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LM1281N Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM1281N Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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2 / 14 page  Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Pins 6, 9, and 22 15V Peak Video Output Source Current (Any One Amp) Pins 18, 20, and 23 28 mA Voltage at Any Input Pin (V IN)VCC ≥ VIN ≥ GND Power Dissipation (P D) (Above 25˚C Derate based on θ JA and TJ) 2.5W Thermal Resistance ( θ JA) 50˚C/W Junction Temperature (T J) 150˚C ESD Susceptibility (Note 4) 2 kV Storage Temperature −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) 265˚C Operating Rating (Note 2) Temperature Range: −20˚C to +70˚C Supply Voltage (V CC) 11.4V ≤ V CC ≤ 12.6V DC Electrical Characteristics See DC Test Circuit ( Figure 5), T A = 25˚C; VCC1 = VCC2 = 12V; V13 = 4V; V14 = 4V; V16 = 4V; Vdrive = 4V; V4 = 0V; V15 = 0V; V 25 = 1V unless otherwise stated Symbol Parameter Conditions Typical (Note 5) Limit (Note 6) Units I S Supply Current V CC1 +VCC2,RL= ∞ (Note 7) 95 120 mA (max) R IN Video Input Resistance Any One Amplifier 100 k Ω V 15l Clamp Gate Low Input Voltage Clamp Comparators On 1.2 0.8 V (max) V 15h Clamp Gate High Input Voltage Clamp Comparators Off 1.6 2.0 V (min) I 15l Clamp Gate Low Input Current V 15 = 0V −1.5 −5.0 µA (max) I 15h Clamp Gate High Input Current V 15 = 12V 0.01 1.0 µA (max) V 16l Blank Gate Low Input Voltage Blank Gate On 1.2 0.8 V (max) V 16h Blank Gate High Input Voltage Blank Gate Off 1.6 2.0 V (min) I 16l Blank Gate Low Input Current V 16 = 0V −8 −11 µA (max) I 16h Blank Gate High Input Current V 16 = 12V 0.01 1.0 µA (max) V 12 Reference Voltage 2.0 V I vid-clamp Video Input Cap Charge Current Clamp Comparators On ±750 ±450 µA (min) I vid-bias Video Input Cap Bias Discharge Current Clamp Comparators Off ±750 nA I out-clamp Output Clamp Cap Charge Current Clamp Comparators On ±750 ±450 µA (min) I out-bias Output Clamp Cap Bias Discharge Current Clamp Comparators Off 750 nA V OL Video Output Low Voltage V 25 = 0V 50 100 mV (max) V OH Video Output High Voltage V 25 = 10V 7.5 7 V (min) V O(1V) Video Black Level Output Voltage V 25 = 1V 1.2 V (Note 8) ∆V O(1V) Video ∆Black Level Output Voltage Between Any Two Amplifiers, V 25 = 1V ±20 ±250 mV (max) V OL (blanked) Video Output Blanked Voltage Blank Gate On 100 500 mV (max) I 13,14, 26, 27, or 28 Contrast/Drive Control Input Current V contrast = VDrive = 0V to 4V −125 −500 nA (max) I 25 Cut-Off Control Input Current V 25 = 0V to 4V −1.0 1.5 µA (max) V spot Spot Killer Voltage V CC Adjusted to Activate 10.6 11.2 V www.national.com 2 |
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