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LM1204V データシート(PDF) 4 Page - National Semiconductor (TI) |
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LM1204V データシート(HTML) 4 Page - National Semiconductor (TI) |
4 / 20 page AC Electrical Characteristics (Sync SeparatorProcessor Section) The following specifications apply for VCC (Pins 2 4 6 19 31 36 41 and 44) e 12V and TA e 25 C unless otherwise specified S1 e A S2 e B S3 4 5 closed V9 13 15 20 21 43 e 2V unless otherwise specified see Test Circuit Figure 1 and Timing Diagram for input waveform Symbol Parameter Conditions Typical Limit Units (Note 5) (Note 6) V18(Min) Composite Video Input Voltage S2 e A Input e 10% Duty 015 VPP (Pin 18) Cycle Test for Loss of BP (Min) V18(Max) Composite Video Input Voltage Pulse at Pin 26 2 VPP (Pin 18) (Max) V23 g H Sync Input Voltage (Pin 23) Input e 10% Duty Cycle 16 VPP (Min) Back Porch Clamp Pulse Width S2 eA Pin 26 e BP Output 1 14 m s at V24 e 1V (Max) Back Porch Clamp Pulse Width 300 600 ns at V24 e 4V (Max) Maximum gH Sync Input Frequency 600 KHz DHI Max Duty Cycle of Active High Test for Loss of Sync 22 % H Sync (Pin 23) at Pin 26 DLO Max Duty Cycle of Active Low 22 % H Sync (Pin 23) tpdl1 g H Sync Input to bH Sync Input e 10% Duty Cycle 100 ns Output Low Delay tpdh1 g H Sync Input to bH Sync Input e 10% Duty Cycle 65 ns Output High Delay tpd1 g H Sync Input Trailing Edge to Input e 10% Duty Cycle 70 ns Back Porch Clamp Output Delay S2 e A tpdl2 Composite Video Input to bH Input e 10% Duty Cycle 106 ns Sync Output Low Delay tpdh2 Composite Video Input to bH Input e 10% Duty Cycle 68 ns Sync Output High Delay tpd2 Composite Video Input Trailing Input e 10% Duty Cycle 78 ns Edge to Back Porch Clamp Output Delay S2 e A tpdl2–tpdl1 Composite Video and gH Sync Input Input e 10% Duty Cycle 6ns to bH Sync Output Delta Delay Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur Note 2 Operating Ratings indicate conditions for which the device is functional but do not guarantee specific performance limits For guaranteed specifications and test conditions see the Electrical Characteristics The guaranteed specifications apply only for the test conditions listed Some performance characteristics may degrade when the device is not operated under the listed test conditions Note 3 VCC supply pins 2 4 6 19 31 36 41 and 44 must be externally wired together to prevent internal damage during VCC power onoff cycle Note 4 Human body model 100 pF discharged through a 15 kX resistor Note 5 Typical specifications are specified at a25 C and represent the most likely parametric norm Note 6 Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level) Note 7 D AV tracking is a measure of the ability of any two amplifiers to track each other and quantifies the matching of the three attenuators It is the difference in gain change between any two amplifiers with the contrast voltage V21 at either 4V or 2V measured relative to an AV max condition V21 e 4V For example at AV max the three amplifier gains might be 174 dB 169 dB and 164 dB and change to 73 dB 69 dB and 65 dB respectively for V21 e 2V This yields the measured typical g01 dB channel tracking Note 8 Brightness tracking error is measured with all three video channels set for equal gain The measured value is limited by the resolution of the measurement equipment Note 9 When measuring video amplifier bandwidth or pulse rise and fall times a double sided full ground plane printed circuit board is recommended Video amplifier isolation tests also require this printed circuit board The measured rise and fall times are effective rise and fall times taking into account the rise and fall times of the generator Note 10 Measure output levels of either undriven amplifier relative to the driven amplifier to determine channel isolation Terminate the undriven amplifier inputs 4 |
同様の部品番号 - LM1204V |
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同様の説明 - LM1204V |
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