC Power dissipation 95 120 mW = 15V DVDD +2.7 +5.5 V IOVDD +2.7 +5.5 V TEMPERATURE RANGE Specified performance –40 +105 °C (10) No DAC load, all DACs at 800h and both ADCs at the fastest auto conversion rate 6 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: AMC7812 |
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