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ADS7863I Arkusz danych(PDF) 5 Page - Burr-Brown (TI) |
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ADS7863I Arkusz danych(HTML) 5 Page - Burr-Brown (TI) |
5 / 30 page www.ti.com ADS7863 SBAS383 – JUNE 2007 ELECTRICAL CHARACTERISTICS (continued) At TA = –40°C to +125°C, and AVDD = 5V, BVDD = 3.3V, VREF = 2.5V (internal), fCLK = 24MHz, and fSAMPLE = 1.5MSPS, unless otherwise noted. ADS7863 PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT INTERNAL VOLTAGE REFERENCE, continued PSRR Power-supply rejection ratio dB IREFOUT Reference output dc current 1 mA IREFSC Reference output short-circuit current mA tREFON Reference output settling time 100 μs VOLTAGE REFERENCE INPUT VREF Reference input voltage range 0.5 2.5 2.525 V IREF Reference input current 50 μA CREF Reference input capacitance 10 pF DIGITAL INPUTS Logic family CMOS VIH High-level input voltage 0.7 × BV DD BVDD + 0.3 V VIL Low-level input voltage –0.3 0.3 × BV DD V IIN Input current VIN = BVDD to BGND –50 +50 nA CIN Input capacitance 5 pF DIGITAL OUTPUTS Logic family CMOS VOH High-level output voltage IOH = –100μA BVDD – 0.2 V VOL Low-level output voltage IOH = 100μA 0.2 V IOZ High-impedance-state output current VIN = BVDD to BGND –50 +50 nA COUT Output capacitance 5 pF CLOAD Load capacitance 30 pF POWER SUPPLY AVDD Analog supply voltage AVDD to AGND 2.7 5.0 5.5 V BVDD Buffer I/O supply voltage BVDD to BGND 1.65 3.3 5.5 V AVDD = 3V 6 7 AVDD = 5.5V 7 8 AVDD = 3V, NAP power-down AIDD Analog supply current μA AVDD = 5.5V, NAP power-down AVDD = 3V, deep power-down AVDD = 5.5V, deep power-down BIDD Buffer I/O supply current μA AVDD = 3V 18.9 PDISS Power dissipation μW AVDD = 5.5V 40 5 Submit Documentation Feedback |
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