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LM1276 データシート(PDF) 4 Page - Texas Instruments |
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LM1276 データシート(HTML) 4 Page - Texas Instruments |
4 / 56 page OBSOLETE LM1276 SNOSAB9B – MAY 2005 – REVISED APRIL 2013 www.ti.com Absolute Maximum Ratings (1) (2) (3) Supply Voltage VCC, Pins 10, 14, 17, and 22 6.0V Peak Video DC Output Source Current (Any One Amp) Pins 23, 24 or 25 1.5 mA Voltage at Any Input Pin (VIN) –0.5V ≤ VIN ≤ VCC+0.5V Video Inputs (pk-pk) 0.0V ≤ VIN ≤ 1.2V Thermal Resistance to Ambient ( θJA) 51°C/W Power Dissipation (PD)(Above 25°C Derate Based on θJA and TJ) 2.4W Thermal Resistance to Case ( θJC) 32°C/W Junction Temperature (TJ) 150°C ESD Susceptibility(4) 3.0 kV ESD Machine Model(5) 350V Storage Temperature −65°C to +150°C Lead Temperature (Soldering, 10 sec.) 265°C (1) All voltages are measured with respect to GND, unless otherwise specified. (2) Limits of Absolute Maximum Ratings indicate below which damage to the device must not occur. (3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (4) Human body model, 100 pF discharged through a 1.5 k Ω resistor. (5) Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200 pF cap is charged to the specific voltage, then discharged directly into the IC with no external series resistor (resistance of discharge path must be under 50 Ω). Operating Ratings (1) Temperature Range 0°C to +70°C Supply Voltage VCC 4.75V ≤ VCC ≤ 5.25V Video Inputs (pk-pk) 0.0V ≤ VIN ≤ 1.0V (1) Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. Electrical Characteristics - Video Signal (1) Unless otherwise noted: TA = 25°C, VCC = +5.0V, VIN = 0.70 VP-P, VABL = VCC, CL = 8 pF, Video Outputs = 2.0 VP-P. Setting numbers refer to the definitions in Table 1. See (2) for Min and Max parameters and (3) for Typicals. Symbol Parameter Conditions Min Typ Max Units IS Supply Current Test Setting 1, both supplies, no output loading. 220 300 mA See(4). IS-PS Supply Current, Power Save Test Setting 1, both supplies, no output loading. 55 85 mA Mode See(4). VO BLK A-B Typical Video Black Level No AC Input Signal Difference between Normal -50 0 TBD VDC Video and Hi-Brite Video. VO BLK A-B, CH-CH Typical Channel to Channel No AC Input Signal Video Black Level Difference -50 0 50 VDC between Normal Video and Hi-Brite Video. VO BLK Active Video Black Level Output Test Setting 4, no AC input signal, DC offset 1.2 VDC Voltage register (0x8438) set to 0xD5. VO BLK STEP Active Video Black Level Step Test Setting 4, no AC input signal. 100 mVDC Size VO Max Maximum Video Output Voltage Test Setting 3, Video in = 0.70 VP-P 4.0 4.3 V LE Linearity Error Test Setting 4, staircase input signal. See(5) 5 % (1) Adjust input frequency from 10 MHz (AV max reference level) to the −3 dB corner frequency (f−3 dB). (2) Data sheet min/max specification limits are specified by design, test, or statistical analysis. The ensured specifications apply only for the test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions. (3) Typical specifications are specified at +25°C and represent the most likely parametric norm. (4) The supply current specified is the quiescent current for VCC and 5V Dig with RL = ∞. Load resistors are not required and are not used in the test circuit, therefore, all the supply current is used by the pre-amp. (5) Linearity Error is the maximum variation in step height of a 16 step staircase input signal waveform with a 0.7 VP-P level at the input. All 16 steps equal, with each at least 100 ns in duration. 4 Submit Documentation Feedback Copyright © 2005–2013, Texas Instruments Incorporated Product Folder Links: LM1276 |
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