전자부품 데이터시트 검색엔진 |
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AD246 데이터시트(PDF) 1 Page - Analog Devices |
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AD246 데이터시트(HTML) 1 Page - Analog Devices |
1 / 2 page a Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002 AD246 Clock Driver AD246 SPECIFICATIONS (Typical @ 25 ∞C and VS = 15 V, unless otherwise noted.) Model AD246JY AD246JN OUTPUT * Frequency 25 kHz Nominal 25 kHz Nominal Voltage 15 V p-p Nominal 15 V p-p Nominal Fan Out 32 max 32 max POWER SUPPLY REQUIREMENTS Input Voltage 15 V ± 5% 15 V ± 5% Supply Current Unloaded 35 mA 35 mA Each AD204 2.2 mA 2.2 mA Adds 1 mA Load on AD204 +VISO or –VISO Adds 0.7 mA 0.7 mA *The high current drive will not support a short to ground. Specifications are subject to change without notice. AD246 Pin Designations Pin (Y) Pin (N) Function 112 15 V Power In 21 Clock Output 12 14 Common 13 24 Common GENERAL DESCRIPTION The AD246 is a compact, inexpensive clock driver that can be used to obtain the required clock from a single 15 V supply. The circuit shown in Figure 1 (essentially an AD246) can operate at least 32 AD204s at the rated minimum supply voltage of 14.25 V and one additional isolator can be operated for each 40 mV increase in supply voltage up to 15 V. A supply bypass capacitor is included in the AD246, but if many AD204s are operated from a single AD246, an external bypass connector should be used with a value of at least 1 mF for every five isolators used. Place the capacitor as close as possible to the clock driver. CD 4947B C RC R Q + 1 F 35V TELEDYNE TSC426 CLKOUT CLK AND PWR COM 15V IN914 IN914 7 5 3 6 2 4 10 5 6 4 7 8 9 12 14 180pF 49.9k 1 2 3 Figure 1. Clock Driver OUTLINE DIMENSIONS AD246JY Package Dimensions shown in inches and (millimeters) 8.40 (0.330) MAX 2.50 (0.100) NOM 15.90 (0.625) MAX 2.90 (0.115) SIDE VIEW 0.38 (0.015) 0.25 (0.010) 1 2 13 12 2.50 (0.100) 2.90 (0.115) CL BOTTOM VIEW 1.30 (0.050) NOM 2.50 (0.100) MIN 25.30 (0.995) MAX AD246JY FRONT VIEW 14.00 (0.550) 5.00 (0.197) 0.38 (0.015) 0.25 (0.010) CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN AD246JN Package Dimensions shown in inches and (millimeters) FRONT VIEW AD246JN 36.70 (1.445) MAX 2.50 (0.100) MIN 8.90 (0.350) MAX 0.51 (0.020) 0.25 (0.010) 3.70 (0.145) 0.51 (0.020) 0.38 (0.015) 1 12 14 24 BOTTOM VIEW 27.90 (1.100) 25.40 (1.000) 12.70 (0. 500) 17.80 (0.700) CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN REV. 0 |
유사한 부품 번호 - AD246_15 |
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유사한 설명 - AD246_15 |
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