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LM1229YA 数据表(PDF) 4 Page - National Semiconductor (TI) |
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LM1229YA 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 27 page Video Signal Electrical Characteristics (Continued) Unless otherwise noted: T A = 25˚C, VCC = +5.0V, VIN = 0.70 VP-P,VABL =VCC,CL = 10 pF, Video Outputs = 2.4 VP-P. See (Note 7) for Min and Max parameters and (Note 6) for Typicals. Symbol Parameter Conditions Min Typ Max Units A V MIN GAIN/ A V MAX GAIN Maximum gain attenuation. Maximum contrast, V ABL = 5.0V. –12 dB A V MATCH Maximum gain match between channels. Maximum contrast, V ABL = 5.0V. ±0.6 dB A V TRACK Gain tracking channel to channel. AC input signal. See (Note 11). ±0.6 dB V ABL HIGH ABL control range upper limit. (Note 12), AC input signal. 4.5 V V ABL LOW ABL control range lower limit. (Note 12), AC input signal. 2.5 V A V 2.5/AV MAX ABL Gain Reduction at V ABL = 2.5V. (Note 12), AC input signal. −5.8 dB I ABL ACTIVE ABL input bias current during ABL. (Note 12), AC input signal. V ABL = 2.5V 10 µA I ABL MAX ABL input current sink capability. (Note 12), AC input signal. 1.0 mA A V ABL TRACK ABL channel to channel gain tracking error. Input signal = 0.7 V P-P, ABL voltage set to 4.5V and 3.0V. 0 7.5 % R IP Minimum input resistance (pins 45, 46, 47) 20 M Ω OSD Electrical Characteristics Unless otherwise noted: T A = 25˚C, VCC = +5.0V. See (Note 7) for Min and Max parameters and (Note 6) for Typicals. Symbol Parameter Conditions Min Typ Max Units DIGITAL MODE V LOW Maximum low input voltage, (OSD and Enable). Enable: video inputs selected OSD: OSD black displayed 1.0 V V HIGH Minimum high input voltage, (OSD and Enable). Enable: OSD inputs selected OSD: OSD colors displayed 3.0 V V OSD-11 OSD output amplitude. OSD Enable = 1, OSD Contrast = 11. 2.65 V V OSD-10 OSD output amplitude. OSD Enable = 1, OSD Contrast = 10. 2.35 V V OSD-01 OSD output amplitude. OSD Enable = 1, OSD Contrast = 01. 2.15 V V OSD-00 OSD output amplitude. OSD Enable = 1, OSD Contrast = 00. 1.75 V V OSD-AUX OSD output amplitude (AUX). OSD Enable = 1, OSD[5] = 1 3.0 V ∆V OSD BLACK Difference between OSD and video black levels. Same channel, contrast and gain = 0x60 −85 100 mV ∆V OSD WHITE Output Match between channels. OSD Contrast = 11, maximum difference between R, G and B 3% V OSD TRACK Output Variation between channels. OSD contrast varied from max to min 3% HT MAX OSD background video maximum level. OSD[3] = 1, OSD TRANS = 0x7F. See (Note 18). 100 % HT MIN OSD background video minimum level. OSD[3] = 1, OSD TRANS = 0x00. See (Note 18). 10 % ANALOG MODE A V ANALOG OSD Analog gain from pins 41, 42, 43 to the video outputs, with input level 0.7 V PP. OSD Enable = 1, Gains at maximum. 3.75 V/V www.national.com 4 |
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类似说明 - LM1229YA |
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