Moteur de recherche de fiches techniques de composants électroniques |
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LM1229 Fiches technique(PDF) 7 Page - Texas Instruments |
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LM1229 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 28 page OBSOLETE LM1229 www.ti.com SNOSAH0D – MARCH 2005 – REVISED APRIL 2013 Deflection Signal Characteristics (continued) Unless otherwise noted: TA = 25°C, VCC = +5.0V, VIN = 0.7V, VABL = VCC, CL = 10 pF (1)(2) Symbol Parameter Conditions Min Typ Max Units fVFR Vertical free run frequency 30 Hz VMAXRAMPOUT Maximum ramp amplitude VSIZE[7:0] = 0xFF 1.7 2.2 V VVMINRAMPOUT Minimum ramp amplitude VSIZE[7:0] = 0x00 1.4 1.9 V VRAMPDCOUT Vertical ramp DC reference voltage 2.5 V ΔVRAMP/ΔVEHT1 Ramp amplitude reduction with VEHT1 VEHT[3:0] varied from 0x0 to 0xF 0 −4.4 %/V RIN-VEHT1 Pin 8 input resistance 1 M Ω ΔVEW/ΔVEHT2 Change in EW output level with VEHT2 VEHT[7:4] varied from 0x0 to 0xF 0 348 mV/V RIN-VEHT2 Pin 9 input resistance 50 k Ω kS S correction range 0 10 % kC C correction range −11 11 % VDF Dynamic Focus Amplitude DYN_FOCUS[6:0] = 0x7F 1.1 V VEW Maximum E-W amplitude peak-peak PIN[6:0] = 0x7F 1.2 V IEW E-W output current −3 3 mA VEWDCMIN EW output DC at middle of parabola HSIZE[6:0] = 0x00 1.4 V VEWDCMAX EW output DC at middle of parabola HSIZE[6:0] = 0x7F 2.5 V VEWTRAP Beginning and end of parabola shift oppositely and equally. PIN[6:0] = Trapezoid correction parabola tilt ±0.375 V 0x00, T_CORNER[6:0], B_CORNER[6:0] = 0x3F VEWCORNER Top & bottom adjusted independently. Corner correction shift at end points ±0.375 V PIN [6:0] = 0x00, TRAP[6:0] = 0x3F VEWPIN TRAP[6:0], T_CORNER[6:0], Pin correction amplitude 0 1.8 V B_CORNER[6:0] = 0x3F Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM1229 |
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