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BA7242 Datasheet(PDF) 2 Page - Rohm |
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BA7242 Datasheet(HTML) 2 Page - Rohm |
2 / 5 page 2 Multimedia ICs BA7242F •Absolute maximum ratings (Ta = 25°C) Parameter Symbol Limits 7 450∗ – 20 ~ + 70 – 55 ~ + 125 Unit V mW °C °C VCC Pd Topr Tstg Power supply voltage Power dissipation Operating temperature Storage temperature ∗ Reduced by 4.5mW for each increase in Ta of 1°C over 25°C. (When mounted on a 70mm × 70mm × 1.6mm glass epoxy board.) •Recommended operating conditions (Ta = 25°C) Parameter Symbol Limits 4.5 ~ 5.5 0 ~ 0.7 0 ~ 0.7 0 ~ 0.7 0.45 ~ 0.60 Unit V VP–P VP–P VP–P VP–P VCC υRI υGI υBI υSC Power supply voltage RIN input level GIN input level BIN input level SCIN input level •Pin descriptions Pin No. 1 Pin name Function BIN Input for analog B signal. Operate with low impedance. Input for analog G signal. Operate with low impedance. Input for analog R signal. Operate with low impedance. VCC for all except 75 Ω driver. GND for all except 75 Ω driver. 3.58MHz or 4.43MHz pulse signal input. Video signal output mode setting. HIGH level = NTSC, LOW level = PAL. Chrominance signal output. Internal 75 Ω driver. GND for 75 Ω driver. Composite video signal output. Internal 75 Ω driver. Luminance signal output. Internal 75 Ω driver. VCC for 75 Ω driver. 2 GIN 3 RIN 4VCC1 5 SYNC 6 BFP 7 GND1 8 SCIN 9 NT / PAL 10 COUT 11 GND2 12 VOUT 13 YOUT 14 VCC2 Input for composite SYNC signal. Outputs SYNC signal to VOUT and YOUT pins when input is LOW. Input for burst timing signal. Simultaneously performs the burst output and initiates the pedestal clamp for the RIN, GIN, and BIN input signals when input is LOW. |
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