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LM1276 データシート(PDF) 6 Page - National Semiconductor (TI) |
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LM1276 データシート(HTML) 6 Page - National Semiconductor (TI) |
6 / 50 page OSD Electrical Characteristics (Continued) 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 ∆V OSD-black (Track) Difference between OSD Black Level and Video Black Level between any 2 channels Register 0x8438=0x18, Input Video = Black, Same Channel, Test Setting 8 ±115 mV ∆V OSD (White) Output Match between Channels Palette Set at 111, OSD Contrast = 11, Maximum difference between R, G and B 3% V OSD-out (Track) Output Variation between Channels OSD contrast varied from max to min 3% DAC Output Electrical Characteristics Unless otherwise noted: T A = 25˚C, VCC = +5.0V, VIN = 0.7V, VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. See (Note 7) for Min and Max parameters and (Note 6) for Typicals. DAC parameters apply to all 4 DACs. Symbol Parameter Conditions Min Typ Max Units V Min DAC Min Output Voltage of DAC Register Value = 0x00 0.5 0.7 V V Max DAC Mode 00 Max Output Voltage of DAC Register Value = 0xFF, DCF[1:0] = 00b 3.7 4.2 V V Max DAC Mode 01 Max Output Voltage of DAC in DCF Mode 01 Register Value = 0xFF, DCF[1:0] = 01b 1.85 2.35 V ∆V Max DAC (Temp) DAC Output Voltage Variation with Temperature 0 < T < 70˚C ambient ±0.5 mV/˚C ∆V Max DAC (VCC) DAC Output Voltage Variation with V CC V CC varied from 4.75V to 5.25V, DAC register set to mid-range (0x7F) 50 mV Linearity Linearity of DAC over its Range 5 % Monotonicity Monotonicity of the DAC Excluding Dead Zones ±0.5 LSB I MAX Max Load Current −1.0 1.0 mA System Interface Signal Characteristics Unless otherwise noted: T A = 25˚C, VCC = +5.0V, VIN = 0.7V, VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. See (Note 7) for Min and Max parameters and (Note 6) for Typicals. DAC parameters apply to all 4 DACs. Symbol Parameter Conditions Min Typ Max Units V VTH+ VFLYBACK Positive Switching Guarantee Vertical Blanking triggered 2.0 V V SPOT Spot Killer Voltage (Note 17), V CC Adjusted to Activate 3.4 3.9 4.3 V V Ref V Ref Output Voltage (pin 2) 1.25 1.45 1.65 V V IL (SCL, SDA) Logic Low Input Voltage −0.5 1.5 V V IH (SCL, SDA) Logic High Input Voltage 3.0 V CC + 0.5 V I L (SCL, SDA) Logic Low Input Current SDA or SCL, Input Voltage = 0.4V ±10 µA I H (SCL, SDA) Logic High Input Voltage SDA or SCL, Input Voltage = 4.5V ±10 µA V OL (SCL, SDA) Logic Low Output Voltage I O = 3 mA 0.5 V f H Min Minimum Horizontal Frequency PLL & OSD Functioning 25 kHz f H Max Maximum Horizontal Frequency PLL & OSD Functioning 110 kHz I HFB IN Max Horizontal Flyback Input Current Absolute Maximum during Flyback 5mA I IN Peak Current during Flyback Design Value 4 mA I HFB OUT Max Horizontal Flyback Input Current Absolute Maximum during Scan −700 µA I OUT Peak Current during Scan Not exact - Duty Cycle Dependent −550 µA I IN THRESHOLD I IN H-Blank Detection Threshold 0 µA www.national.com 6 |
同様の部品番号 - LM1276 |
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同様の説明 - LM1276 |
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