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AD768ACHIPS Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD768ACHIPS Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 20 page Parameter Min Typ Max Units POWER SUPPLY Positive Voltage Range 4.75 5 5.25 V Negative Voltage Range –5.25 –5 –4.75 V Positive Supply Current 30 40 mA Negative Supply Current 63 73 mA Nominal Power Dissipation 465 600 mW Power Supply Rejection Ratio (PSRR) –0.2 +0.2 % of FSR/V OPERATING RANGE –40 +85 °C NOTES 1Measured at IOUTA, driving a virtual ground. 2Nominal FS output current is 4 × the current at IREFIN. Therefore, nominal FS current is 20 mA when IREFIN = 5 mA. 3Output current is defined as total current available for IREFIN and any external load. 4Reference bandwidth is a function of external cap at NR pin. Refer to compensation section of data sheet for details. 5Excludes internal reference drift. 6Includes internal reference drift. 7Measured as unbuffered voltage output (1 V range) with FS current into 50 Ω load at IOUTB. Specifications subject to change without notice. ABSOLUTE MAXIMUM RATINGS * Parameter with Respect to Min Max Units Positive Supply Voltage (VDD) DCOM, REFCOM, LADCOM –0.5 +6.0 V Negative Supply Voltage (VEE) DCOM, REFCOM, LADCOM –6.0 +0.5 V Analog-to-Other Grounds (REFCOM) DCOM, LADCOM –0.5 +0.5 V Digital-to-Other Grounds (DCOM) LADCOM, REFCOM –0.5 +0.5 V Reference Output (REFOUT) REFCOM VDD + 0.5 V Reference Input Current (IREFIN) +7.5 mA Digital Inputs (DB0–DB15, CLOCK) DCOM –0.5 VDD + 0.5 V Analog Outputs (IOUTA, IOUTB) LADCOM –2.0 +5.0 V Maximum Junction Temperature +150 °C Storage Temperature –65 +150 °C Lead Temperature +300 °C *Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating for extended periods may affect device reliability. AD768 REV. B ORDERING GUIDE Package Model Package Description Option AD768AR 28-Pin 300 mil SOIC R-28 AD768ACHIPS Die AD768-EB AD768 Evaluation Board –3– tH tS tLPW tPD tST 0.025% 0.025% DB0–DB15 CLOCK IOUTA OR IOUTB Timing Diagram WARNING! ESD SENSITIVE DEVICE CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD768 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. |
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