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AD7664 数据表(PDF) 4 Page - Analog Devices |
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AD7664 数据表(HTML) 4 Page - Analog Devices |
4 / 19 page REV. 0 AD7664 –4– 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 AD7664 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. WARNING! ESD SENSITIVE DEVICE ABSOLUTE MAXIMUM RATINGS 1 Analog Inputs IN 2, REF . . . . . . . . . . . . AVDD + 0.3 V to AGND – 0.3 V INGND, REFGND . . . . . . . . . . . . . . . . . . AGND ± 0.3 V Ground Voltage Differences AGND, DGND, OGND . . . . . . . . . . . . . . . . . . . . . ±0.3 V Supply Voltages AVDD, DVDD, OVDD . . . . . . . . . . . . . . . . . . . . . . . . 7 V AVDD to DVDD, AVDD to OVDD . . . . . . . . . . . . . . ±7 V DVDD to OVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V Digital Inputs Except the Data Bus D(7:4) . . . –0.3 V to DVDD + 0.3 V Data Bus Inputs D(7:4) . . . . . . –0.3 V to OVDD + 0.3 V ORDERING GUIDE Model Temperature Range Package Description Package Option AD7664AST –40 °C to +85°C Quad Flatpack (LQFP) ST-48 AD7664ASTRL –40 °C to +85°C Quad Flatpack (LQFP) ST-48 EVAL-AD7664CB1 Evaluation Board EVAL-CONTROL BOARD 2 Controller Board NOTES 1This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BOARD for evaluation/demonstration purposes. 2This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators. Internal Power Dissipation 3 . . . . . . . . . . . . . . . . . . . 700 mW Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150 °C Storage Temperature Range . . . . . . . . . . . . –65 °C to +150°C Lead Temperature Range (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 °C NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2See Analog Input section. 3Specification is for device in free air: 48-Lead LQFP: θ JA = 91 °C/W, θ JC = 30 °C/W. TIMING SPECIFICATIONS (Continued) Symbol Min Typ Max Unit Refer to Figures 18 and 20 (Slave Serial Interface Modes) 2 External SCLK Setup Time t31 5ns External SCLK Active Edge to SDOUT Delay t32 316 ns SDIN Setup Time t33 5ns SDIN Hold Time t34 5ns External SCLK Period t35 25 ns External SCLK HIGH t36 10 ns External SCLK LOW t37 10 ns NOTES 1In warp mode only, the maximum time between conversions is 1 ms, otherwise, there is no required maximum time. 2In serial interface modes, the SYNC, SCLK, and SDOUT timings are defined with a maximum load C L of 10 pF; otherwise, the load is 60 pF maximum. 3If the polarity of SCLK is inverted, the timing references of SCLK are also inverted. Specifications subject to change without notice. |
类似零件编号 - AD7664 |
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类似说明 - AD7664 |
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