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AD7665 数据表(PDF) 5 Page - Analog Devices |
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AD7665 数据表(HTML) 5 Page - Analog Devices |
5 / 24 page REV. 0 AD7665 –5– 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 AD7665 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 IOH 500 A 1.6mA IOL TO OUTPUT PIN 1.4V CL 60pF1 NOTE: 1IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM. Figure 1. Load Circuit for Digital Interface Timing, SDOUT, SYNC, SCLK Outputs, CL = 10 pF t DELAY t DELAY 0.8V 0.8V 0.8V 2V 2V 2V Figure 2. Voltage Reference Levels for Timing PIN CONFIGURATION 48-Lead LQFP (ST-48) 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 48 47 46 45 44 39 38 37 43 42 41 40 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) AGND CNVST PD RESET CS RD DGND AGND AVDD NC BYTESWAP OB/ 2C WARP IMPULSE NC = NO CONNECT SER/ PAR D0 D1 D2/DIVSCLK[0] BUSY D15 D14 D13 AD7665 D3/DIVSCLK[1] D12 ORDERING GUIDE Model Temperature Range Package Description Package Option AD7665AST –40 °C to +85°C Quad Flatpack (LQFP) ST-48 AD7665ASTRL –40 °C to +85°C Quad Flatpack (LQFP) ST-48 EVAL-AD7665CB 1 Evaluation Board EVAL-CONTROL BRD2 2 Controller Board NOTES 1This board can be used as a stand-alone evaluation board or in conjunction with the EVAL-CONTROL BRD2 for evaluation/demonstration purposes. 2This board allows a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators. ABSOLUTE MAXIMUM RATINGS 1 Analog Inputs IND 2, INC2, INB2 . . . . . . . . . . . . . . . . . . . –11 V to +30 V INA, REF, INGND, REFGND . . . . . . . . . . . . . . . . . . . . AGND – 0.3 V to AVDD + 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 . . . . . . . . . . . . . . . –0.3 V to DVDD + 0.3 V Internal Power Dissipation3 . . . . . . . . . . . . . . . . . . . 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. |
类似零件编号 - AD7665 |
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类似说明 - AD7665 |
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