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ADS7863IRGET Datasheet(PDF) 5 Page - Texas Instruments |
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ADS7863IRGET Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 40 page  www.ti.com ADS7863 SBAS383B – JUNE 2007 – REVISED MARCH 2008 ELECTRICAL CHARACTERISTICS (continued) At TA = –40°C to +125°C, entire power-supply range, VREF = 2.5V (internal), fCLK = 32MHz, and tDATA = 2MSPS, unless otherwise noted. ADS7863 PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT INTERNAL VOLTAGE REFERENCE, continued PSRR Power-supply rejection ratio 73 dB IREFOUT Reference output dc current –2 +2 mA IREFSC Reference output short-circuit current(3) 50 mA tREFON Reference output settling time 0.5 ms VOLTAGE REFERENCE INPUT VREF Reference input voltage range 0.5 2.525 V IREF Reference input current 50 µA CREF Reference input capacitance 10 pF DIGITAL INPUTS(4) Logic family CMOS with Schmitt-Trigger 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(4) Logic family CMOS VOH High-level output voltage BVDD = 4.5V, IOH = –100µA BVDD – 0.2 V VOL Low-level output voltage BVDD = 4.5V, IOH = 100µA 0.2 V IOZ High-impedance-state output current –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 2.7 3.0 5.5 V AVDD = 2.7V 4.5 6 AVDD = 5.0V 6.5 8 AVDD = 2.7V, NAP power-down 1.1 1.5 AIDD Analog supply current mA AVDD = 5.0V, NAP power-down 1.4 2.0 AVDD = 2.7V, deep power-down 0.001 AVDD = 5.0V, deep power-down 0.001 BVDD = 2.7V, CLOAD = 10pF 0.5 1.3 BIDD Buffer I/O supply current mA BVDD = 3.3V, CLOAD = 10pF 0.9 1.6 AVDD = 2.7V, BVDD = 2.7V 13.5 19.7 PDISS Power dissipation mW AVDD = 5.0V, BVDD = 3.3V 35.5 45.3 (3) Reference output current is not limited internally. (4) Ensured by design, not production tested. Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): ADS7863 |
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