(China (Mainland))
Product Summary
The LM1246AAC pre-amp is an integrated CMOS CRT preamp. It has an I2C compatible interface which allows control of all the parameters necessary to directly setup and adjust the gain and contrast in the CRT display.
Parametrics
LM1246AAC absolute maximum ratings: (1)Supply Voltage VCC, Pins 10 and 18: 6.0V; (2)Peak Video DC Output Source Current: 1.5 mA; (3)Voltage at Any Input Pin (VIN): VCC +0.5 ≥ VIN ≥ .0.5V; (4)Video Inputs (pk-pk): 0.0 ≤ VIN ≤ 1.2V; (5)Thermal Resistance to Ambient (θJA): 51℃/W; (6)Power Dissipation (PD) (Above 25℃ Derate Based on θJA and TJ): 2.4W.
Features
LM1246AAC features: (1)Fully addressable 512 Character OSD, simiilar in features to the LM1237/LM1247, with selectable 2 byte character addressing or LM1247 bank select modes; (2)Internal 512 character OSD ROM usable as either (a) 384 2-color plus 128 4-color characters, (b) 640 2-color characters, or (c) some combination in between; (3)Internal 512 character RAM, which can be displayed as one single or two independent windows; (4)Enhanced I2C compatible microcontroller interface to allow versatile Page RAM access.
Diagrams
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 LM1246AAC/NA/NOPB |
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