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AD7914 데이터시트(PDF) 9 Page - Analog Devices |
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AD7914 데이터시트(HTML) 9 Page - Analog Devices |
9 / 24 page AD7904/AD7914/AD7924 –9– REV. 0 ABSOLUTE MAXIMUM RATINGS 1 (TA = 25 °C unless otherwise noted.) AVDD to AGND ............................................... –0.3 V to +7 V VDRIVE to AGND ................................ –0.3 V to AVDD + 0.3 V Analog Input Voltage to AGND ......... –0.3 V to AVDD + 0.3 V Digital Input Voltage to AGND ........................ –0.3 V to +7 V Digital Output Voltage to AGND ........... –0.3 V to AVDD + 0.3 V REFIN to AGND ................................ –0.3 V to AVDD + 0.3 V Input Current to Any Pin Except Supplies 2 ................. ±10 mA Operating Temperature Range Commercial (B Version) ............................. –40 °C to +85°C Storage Temperature Range ...................... –65 °C to +150°C Junction Temperature ................................................... 150 °C TO OUTPUT PIN CL 50pF 200 A IOH 200 A IOL 1.6V Figure 1. Load Circuit for Digital Output Timing Specifications ORDERING GUIDE Temperature Linearity Package Package Model Range Error (LSB) 1 Option Description AD7904BRU –40 °C to +85°C ±0.2 RU-16 TSSOP AD7914BRU –40 °C to +85°C ±0.5 RU-16 TSSOP AD7924BRU –40 °C to +85°C ±1 RU-16 TSSOP EVAL-AD79x4CB 2 Evaluation Board EVAL-CONTROL BRD2 3 Controller Board NOTES 1Linearity error here refers to integral linearity error. 2This can be used as a stand alone evaluation board or in conjunction with the Evaluation Controller Board for evaluation/demonstration purposes. The board comes with one chip of each the AD7904, AD7914, and AD7924. 3This board is a complete unit allowing a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators. To order a complete evaluation kit you will need to order the particular ADC evaluation board, e.g., EVAL-AD79x4CB, the EVAL-CONTROL BRD2, and a 12 V ac transformer. See relevant Evaluation Board Technical Note for more information. TSSOP Package, Power Dissipation ........................... 450 mW θJA Thermal Impedance ......................... 150.4°C/W (TSSOP) θJC Thermal Impedance........................... 27.6°C/W (TSSOP) Lead Temperature, Soldering Vapor Phase (60 secs) ................................................ 215 °C Infrared (15 secs) ....................................................... 220 °C ESD ................................................................................. 2 kV NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2Transient currents of up to 100 mA will not cause SCR latch up. 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 AD7904/AD7914/AD7924 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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