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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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AD723 bảng dữ liệu(PDF) 2 Page - Analog Devices |
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AD723 bảng dữ liệu(HTML) 2 Page - Analog Devices |
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2 / 20 page  REV. 0 –2– AD723–SPECIFICATIONS (V S = 3, TA = 25 C, using 4FSC synchronous clock unless otherwise noted. Signal inputs terminated with 75 . Outputs configured in active termination mode, 75 external load.) Parameter Conditions Min Typ Max Unit SIGNAL INPUTS (RIN, GIN, BIN) Input Amplitude Full-Scale 714 mV p-p Clamp Level 400 mV Input Resistance RIN, GIN, BIN 1 M Ω Input Capacitance 5pF TERMINATION SWITCH CHARACTERISTICS (RT, GT, BT) Input Capacitance VIN = 0 V 6 pF Switch On Resistance VIN = 0 V 5.2 Ω LOGIC INPUTS (STND, SA, CE, TERM, SYNC, 4FSC) Logic LO Input Voltage 1V Logic HI Input Voltage 2 V Logic LO Input Current (DC) 0.015 0.70 µA Logic HI Input Current (DC) 0.020 0.70 µA VIDEO OUTPUTS Luminance (Y) –3 dB Bandwidth, NTSC Mode NTSC 4.7 MHz PAL 6.1 MHz Gain Error Direct Input Termination –6.25 –2.5 +1.5 % Switch Input Termination –0.7 % Gain Nonlinearity 0.3 % Sync Amplitude NTSC 218 262 362 mV PAL 230 277 385 mV DC Black Level NTSC 450 mV PAL 450 mV Chrominance (C) Burst Amplitude NTSC 185 250 315 mV p-p PAL 190 251 320 mV p-p Chroma Level Error 1 Switch Input Termination 4 % Chroma Phase Error 2 ±3 Degree Color Burst Width NTSC 2.51 µs PAL 2.26 µs Chroma/Luma Time Alignment 19 ns Chroma Feedthrough RGB = 0 10.5 40 mV p-p DC Black Level NTSC 661 mV PAL 608 mV Composite (CV) Gain Error Direct Input Termination –6.8 –2.4 +2.5 % Switch Input Termination –0.75 % Gain Error wrt LUMA Direct Input Termination 0.14 % Differential Gain Error wrt CRMA 0.9 % Differential Phase Error wrt CRMA 0.95 Degree DC Black Level NTSC 456 mV PAL 440 mV Luminance Trap (YTRAP) Output Resistance 1.4 k Ω LOGIC OUTPUT (TVDET) LO Output Voltage 0.02 V HI Output Voltage 2.98 V POWER SUPPLIES Operating Voltage Range Single Supply 2.7 5.5 V Current Consumption Quiescent No External Loads Present 16 19 mA Composite Output Connected3 75 Ω Load, Active Termination, 30 39 mA S-Video Inactive S-Video Output Connected 3 75 Ω Load, Active Termination, 41 49 mA Composite Output Inactive Power-Down Current 0.09 0.7 µA NOTES 1Difference between ideal and actual color-bar subcarrier amplitudes. 2Difference between ideal and actual color-bar subcarrier phase. 3Current consumption is larger in standard termination mode. Current values shown for 50% average picture level. Larger current consumption possible for other levels. Specifications subject to change without notice. |
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